What does NiMH stand for?
The battery chemistry is Nickel Metal Hydride (NiMH). It's ideal for many power hungry mobile applications and has great recharge characteristics.
What is the meaning of battery memory?
Batteries made from older technologies and different battery materials have been prone to develop a memory effect. This manifests itself such that a battery must be fully drained of its charge before it can be successfully fully recharged, otherwise the latent capacity of the battery is reduced. The latest NiMH batteries are not subject to this memory development and can therefore be recharged successfully at any stage of its charging level.
What is an ideal use of an NiMH Battery?
High energy usage such as in devices like portable games sets, digital cameras, music players etc. Rechargeable NiMH batteries are an ideal replacement for alkaline batteries that require regular replacement.
Is there a limit on the number of times a can a NiMH battery can be recharged?
To some extent. Lower rechargeable AA NiMH batteries can be recharged up to 1000 times is trickle recharge mode. Higher capacity batteries can typically only be recharged up to 500 times. These recharge frequencies will likely increase as the technology continues to develop.
Are NiMH batteries unsuitable for some applications?
If the device doesn't require usage within a 30 day period or for low energy requirements such as smoke alarms.
Don'ts for NiMH Batteries:
- Don't combine NiMH with batteries from different manufacturers.
- Don't combine NiMH batteries of different capacities.
- Don't combine batteries of different chemistries, i.e. NiCd, NiMH, Lithium. Etc
- Don't DROP a NiMH battery if you can help it. This can easily damage the battery internally.
- Don't store your NiMH batteries in a cold space such as the refrigerator.Don't expose your NiMH batteries to high temperatures
What is the capacity loss of NiMH batteries?
NiMH batteries do lose capacity over time but this loss is not significant. Approximately 10-15% of the battery mAh capacity will be lost whilst at the 400 to 800 recharge level. Battery and Charger quality vary this as does the maintenance, treatment and storage of the NiMH batteries.
Do I need to fully recharge NiMH Batteries before use?
Yes. It may even take 2-3 recharge cycles for them to attain top performance.
Does the quality of the NiMH charger make a difference?
Yes. There are a number available on the market and they can have a direct influence on charge rates and battery life.
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