PowerSmart 3.7V 1800mAh Li-ion Battery and Charger for HP 451405-001, 459723-001, HSTNH-S17B Pocket PC Battery The brand "PowerSmart" is our exclusive registered trademark, products trademarked "PowerSmart " are marketed and sold exclusively by power198 Battery Specification: Battery Type: Lithium-ion (Li-ion) Voltage: 3.70V Capacity: 1800mAh Color: Black ||Dimension: 74.00 x 53.50 x 6.10 mm || Replacement Battery (Brand New) || New, 1 year warranty! Charger Specification: Voltage: 100-240AC (Input), DC 4.2V/8.4V (Output) The package includes: 1 battery and 1 charger. Please ensure the product(s) that you are going to buy fits the brand, model, part number and dimension (mentioned above) of your device.