Audiovox G'zOne Type-V 1050mAh Lith Batt UTStarcom BTRGZ Li-Ion Black, Standard battery provides your UTStarcom G'zOne Type-V/ Casio C511 cell phone with the standard battery capacity that originally shipped with most UTStarcom G'zOne Type-V/ Casio C511 cell phone models. Lithium ion (Li-Ion) batteries are available in a variety of capacities to best fit your cell phone requirements. This memory free, standard capacity battery, is the factory original, UTStarcom BTRGZ Li-Ion battery, rated at 1050 mAh capacity. UTStarcom BTRGZ battery is compatible with UTStarcom G'zOne Type-V/ Casio C511 cell phone models only. 511, c-511, c511, G'zOne, G'zOne Type V, G'zOne Type-V