RS PRO 3.7 V Lithium-Ion Rechargeable Battery Pack, 7.8 Ah If you want to power your handheld devices on the move, a Lithium-ion (Li-ion) battery from our trusted RS PRO range is a practial solution. Li-ion batteries provide a reliable charge, owing to their thermal stability - this versatile pack can operate at temperatures from -20°C to +60°C. The chemical composition of these batteries mean you can recharge them multiple times. Plus, their low self-discharge means they retain their charge well, so they're an efficient and convenient charging option where you don't have access to mains power. This rechargeable battery pack contains three cells and provides a voltage of 3.7 V. Its impressive Amp hour capacity of 7.8 Ah means it can provide power for longer on a single charge. This pack is slimline, at 68 x 55 x 19 mm, and comes with pre-wired bare wire terminals so it's quick and easy to attach it to your devices. Features and Benefits - Lithium-ion chemical composition for stability, voltage capacity and charge retention - Rechargeable multiple times - Pre-wired bare wire terminal - Three cells, 3.7 V - Charge capacity of 7.8 Ah - Battery size of 68 x 55 x 19 mm - Minimum operating temperature of -20°C - Maximum operating temperature of +60°C