Rip curl SearchGPS - Maintenance; Charging Your Watch

MAINTENANCE
CHARGING YOUR WATCH
Charge your watch by connecting it to your computer’s USB port. It takes
approximately three hours for the battery to fully charge.
The battery will last for 6 to 10 months without using GPS. Or up to 10
hours of GPS surf time before it needs to be recharged.
Rip Curl SearchGPS Instruction Manual17