The 2500mAh 7.2V config 14 NiMH battery is part of Overlander's Fujitsu Black 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 85% after one year of storage, it's no wonder why these packs remain a firm favourite amongst users. The shelf life of Fujitsu Black batteries is amazing; there really is no need to worry about a cycle charge with this collection. Supporting up to 500 cycles, these Fujitsu Black 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.