Table of contents
- 15 motorcycle battery chargers tested Charge the motorcycle battery
- 1st place: CTEK CT5 Powersport
- 2nd place: Gys Gysflash 6.12
- 3rd place: Bosch C3 6V / 12V
- 4th place: Pro Charger 4000
- 5th place: Kooroom TKB7 6V / 12V
- 6th place: Dino 12V 5A
- 7th place: Optimate 4
- 8th place: APA microprocessor 6V / 12V 5A
- 9th place: AEG LD 5.0 6V / 12V
- 10th place: hi-Q TOOLS charger 900
- 11th place: Black & Decker 6V / 12V
- 12th place: SHIDO DC3
- 13th place: EUFAB EAL 6V / 12V
- 14th place: Einhell CC-BC 6M 6V / 12V
- 15th place: Excelvan 6V / 12V 5A
- 20 individual assessments in six large chapters
- So was tested
- Test results & Conclusion
- Battery terms explained
- Top 10: sins of caring for batteries
fact
17th pictures
fact
1/17
In a comparison test, 15 different battery chargers competed against each other. Which product won the test??
mps studio
2/17
15th place: Excelvan 6V / 12V 5A with 310 out of a possible 500 points. MOTORRAD verdict: satisfactory.
mps studio
3/17
14th place: Einhell CC-BC 6M 6V / 12V with 329 out of a possible 500 points. MOTORRAD verdict: satisfactory.
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4/17
13th place: EUFAB EAL 6V / 12V with 350 out of a possible 500 points. MOTORRAD verdict: satisfactory.
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5/17
12th place: SHIDO DC3 with 373 out of a possible 500 points. MOTORRAD verdict: satisfactory.
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6/17
11th place: Black & Decker 6V / 12V with 378 out of a possible 500 points. MOTORRAD verdict: satisfactory.
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7/17
10th place: hi-Q TOOLS charger 900 with 380 out of a possible 500 points. MOTORRAD verdict: good.
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8/17
9th place: AEG LD 5.0 6V / 12V with 384 out of a possible 500 points. MOTORRAD verdict: good.
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9/17
8th place: Pro Charger 4000 with 387 out of a possible 500 points. MOTORRAD verdict: good.
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10/17
7th place: APA microprocessor 6V / 12V 5A with 392 out of a possible 500 points. MOTORRAD verdict: good.
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11/17
6th place: Optimate 4 with 393 out of a possible 500 points. MOTORRAD verdict: good.
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12/17
5th place: Dino 12V 5A with 408 out of a possible 500 points. MOTORRAD verdict: good.
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13/17
4th place: Kooroom TKB7 6V / 12V with 409 out of a possible 500 points. MOTORRAD verdict: good.
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14/17
3rd place: Bosch C3 6V / 12V with 432 of a possible 500 points. MOTORRAD verdict: good.
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15/17
2nd place: Gys Gysflash 6.12 with 433 out of a possible 500 points. MOTORRAD verdict: good.
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16/17
1st place: CTEK CT5 Powersport with 453 out of a possible 500 points. MOTORRAD verdict: very good.
GTu
17/17
The test candidates were able to achieve a maximum of 500 points in the test laboratory.
accesories
Battery chargers motorcycle test
15 motorcycle battery chargers tested
Charge the motorcycle battery
Modern motorcycle starter batteries need modern charging technology: 15 battery chargers in a comparison test.
Roman Kirschbauer
01/22/2019
After a wonderful summer, an autumn that was much too dry and a November that was too warm, many motorcyclists have finally put their bikes into a well-deserved hibernation. True to the motto: The first salt is sure to come. That’s right. The pending break can have fatal consequences for the motorcycle battery. You know that. By spring at the latest, you will be rudely reminded of what you have forgotten again: namely to take care of the energy dispenser in the dark months while the two-wheeler has to survive the freezing cold in the garage.
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Graphic: MOTORCYCLE
The distribution of points in the overview.
