Soundboks The Battery; 2024 improved battery; extend the party with an extra swappable battery for your Soundboks; 99.84Wh / 7.8Ah capacity at 12,8V digital military grade lithium iron rechargeable battery; up to 40 hours battery life (6 hours on maximum volume); 2 hours to fully recharge with The SOUNDBOKS charger (not included) or a USB-C PD compliant power supply capable of delivering 65W.; charge and play music at the same time; can be used as a powerbank to keep other devises charged; integarted USB-C port (10W USB PD, 5v 2A); built-in 5-step LED battery status indicator, heavey-duty DC-connector; BMS battery protection system; dimensions: width 150mm x lenght 65mm x height 96mm, Weight 1.0 Kg, optional charger (594613); works with: Soundboks Gen1, Gen2, Gen3, Gen4 and Go