How many rechargeable batteries do you use at home? We use rechargeable batteries in most of our electrical devices such as cordless phone, MP3 player, remote control, digital cameras etc because it is much cheap to use compared to regular batteries.
Cost wise, rechargeable batteries are definitely much more expensive. It makes sense to take care of the batteries so it will last for a long time.
The following is a list of 5 easy tips you can use to extend the life of NiCd or NiMh batteries.
1) Do not overcharge.
This is a very important point. Do not leave the battery in the charger for more than a day after it has been fully charged. Remove the battery when you see the “Full” indicator on the charger.
Even when the charger has an automatic cut off feature, do not leave it in the charging unit. Overcharging is very bad for your battery’s longevity.
2) Regular full discharge cycle.
When possible, discharge the battery fully at least once a month. You can do this by running the battery down in the equipment until it is dead.
The reason for the full discharge is to prevent the “memory effect“ of the battery.
3) Do not discharge before recharge.
The older type of rechargeable batteries need to be discharged fully every time before recharge. Do not do this with the current type of rechargeable batteries.
Constant discharging will put undue stress on the battery which will reduce its lifespan.
4) Keep the battery cool.
Do not let the battery to be too hot when charging. When charging, it should raise the temperature of the battery a little and them it should cool off when fully charged.
Charge the battery around room temperature. Excessive heat may cause the battery to explore!
5) Use quality charger.
Finally, it pays to use a high quality battery charger. A battery charger should be able to charge AA and AAA batteries simultaneously. Preferably, choose a model with heat monitor to prevent overcharging.
A good battery charger recommended is the La Crosse Technology BC-9009 AlphaPower.
Rechargeable Battery Reconditioning Guide
Are there any ways to bring a dead rechargeable battery back to life? Some batteries can be reconditioned to bring it back to service.
For a step by step battery reconditioning guide, check out the DIY Recondition Battery Guide at www.reconditionbattery.com. The information in the manual will save you hundreds of dollar on rechargeable batteries.
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