... after 12 months at store, good capacity retention. Ready to Use: Pre-charged, ready for immediate use.Low self discharge: The Energylock holds ... suit for high drain applications mostly.Economic: Can be recharge and reuse for up to 1000 times.Environmentally friendly: Produce less waste ... , game,flashlight, Remote control, Toy, MP3/MP4 player, Electric razor. Ready-to-Use NI-MH AA 2100MAH batteries