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Motorcycle Starter Batteries

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7 from 12
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Noco NLP20 Group 20 Powersports Battery
Noco NLP20 Group 20 Powersports Battery
  • Brand: NOCO
  • Voltage: 12
  • Capacity AH (C20): 7
  • CCA: 600
  • Start-Stop: Yes
  • Technology: Lithium
£179.95

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Varta Powersports AGM YT4L-4 Motorcycle Battery YT4L-BS 503014003 12V 3Ah 40A
Varta Powersports AGM YT4L-4 Motorcycle Battery...
  • Brand: Varta
  • Voltage: 12
  • Capacity AH (C20): 3
  • CCA: 40
  • Size (L x W x H): 114 x 71 x 86
  • Brand line: Powersports AGM
  • Technology: AGM
£17.50

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Varta Powersports AGM YTR4A-BS Motorcycle battery GTR4A-BS 503903004 12V 2,3Ah 30A
Varta Powersports AGM YTR4A-BS Motorcycle...
  • Brand: Varta
  • Voltage: 12
  • Capacity AH (C20): 2.3
  • CCA: 40
  • Size (L x W x H): 114 x 49 x 86
  • Brand line: Powersports AGM
  • Technology: AGM
£23.76

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Varta Powersports AGM YTX5L-4 Motorcycle Battery YTX5L-BS 504012003 12V 4Ah 80A
Varta Powersports AGM YTX5L-4 Motorcycle...
  • Brand: Varta
  • Voltage: 12
  • Capacity AH (C20): 4
  • CCA: 80
  • Size (L x W x H): 114 x 71 x 106
  • Brand line: Powersports AGM
  • Technology: AGM
£20.85

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Varta Powersports AGM YTX7L-4 Motorcycle Battery YTX7L-BS 506014005 12V 6Ah 100A
Varta Powersports AGM YTX7L-4 Motorcycle...
  • Brand: Varta
  • Voltage: 12
  • Capacity AH (C20): 6
  • CCA: 100
  • Size (L x W x H): 114 x 71 x 131
  • Brand line: Powersports AGM
  • Technology: AGM
£24.06

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Varta Powersports AGM YTX7A-4 Motorcycle Battery YTX7A-BS 506015005 12V 6Ah 105A
Varta Powersports AGM YTX7A-4 Motorcycle...
  • Brand: Varta
  • Voltage: 12
  • Capacity AH (C20): 6
  • CCA: 105
  • Size (L x W x H): 151 x 88 x 94
  • Brand line: Powersports AGM
  • Technology: AGM
£24.81

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Varta Powersports AGM TTZ7S-4 Motorcycle Battery YTZ7S-BS 507902011 12V 5Ah 120A
Varta Powersports AGM TTZ7S-4 Motorcycle...
  • Brand: Varta
  • Voltage: 12
  • Capacity AH (C20): 5
  • CCA: 120
  • Size (L x W x H): 113 x 70 x 105
  • Brand line: Powersports AGM
  • Technology: AGM
£29.40

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Varta Powersports AGM YTX9-4 Motorcycle Battery YTX9-BS 508012008 12V 8Ah 135A
Varta Powersports AGM YTX9-4 Motorcycle Battery...
  • Brand: Varta
  • Voltage: 12
  • Capacity AH (C20): 8
  • CCA: 135
  • Size (L x W x H): 152 x 88 x 106
  • Technology: AGM
£31.61

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Varta Powersports AGM (rechargeable battery) TTZ12S YTZ12S-BS 509 901 020 12V 9Ah 200A
Varta Powersports AGM (rechargeable battery)...
  • Brand: Varta
  • Voltage: 12
  • Capacity AH (C20): 9
  • CCA: 200
  • Size (L x W x H): 150 x 87 x 110
  • Brand line: Powersports AGM
  • Technology: AGM
£43.14

