Energizer 635675 2500mAh HR20 Rechargeable D Batteries NiMH round cell batteries size D rated at 2500mAh. They can be recharged to full power at any time using a broad range of chargers, these cells do not suffer from any memory effect, so there is no need to fully discharge before charging. Since the cells are rechargeable up to 1000 times, they re a good economic and environmental choice. NiMH technology makes them ideal in high drain devices such as flashlights, torches, door bells, remote controlled toy etc. Replacement for: 4050, AM1, D, E95, KD, LR20, MN1300, MONO, R20