Replacement Battery for JBL PartyBox 520 FG2CELL21700 — 5000mAh/108.0Wh 21.6V Li‑ion with Type‑C Port

Compatible with JBL PartyBox 520 FG2CELL21700 wireless Bluetooth speaker. This brand-new Li-ion replacement battery delivers 5000mAh/108.0Wh capacity at 21.6V, with a limited charge voltage of 25.2V. Built from high-quality materials and fitted with top circuit boards and a smart chip, it is supplied as a reliable spare power source for your portable speaker. Safety features include a built-in microchip that protects against short-circuiting, over-charging, over-discharging and overheating, helping to extend the life of the Li-ion cell. The pack also includes a Type-C port for convenient connection. Helpful reminder: for best long-term performance, fully discharge and then fully charge the battery during the first 3 charging/discharging cycles.