HQRP® Rechargeable Battery; Battery Voltage: 3.7V, Capacity: 800mAh; Li-Ion; Battery size: 49mm x 14mm; 200 Days warranty! Compatible with Philips Norelco HQ7363 Shaver. Compatible with Philips Norelco HQ7363 Shaver. Please, notice that to replace the battery it is necessary to disassemble the Shaver. All shavers require soldering to install battery. If You are not sure that can disassemble the Shaver and install the battery correctly, we recommend to ask a specialist for help.