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Varta Powersports AGM YT14B-4 Motorcycle Battery YT14B-BS 512903013 12V 13Ah 190A
Varta Powersports AGM YT14B-4 Motorcycle...
  • Brand: Varta
  • Voltage: 12
  • Capacity AH (C20): 13
  • CCA: 190
  • Size (L x W x H): 152 x 70 x 150
  • Brand line: Powersports AGM
  • Technology: AGM
£45.50

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Odyssey ODS-AGM15L (PC545) 12V 13Ah 150A AGM Motorcycle Battery - ER20
Odyssey ODS-AGM15L (PC545) 12V 13Ah 150A AGM...
  • Brand: Odyssey
  • Voltage: 12
  • Capacity AH (C20): 13
  • CCA: 150
  • Size (L x W x H): 178 x 86 x 131
  • Start-Stop: Yes
  • Technology: AGM
£117.20

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Q-Batteries YTX12-BS AGM Motorcycle Battery Main Image
Q-Batteries Motorcycle battery YTX12-BS AGM...
  • Brand: Q-Batteries
  • Voltage: 12
  • Capacity AH (C20): 10
  • CCA: 180
  • Size (L x W x H): 150 x 87 x 130
  • Technology: AGM
£24.99

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7 from 12

What is the significance of information such as V and Ah on motorcycle batteries?

Maintenance-free motorcycle batteries

Maintenance-free motorcycle batteries (MF) have a sealed design that eliminates the need for fluid topping up and the vent hose. They are easy to care for and minimized gas development minimizes water consumption and reduces self-discharge. The batteries can be installed in any position using fiberglass or fleece mats. They are linked to modern charging technology and are sensitive to chargers for non-maintenance-free lead-acid batteries.

For this reason, older motorcycles should not be equipped with modern gel battery technology. Equipping older models with it is not advisable because the charging curve of the alternator regulator is not flat enough and the gel battery repeatedly receives a violent boost in charging current. On such machines, a sealed and well-maintained MF battery is a better choice.

Lithium Ion Batteries

Lithium-ion batteries are characterized by the fact that they are significantly lighter than other batteries . In the motorcycle sector, acid-free lithium iron phosphate batteries with low risk of fire have prevailed. In addition, they can be charged comparatively quickly and also allow very high charging currents. In addition to the advantage of low self-discharge, they have a long service life. However, such batteries are often not compatible with modern permanent chargers. It is better to connect them to simple chargers with an automatic switch-off, or to use a special charger. Even temperatures below ten degrees are not ideal for such batteries.

Lead-acid batteries

Conventional lead-acid batteries are characterized by a comparatively low price. They are associated with more complex care. This mainly refers to checking and topping up the water at least once a month. Older batteries should be checked weekly and the watering interval determined based on usage behavior.

Gel batteries

Gel batteries are completely sealed. You can even install them "overhead" in any position. However, it is characterized by very little wear on the electrodes and a longer service life compared to lead-acid batteries. Don't forget: Gel batteries require special electronic chargers. Modern machines with electronic charging current controllers can also be fitted with a gel battery instead of an MF battery.

AGM and pure lead batteries

Comparable to gel batteries, almost maintenance-free AGM/pure lead batteries are primarily characterized by high starting currents. In AGM motorcycle batteries, the acid is bound in a glass fleece. These batteries can be installed in any position, are vibration-resistant and can be charged quickly and with a higher voltage. The higher purchase price is offset by a longer service life.

Which battery do I need for my motorcycle?

Here you can read the difference:

Wet battery: In these batteries the acid mixture (electrolyte) is liquid. These batteries must be filled before installation. This has the advantage that batteries do not age until they are filled. The motorcycle batteries are dry pre-charged at the factory. Instructions for filling batteries are included in the package.

AGM (Absorbent Glass Mat): With AGM batteries, the electrolyte is completely bound in a glass fibre fleece after filling, so these batteries are leak-proof and maintenance-free even if damaged. This technology can be installed upright or lying down up to 45°.
The motorcycle batteries are dry pre-charged when shipped from the factory. Instructions for filling batteries are included in the package.

