Replacement Battery for Lucent E2813 Cordless Phone - Ni-MH, 3.6V, 700mAh / 2.52Wh. Specifically sized at 45.90 x 31.20 x 10.70mm, this high-quality battery is designed to restore full talk and standby time to your compatible Lucent cordless phone models. Ensure long-lasting power and reliability with this exact fit replacement.