Capacity: 4400mAh, Voltage: 7.2V / 31.68Wh. Type: Li-ion Replacement Battery. High Quality: Built in high-precision voltage detection circuit and delay circuit, make sure the battery run stable and perfectly.Passed the international attestation of ISO9001, RoHS & CE Certificate. Replacement for: Beats Pill XL Bluetooth Speaker Package includes: 1-pack Kratax battery with free full Installation Tools(If have any questions about the screwdriver or battery, please contact us for change or refund.) Customer Service:60-day Money Back and 12-month Warranty for this Kratax replacement battery