Recharge Plus 9-volt battery delivers reusable power for all of your high-drain tools and toys so you can reduce waste and save money. It comes pre-charged in the pack and ready to use. Low-self discharge technology allows the battery to stay charged longer so it is ready when you need to use it. Holding a charge up to two to three times than standard NiMH rechargeables when not in use; this 200 mAh 9-volt battery is designed to hold power for up to one year. Recharge up to 300 times.