So that the first trip in spring doesn’t just turn into a mere dress rehearsal – “but last year the jacket wasn’t so tight on the stomach” – and finally, annoyed, you go to the nearest dealer with the sheet metal body to buy a fresh battery, you should take action now. So get off the sofa, get to the power cells! Anyone who maintains the voltage over the winter with a modern charger not only ensures a trouble-free start when it is about to start, but also lowers the costs of spare parts. Because well-maintained batteries simply last longer than often deeply discharged and stressed fellow sufferers. Together with the GTu (Society for Technical Monitoring), MOTORRAD has tested a total of 15 battery chargers that are particularly suitable for motorcycle batteries.
1st place: CTEK CT5 Powersport
Providers: CTEK
Price: 89.99 euros
Size: 16.8 x 3.8 x 6.5 cm
Weight: 499 g
mps studio
CTEK CT5 Powersport.
Application area: Recommended for 12-volt starter batteries (lead-acid, WET, low-maintenance, AGM, gel, Ca / Ca, maintenance-free and low-maintenance) from 5 to 25 Ah
Particularities: Charging current up to 2.3 A, housing protection IP65, application range –20 to +50 degrees, CAN bus compatible, selectable reconditioning function for deeply discharged batteries
offers
Ctek CT5 Powersport battery charger
Delivery time: 1-3 days
€ 79.99
plus € 4.99 shipping
To the shop
Abnormalities: The insulation of the pole terminals is robust and cannot be removed, deeply discharged batteries with a residual voltage of 3 V can be charged without any problems, high-quality workmanship
MOTORRAD verdict: very good
2nd place: Gys Gysflash 6.12
Providers: Gystech
Price: 85.79 euros
Size: 19.0 x 10.0 x 5.2 cm
Weight: 770 g
mps studio
Gys Gysflash 6.12.
Application area: Recommended for 12-volt starter batteries (lead-acid, WET, gel, maintenance-free, AGM, Ca / Ca) from 1.2 to 125 Ah
offers
GYS GYSFLASH 6.12 029378 automatic charger 12V 6A
Delivery time: In stock, delivery time 1-2 working days
€ 69.50
plus € 5.95 shipping
To the shop
GYS GYSFLASH 6.12 029378 automatic charger 12V 6A
Delivery time: In stock, delivery time 1-2 working days
€ 70.46
plus € 4.99 shipping
To the shop
Particularities: Charging current max. 6 A, housing protection IP65, no application area specified (cold test passed), maintenance charging possible for batteries up to 170 Ah, CAN bus compatible
Abnormalities: The insulation of the pole terminals is robust and cannot be removed, deeply discharged batteries with a residual voltage of 3 V can be charged without any problems, high-quality workmanship
MOTORRAD verdict: Good
3rd place: Bosch C3 6V / 12V
Providers: Bosch
Price: 48.97 euros
Size: 18.5 x 8.1 x 5.5 cm
Weight: 700 g
mps studio
Bosch C3 6V / 12V.
Application area: Recommended for 6-volt and 12-volt starter batteries (lead-acid, gel, maintenance-free, AGM, open, VRLA) from 1.2 to 14 Ah or 1.2 to 120 Ah
offers
Bosch C3 0189999030 automatic charger 6 V, 12V 0.8A 3.8A
Delivery time: In stock, delivery time 1-2 working days
€ 48.45
plus € 5.95 shipping
To the shop
Bosch C3 0189999030 automatic charger 6 V, 12V 0.8A 3.8A
Delivery time: In stock, delivery time 1-2 working days
€ 48.45
plus € 4.99 shipping
To the shop
Particularities: Charging current max. 0.8 A / 3.8 A (6/12 volts), housing protection IP65, application range 0 to +40 degrees (cold test passed), light-emitting diodes, separate hook for attachment
Abnormalities: Charging current max. 0.8 A / 3.8 A (6/12 volts), housing protection IP65, application range 0 to +40 degrees (cold test passed), light-emitting diodes, separate hook for attachment
MOTORRAD verdict: Good
4th place: Pro Charger 4000
Providers: Louis
Price: 99.99 euros
Size: 21.2 x 7.8 x 5.7 cm
Weight: 690 g
mps studio
Pro Charger 4000.
