Follow these simple tips to get the most out of your rechargeable batteries, with proper care you can get around 5 – 7 years of usage with NiMH rechargeable batteries or over 500 charge cycles, these rules are universally applicable to most of the rechargeable batteries.
* A rechargeable battery is only as good as its charger, avoid using rapid fast chargers like (15 – 20 min chargers) as they overheat the batteries a lot, which in turn drastically reduces there life, I have seen rapid chargers reduce life of quality …