RECHARGEABLE BATTERY HOW TO CHARGE: Plug the included charging cable into the Keypads Micro USE port, then plug the their end of the cable into a computer or LSE wall adapter, BATTERY LIFE: The Keypads rechargeable battery will last 2-3 weeks with moderate use (Hrs ftping per dank SLEEP MODE: When the Keypad is powered on but notion use Tor ome hoer 7 will enter a battery-saving sleep mode Press any button on the Keypad to wake. CHARGE TIME: The Keypad takes ~2 hrs to reach a complete charge.