Application area: Recommended for all 12 volt starter batteries (lead-acid, gel, AGM, Ca / CA, pure lead and lithium ions) from 1.2 to 60 Ah
Particularities: Charging current max. 4 A, housing protection IP65, application range -15 to +45 degrees, light-emitting diodes, CAN bus compatible, replaceable 10 A fuse in the charging cable
Abnormalities: The insulation of the pole terminals cannot be removed, deeply discharged batteries with a residual voltage of 3 V can be charged without any problems, overall high-quality workmanship
MOTORRAD verdict: Good
5th place: Kooroom TKB7 6V / 12V
Providers: polo
Price: 64.90 euros
Size: 18.3 x 6.9 x 4.65 cm
Weight: 575 g
mps studio
Kooroom TKB7 6V / 12V.
Application area: Recommended for 6-volt and 12-volt starter batteries (lead-acid, WET, AGM, maintenance-free, gel) from 1.2 to 120 Ah
Particularities: Charging current max. 0.8 A / 3.8 A (6/12 volts) Housing protection IP65, LC display, no information on the area of application (cold test passed)
Abnormalities: The insulation of the pole terminals is very robust and cannot be removed; deeply discharged batteries with a residual voltage of 3 V can be charged using the 6 V mode
MOTORRAD verdict: Good
6th place: Dino 12V 5A
Providers: r.d.i. Automotive
Price: 38.61 euros
Size: 21.0 x 7.5 x 5.0 cm
Weight: 521 g
mps studio
Dino 12V 5A.
Application area: Recommended for 12 volt starter batteries (lead-acid, AGM, gel, Ca / Ca, maintenance-free) from 10 to 120 Ah
Particularities: Charging current max. 5 A, housing protection IP65, application range –10 to +40 degrees, light-emitting diodes, selectable reconditioning function for deeply discharged batteries
offers
DINO KRAFTPAKET 136300 automatic charger 12V 5A
Delivery time: Available from 08/25/2021, delivery time (as soon as available): 1-2 working days
€ 38.13
plus € 5.95 shipping
To the shop
DINO KRAFTPAKET 136300 automatic charger 12V 5A
Delivery time: Available from 08/25/2021, delivery time (once available): 1-2 working days
€ 38.13
plus € 4.99 shipping
To the shop
Abnormalities: Insufficient insulation of the pole terminals or can be removed much too easily, deeply discharged batteries can only be charged from a voltage of 6 V.
MOTORRAD verdict: Good
7th place: Optimate 4
Providers: Tecmate
Price: 69.99 euros
Size: 20.0 x 7.5 x 6.1 cm
Weight: 900 g
mps studio
Optimate 4.
Application area: Recommended for 12-volt starter batteries (lead-acid, low-maintenance, gel, AGM and spiral cells) from 2 to 50 Ah
offers
OptiMATE 4 Dual Can-Bus battery charger
Delivery time: 1-3 days
€ 54.90
plus € 4.99 shipping
To the shop
Optimate TM220-4A TM220-4A automatic charger 12V 4A
Delivery time: In stock, delivery time 1-2 working days
€ 57.64
plus € 5.95 shipping
To the shop
Optimate TM220-4A TM220-4A automatic charger 12V 4A
Delivery time: In stock, delivery time 1-2 working days
€ 58.60
plus € 4.99 shipping
To the shop
OptiMate 4 Dual SAE battery charger
Delivery time: immediate
€ 69.95
plus € 3.99 shipping
To the shop
Particularities: Charging current 0.8 A, housing protection IP54, application range from -40 to +40 degrees, light-emitting diodes, CAN bus compatible, integrated fastening straps
Abnormalities: The insulation of the pole terminals is robust and cannot be removed; deeply discharged batteries with a residual voltage of 3 V can be charged without any problems
MOTORRAD verdict: Good
8th place: APA microprocessor 6V / 12V 5A
Providers: EAL Germany, www.eal-vertrieb.com/marken/apa/
Price: 69.99 euros
Size: 18.0 x 10.0 x 4.5 cm
Weight: 465 g
mps studio
APA microprocessor 6V / 12V 5A.
