The JBL Battery 200 (FG2CELL21700P) is a replacement lithium-ion power cell designed specifically for the JBL PartyBox Club 120. With a capacity of 4722 mAh and an energy rating of 34 Wh at 7.2 V, this black battery allows you to keep your music going for up to 12 hours on a single charge. If you use two batteries together, the total playtime extends to 24 hours, making it easier to manage longer events without needing a power outlet. Measuring 49 x 25.1 x 89.5 mm and weighing just 182 g, the unit is compact enough to fit neatly into the dedicated compartment on the rear panel of your speaker. It operates reliably in temperatures ranging from 0°C to 45°C, ensuring stability during various indoor or outdoor settings. The packaging reflects a commitment to sustainability, as it uses FSC-certified materials printed with soy-based ink.