OEM EVENH50BP2 General Purpose Battery designed for high-drain devices. These NiMH round cell rechargeable D batteries provide up to 70 percent more power per charge compared to standard NiCd batteries and allow for up to 1,000 recharges. They can be recharged to full power at any time using a variety of chargers. An economical and environmentally friendly choice, these batteries are both renewable and reusable.