Application area: Recommended for 6-volt and 12-volt starter batteries (lithium-ion phosphate, lead-acid, WET, maintenance-free, gel, AGM) up to 14 or 150 Ah
Particularities: Charging current 2.5 A / 5 A (6/12 volts), housing protection IP65, application range –5 to +40 degrees, LC display, device for winding the cable
offers
APA battery charger (4000 mA, 6V / 12V)
Delivery time: available – in 1-2 working days with you
€ 32.99
plus € 2.95 shipping
To the shop
APA battery charger, 4000 mA, 6V / 12V red Chargers Batteries, Rechargeable batteries Electricity Game consoles Battery charger
Delivery time: 2-3 working days
€ 32.99
plus € 5.95 shipping
To the shop
APA 16633 automatic charger 6 V, 12V 2.5A 2.5 A, 5A
Delivery time: In stock, delivery time 1-2 working days
€ 43.95
plus € 5.95 shipping
To the shop
APA 16633 automatic charger 6 V, 12V 2.5A 2.5 A, 5A
Delivery time: In stock, delivery time 1-2 working days
€ 43.95
plus € 4.99 shipping
To the shop
Battery charger ALCT 6-24 / 10
Delivery time: immediately available, 24 hours
€ 54.86
including shipping
To the shop
Ansmann ALCT 6-24 / 10 car charger (charger)
Delivery time: Delivery time 3-5 working days
€ 65.90
plus € 5.95 shipping
To the shop
EAL | Microprocessor battery charger 6/12 V – 4 amps
Delivery time: 1-2 working days
€ 66.82
plus € 5.80 shipping
To the shop
Fully automatic microprocessor battery chargerâ €? and battery maintenance device 2 ampere 8â €? stages for 6V (6â €? 12Ah) and 12V (12â €? 46 Ah) batteries
Delivery time: Delivery time approx. 5-7 working days
€ 68.53
including shipping
To the shop
Ansmann ALCT6-24 / 10 – 6/12/24 V – 10 A – 230 V – short circuit – black – 270 mm (1001-0014)
Delivery time: 1-3 days
€ 68.99
plus € 5.90 shipping
To the shop
Ansmann ALCT6-24 / 10 car battery charger
Delivery time: 3-4 working days
€ 74.78
plus € 3.99 shipping
To the shop
Abnormalities: The insulation of the pole terminals can loosen or be pulled off too easily, deeply discharged batteries with a residual voltage of 3 V can be charged via 6 V mode, poor result in the cold test
MOTORRAD verdict: Good
9th place: AEG LD 5.0 6V / 12V
Providers: AEG
Price: 64.99 euros
Size: 13.5 x 6.5 x 4.0 cm
Weight: 650 g
mps studio
AEG LD 5.0 6V / 12V.
Application area: Recommended for 6-volt and 12-volt starter batteries (lead-acid, WET, maintenance-free, gel, AGM) up to 50 or 110 Ah
Particularities: Charging current max. 2 A / 5 A (6/12 volts), housing protection IP65, application range –20 to +40 degrees, hanging loop on the back, LED display, good operating instructions
Abnormalities: The insulation of the pole terminals can loosen or be pulled off too easily, deeply discharged batteries with a residual voltage of 3 V can be charged via 6 V mode, after a drop test without function
MOTORRAD verdict: Good
10th place: hi-Q TOOLS charger 900
Providers: polo
Price: 29.99 euros
Size: 15.0 x 10.0 x 5.3 cm
Weight: 370 g
mps studio
hi-Q TOOLS charger 900.
Application area: Recommended for 12 volt starter batteries (lead-acid, WET, AGM, maintenance-free, gel) from 1.2 to 30 Ah
Particularities: Charging current max. 0.9 A, LC display, housing protection IP22, application range +1 to +35 degrees (cold test passed), including wall bracket and fastening material
Abnormalities: The insulation of the pole terminals can be removed far too easily and is very poorly processed, deeply discharged batteries can only be charged from a voltage of 4.5 V.
MOTORRAD verdict: Good
11th place: Black & Decker 6V / 12V
Providers: Black & Decker
Price: 28.99 euros
Size: 14.0 x 4.5 x 7.0 cm
Weight: 400 g
mps studio
Black & Decker 6V / 12V.
