- 1). Use you NiCd battery to power your electrical device, but ensure you allow the battery to nearly fully discharge before charging. If you see the battery indicator level drop a little and are tempted to put it on charge, resist the urge. Recharging when the battery is nearly full causes an inability to charge correctly.
- 2). Check the battery indicator level occasionally and when the level gets to about 20 percent full, put the battery on charge. Place the battery in the charger unit, or if it's an internal NiCd battery, such as cell phone, insert the charging unit's plug into the charge socket on your device. Turn on your charger. Always let the NiCd battery charge until full, and then remove the battery from the charger.
- 3). Fully discharge your NiCd battery every six months or so. Find a convenient time to do this since it takes a while. Let your device operate until it stops or turns off. Don't recharge the battery at this time; leave the battery for an hour or so then turn on your device. It operates for a while. Repeat this a couple more times, until it doesn't turn on. This means your NiCd battery is totally discharged.
- 4). Put your battery on charge once it's totally discharged. Let it charge until the battery is at full capacity. This takes time, but the process of fully discharging and recharging restores your NiCd battery to near its original condition.
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