The 2000mAh 4.8V flat NiMH battery is part of Overlander's Fujitsu Blue AA range. Fujitsu cells are a popular choice for high capacity and high drain rechargeable Nickel Metal Hydride battery applications. With an exceptional retention rate of up to 70% after five years of storage, it's no wonder why these packs remain a firm favourite amongst users. The shelf life of Fujitsu Blue batteries is amazing; there really is no need to worry about a cycle charge with this collection. Supporting up to 500 cycles, these Fujitsu Blue batteries are sure to withstand the test of time! They are fully operational in temperatures as low as -20? and have absolutely no memory effect! Everything you need, these batteries are sure to cater for.