Application area: Recommended for 6-volt and 12-volt starter batteries (lead-acid, gel, AGM) up to 1.2 or 100 Ah
Particularities: Charging current max. 1.2 A / 1.2 A (6/12 volts), housing protection IP44, no application area specified (cold test passed), light-emitting diodes, no separate AGM mode
Abnormalities: The insulation of the pole terminals is robust and cannot be removed, deeply discharged batteries with a residual voltage of 3 V can be charged via 6 V mode, poor operating instructions
MOTORRAD verdict: Good
12th place: SHIDO DC3
Providers: DC Afam NV
Price: 119.99 euros
Size: 19.4 x 8.9 x 8.3 cm
Weight: 780 g
mps studio
SHIDO DC3.
Application area: For all 12 volt starter batteries (lead-acid, gel, AGM, lithium-ion) from 1 to 110 Ah
Particularities: Charging current max. 3 A, housing protection IP64, application range -20 to +50 degrees, CAN bus compatible, display with ticker, light emitting diodes, hook fastening
Abnormalities: The insulation of the pole terminals is very robust and cannot be pulled off, deeply discharged batteries with a residual voltage of 3 V can be charged without any problems, after a drop test without function
MOTORRAD verdict: satisfying
13th place: EUFAB EAL 6V / 12V
Providers: EAL Germany
Price: 24.99 euros
Size: 18.0 x 8.0 x 4.5 cm
Weight: 465 g
mps studio
EUFAB EAL 6V / 12V.
Application area: Recommended for 6-volt and 12-volt starter batteries (lead-acid, AGM, gel, WET, maintenance-free) from 1.2 to 14 Ah or 14 to 120 Ah
Particularities: Charging current max. 2 A / 4 A (6/12 volts), housing protection IP65, application range –5 to +40 degrees, LC display, good operating instructions, device for winding the cable
Abnormalities: Insufficient insulation of the pole terminals or can be removed much too easily, deeply discharged batteries with a residual voltage of 3 V can be charged via 6 V mode, sparking possible
MOTORRAD verdict: satisfying
14th place: Einhell CC-BC 6M 6V / 12V
Providers: Einhell
Price: 34.93 euros
Size: 18.5 x 6.3 x 12.3 cm
Weight: 700 g
mps studio
Einhell CC-BC 6M 6V / 12V.
Application area: Recommended for 6-volt and 12-volt starter batteries (lead-acid, AGM, gel, maintenance-free and low-maintenance) from 3 to 150 Ah
Particularities: Charging current max. 2 A / 6 A (6/12 volts), no information about housing protection and area of application (cold test passed), LC display, integrated wall bracket
Abnormalities: Insufficient insulation of the pole terminals or can be removed much too easily, deeply discharged batteries with a residual voltage of 3 V can be charged via 6 V mode, sparking possible
MOTORRAD verdict: satisfying
15th place: Excelvan 6V / 12V 5A
Providers: Excelvan
Price: 23.99 euros
Size: 18.7 x 4.5 x 7.5 cm
Weight: 570 g
mps studio
Excelvan 6V / 12V 5A.
Application area: Recommended for 6-volt and 12-volt starter batteries (lead-acid, AGM, gel, maintenance-free, Ca / Ca) from 10 to 120 Ah
Particularities: Charging current max.5A (12 volts), housing protection IP20, application range 0 to +40 degrees, light-emitting diodes, mounting holes, no separate AGM mode
Abnormalities: Insufficient insulation of the pole terminals or can be removed much too easily, deeply discharged batteries with a residual voltage of 3 V can be charged via 6 V mode, sparking possible
MOTORRAD verdict: satisfying
20 individual assessments in six large chapters
One of the main features of battery chargers that are particularly suitable for motorcycle batteries is the ability to adapt their performance to batteries with fewer ampere hours (Ah) than is usual for cars, in order to make charging the batteries as gentle as possible. The test candidates have to go through around 20 individual assessments in six large chapters. The GTu engineers subject the battery chargers to extensive electrical and qualitative tests. In addition, there is a visual inspection, the evaluation of the operation and the functional scope as well as a price-performance assessment. Together, this results in a comprehensive performance comparison.
