This is the 880mAh version of our Lithium Ion Polymer (LiPo) battery fitted with PCM board and fly leads. Genuine VARTA Branded Lithium Ion Polymer Battery • Double shrink wrapped Lithium Ion Polymer Cell with two fly leads (ready for your connector) and built-in safety circuit • Ideal for use as replacement Li-ion battery, or for project work • Dimensions : Length - 54.5mm, Width - 35mm, Thickness - 6.0mm • Weight 20 Grams • Nominal Voltage: 3.7V • Rated capacity: 880mAh (typical) • 2Watt-hour rating: 3.3Wh • Charging Method: Constant current & constant voltage • Charge current: Standard: 170mA (5.0hrs), Maximum: 850mA (1.0hr) • Maximum charge voltage: 4.20V (±50mV) • Maximum discharge up to 2c (0.5c to 1c for best cell life) • Protection Circuit Module (PCM): Overcharge at 4.30V, Overdischarge at 2.4V • Please be aware of charging precautions when dealing with lithium cells. These Batteries make an excellant low weight but high power upgrade for your Robot/project. Please note - Due to transport restrictions this product can only be sold to UK customers. Also available at this website.