The OrcaTorch 21700 USB-C Rechargeable Battery offers a powerful 3.6V output with an 18WH capacity and 5000mAh large capacity, ensuring long-lasting performance for your dive lights. Featuring convenient USB-C charging, it allows you to recharge directly via a USB cable. The battery is designed with built-in overcharge and over-discharge protection circuits, ensuring safe and reliable use. It is compatible with the OrcaTorch D700, D710 , ZD710, DC710, D710V and D720 dive lights. A full charge takes approximately 4 hours and 30 minutes, making it a dependable power source for extended underwater adventures.