GTu
The 15 candidates had to put themselves through tough tests in the test laboratory.
The most important single criterion concerns the quality of the charging and charging maintenance process of the devices. Among other things, it is a matter of carefully charging the batteries to the end-of-charge voltage, initiating a recharging phase and then switching to a maintenance mode, which always keeps the battery at optimum performance. In this context, technicians speak of the IUoU charging process. In this category, only the devices from the manufacturers CTEK and Dino get the maximum number of points. Only the battery chargers from CTEK, Gys, Bosch and Dino rated as very good and good also master the adaptation of the charging characteristic to common battery types such as wet, gel and AGM batteries to perfection and are also suitable with their optionally increased charging voltage of 14 , 7 volts to fully charge AGM batteries.
CTEK and Dino go one step further with the special regeneration function, with which batteries that have already been damaged can possibly be given a second life. The battery is briefly accelerated by increasing the voltage to a maximum of 15.8 volts for a limited time. In this way, a possible acid stratification can be broken up and the capacity of the battery can be increased again. The adaptation of the charging power to different battery sizes and thus also the absolute suitability for motorcycle batteries are proven by all tested chargers. Almost all test devices are able to supply deeply discharged batteries with new juice even on batteries that are deeply discharged up to three volts. Only with hi-Q, Polo’s own brand, and the Dino charger, are these limits somewhat higher at 4.5 and six volts.
As a final test, the GTu engineers subject all candidates to a potentially destructive drop test from a meter height onto a rock-hard concrete floor. Full points are only awarded if there is no damage and the device still works without restrictions. After all, eight devices withstood this endurance test without any restrictions. Only two battery chargers, namely AEG and Shido, were no longer usable afterwards. But who would voluntarily throw electronic devices on hard concrete? Well, the testers from MOTORRAD and GTu did it in the service of quality assurance. And such a mishap can happen in your own workshop.
So was tested
Three partners, one test: MOTORRAD and the expert organization GTu (Society for Technical Surveillance) ensured that the electronics professionals from the FAKT automotive testing and engineering center in Heimertingen, Bavaria, took great care of the chargers purchased on the open market. The test criteria, divided into five main groups (visual inspection, operation, functional scope, electrical tests, quality test) were supplemented by a price-performance chapter in which the points achieved in the performance criteria were set in relation to the purchase price, which in turn more or less affected the test candidates Brought additional points. The purchase prices mentioned are not the recommended retail prices, but rather the purchase prices actually paid, which experience has shown – especially in the case of Internet offers – can deviate significantly from the recommended retail prices. This time, the 100-point rating, which is otherwise usual for MOTORRAD product tests, was deviated from in order to meet the criteria of the particularly numerous sub-chapters. So theoretically 500 maximum points were feasible.
Test results & Conclusion
The good news first: All chargers live up to their name and do what they are primarily supposed to do, namely charge the battery. But you don’t have to be satisfied with that. The chargers in the front seats are intelligent helpers that give tired batteries a fresh cell treatment.
Graphic: MOTORCYCLE
The test results at a glance.
Test winner with the grade “very good” has become the CTEK CT5 Powersport, which convincingly deserves the award. With over 450 counters, it receives more than 90 percent of the 500 possible rating points. Five other highly recommended chargers break at least the 400 point mark. In the order of their ranking, these are the Gysflash 6.12, the Bosch C3, the Pro Charger 4000, the Kooroom TKB7 and the Dino 12V 5A.
There are also six other chargers in the midfield. Above all, you lose in the range of functions, which can reassure consumers. Why? Well, all tested chargers, even those that received a satisfactory overall rating in the end, recharge the test battery with a capacity of four ampere hours within five hours. The devices in the last three places have to leave valuable points, among other things, because sparks can be generated when connecting and disconnecting the device while the device is switched on, or the battery can shortly discharge again if the charger is disconnected from the mains but still connected to the Battery remains connected. Incidentally, a mistake that can be avoided in the same way as the empty battery in spring.
