1600mAh Battery fits HP iPAQ rx3000 / rx3100 / rx3115 / rx3400 / rx3700 / hx2000 / hx2190 / hx2400 / hx2415 / hx2490 / hx2495 / hx2700 / hx2755 / hx2790 / hx2795 series High Quality, high capacity, light weight rechargeable DC 3.7V Li-Ion 1600mAh battery. Longer battery life than the original battery that comes with the PDA. Best replacement for the original HP iPaq rx3000 / rx3100 / rx3115 / rx3400 / rx3700 / hx2000 / hx2190 / hx2400 / hx2415 / hx2490 / hx2495 / hx2700 / hx2755 / hx2790 / hx2795 series battery pack. No memory effect. Can be charged or discharged as needed without loss of capacity. Overcharge protection, with built-in battery life microchip.