... 18650 Rechargeable LiFePO4 Battery, LiFePO4 Battery Pack for Power Tool, RC Toy, Electric Vehicle 3.2V ... Acid and 65% weight of NIMH.9. No memory effect, fast charge can be fully charged in ... for medical equipment Back-up or EPS Emergency Power, Good performance at high discharge current: reach ... . RC car, boat, aircraft toy6. Solar, wind power energy storage devices 7. Digital camera, laptop/notebook, ...