Battery terms explained
AGM
AGM stands for “Absorbent Glass Mat” and denotes batteries in which the electrolyte is bound in glass fiber mats (fleece). This makes the battery leak-proof and enables different installation positions. AGM batteries are well suited to deliver high currents.
capacity
Describes the amount of electricity available in a battery, measured in ampere-hours (Ah). A high Ah value is not an indicator of the quality of a starter battery. The starting current behavior is much more important.
Gel battery
The electrolyte is bound by the addition of silica, thickened and then remains gel-like. Gel batteries are also leak-proof and can be installed in any position. Compared to open standard rechargeable batteries and AGM batteries, however, they have a higher internal resistance and are not quite as suitable for delivering high currents, which is of no consequence in the motorcycle sector.
Cold test current
Is a discharge current in amperes (A), which is measured at minus 18 degrees for a period of ten seconds. The test procedure is regulated in various standards (DIN, EN) and allows statements to be made about the performance of a starter battery. Fit batteries provide 100 to 120 A..
Lithium-ion battery
Generic term for accumulators based on lithium. The inside of lithium-ion batteries is completely free of water. Together with its high energy density, it makes it very compact and light. Lithium iron phosphate batteries, which are very safe in operation, are predominantly used in the vehicle sector. Lithium-ion batteries react quite sensitively to deep discharge and overcharging and should ideally not be completely full but rather partially discharged during the winter.
Recombination
Process during charging within closed batteries in which the oxygen produced remains in the system and is converted back into water within a cycle together with hydrogen. This ensures that fluid loss is minimized and actually makes the battery power “maintenance free”.
VRLA
English abbreviation of “Valve Regulated Lead Acid Battery”, refers to a completely closed lead battery with a pressure relief valve. AGM and gel batteries are accordingly VRLA batteries.
Top 10: sins of caring for batteries
- Check: Even empty batteries can show twelve to 13 volts when measuring the open-circuit voltage. Relevant statements about the state of charge are only possible when testing under load.
- Expansion: Always disconnect the negative pole first, otherwise there may be a nice fireworks display in the event of an unwanted ground contact. Important with conventional lead-acid batteries: Note the installation position of the ventilation hose.
- Charger: Old (car) simplest chargers are poison for modern batteries, as they switch off too late or not at all and the time of gassing can no longer be recognized with maintenance-free batteries.
- Storage: Batteries are always fully charged and also like to store in a cool place. Self-discharge is greatest in warm rooms. Empty batteries sulphate during storage and are seriously endangered in frost.
- Padding I: With conventional lead-acid batteries (those with the removable stoppers), only use distilled water for refilling. Never use battery acid or tap water, they will permanently ruin the battery.
- Padding II: Only fill up to the maximum after loading, as the liquid expands during loading. If the liquid level is already below the minimum before charging, only fill up to just above the minimum mark and then charge.
- Battery fluid: Diluted sulfuric acid only causes damage to skin, clothing and motorcycle with a time delay – but then it does it properly. Therefore, immediately wash off spilled battery fluid with plenty of water (or neutralizer).
- Unloading: A battery doesn’t have to be regular “by hand” discharged and charged to keep it fit. In the past, this was often done (e.g. with a lightbulb), but with modern batteries it creates unnecessary mechanical stress. Loading alone is enough. Exception: high-tech chargers often have a function that includes: works with a low discharge – that makes perfect sense.
- Installation: Always connect the negative pole last. Otherwise: see 2. If necessary, do not forget the ventilation hose and damping material. Tighten the screws well, but not brutally.
- Pole bold: That belongs to the already connected poles and terminals. Anyone who smears the pole grease in between before connecting ensures insulation that is completely out of place there.
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Photo: mps-Studio 12th pictures mps studio 1/12 12th place: LZR MH2, from 139 euros, 52/100 points, MOTORRAD judgment “sufficient” mps studio 2/12 9th…
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11 robust motorcycle boots for asphalt and gravel in the test
Dentges 24 pictures mps studio 1/24 2nd place: Alpinestars Belize Oiled, from 259.95 euros, 82/100 points, MOTORRAD judgment “Good”. mps studio 2/24 7th…
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Test: Online shops for motorcycle clothing and motorcycle accessories
Bilski clothing Test: Online shops for motorcycle clothing and motorcycle accessories Service: Sender test Online shops in a large comparison test Why…