Pure lead battery: A lead-tin alloy is used in these batteries, which gives these batteries a higher Cranking Amps. The construction is similar to an AGM battery, therefore these batteries are also leak-proof and maintenance-free. These batteries are filled and pre-charged at the factory.

Gel: The liquid electrolyte is bound in a gel by adding silicic acid. Gel batteries can be installed upright and lying up to 45°. These batteries are filled and pre-charged at the factory and are completely maintenance-free. Due to a higher internal resistance, these batteries deliver lower starting power than comparable acid or AGM batteries.

Which battery do I need for my motorcycle?

Basically, you can use the type of battery that was previously installed as a guide. You can also look that up in the manual. It also depends on how the battery is to be installed in the future. If the battery has to be installed at an angle due to the design, a gel or lithium-ion battery is recommended. This way the battery acid cannot damage the motorcycle.
 
If you also use the motorcycle in the colder seasons, an AGM battery makes sense because it has low internal resistance and a high starting current available. Lithium-ion batteries are also a good choice when high performance is required in the smallest of spaces and weight is to be saved. When retrofitting with such batteries, however, you have to make sure that the alternator regulator has the correct voltage and that you use a suitable charger.

How to charge your motorcycle battery

For the correct charging of a motorcycle battery, you should observe the following work steps:
 
  1. The ignition must be switched off for removal.
  2. Open the battery compartment and first unscrew the negative pole, then the positive pole of the battery.
  3. Take off the security strap and take out the battery.
  4. Now the removed battery is thoroughly cleaned with warm water. You can use a stiff brush for this.
  5. The battery is then dried well and the pole connections are polished with a brass brush or fine emery paper.
  6. Now the battery is connected to the charger. First connect the positive pole, then the negative pole. If you are charging a lead-acid battery, you must open all of the battery's sealing plugs while charging.
  7. Now switch on the charger and charge the battery according to the charging currents and charging times specified on the battery. When charging a new battery, take the package insert into account.
  8. Pay attention to slow charging with about 1/10 of the amperage of the battery or the smallest charging voltage that can be set. You should only use a quick charge in an emergency.
  9. The battery can then be disconnected again: the negative pole first, then the positive pole.
When choosing a charger, you should rely on models that have been specially developed for motorcycle batteries and on which small charging currents can be set. Electronic battery chargers are also advantageous, as they first "communicate" with the battery for a certain period of time, adapting themselves to its charging and general condition and automatically setting the charging current and charging time.

What must be considered during installation?

  • Check whether there is a rubber pad for the battery in the battery box. If this is missing, you can cut such a pad out of acid-resistant rubber. This also counteracts vibration damage when driving.
  • Check that the cable connections are clean and free of corrosion. If not, scrape them off with fine sandpaper.
  • Write the charging date on the battery and insert it into the battery box.
  • For the purpose of good electrical contact and prevention of corrosion, lubricate the screws with a little copper paste.
  • Now the plus cable is connected first, then the minus cable. Make sure that you lay the cables precisely and do not kink them too much and avoid chafing.
  • Put the protective caps on the connections and close the lid of the battery box.
You need a ventilation hose to install a non-maintenance-free lead battery instead of a maintenance-free battery. It must be routed downwards without kinks and its end must be exposed in such a way that escaping vapors do not cause acid damage to the vehicle parts.
 

This is how you overwinter your motorcycle battery

Store the removed and fully charged battery in a cool place at around ten degrees Celsius. If you charge the battery while it is installed in winter, the ignition must be switched off to prevent damage to the engine control units. If the motorcycle is in a room with temperatures above ten degrees, you do not need to remove the battery, but you should disconnect so-called "silent consumers". It is also advisable to top up the water level with conventional batteries after charging with distilled water. And before you use the machine again, you should fully charge the battery at least once with a charger.By the way, you should never start your motorcycle in neutral in winter. This damages both the battery and the motorcycle itself.
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