Power up for HP iPAQ rx5000 series PDA with this reliable replacement battery. Featuring a robust 1700mAh capacity and 3.7V output, this Li-ion battery ensures your device stays running when you need it most. The compact black battery measures approximately 2.46 x 2.19 x 0.23 inches and weighs just 1.38 ounces, maintaining the sleek profile of your device. Compatible with multiple models in the rx5000 series including rx5700, rx5710, rx5720, rx5725, rx5730, rx5775, rx5900, and others. This battery (part numbers FA8277A, HSTNH-L12B, FA827AA, 430128-001) is designed to seamlessly replace your original unit, providing the power you need for your mobile computing needs. The lightweight design and reliable performance make it an essential accessory for keeping your PDA operational throughout your busy day.