This is a high-performance deep cycle lithium battery with built-in solar charge controller. It can be used outdoor and connect to solar panel for charging directly

• Built-in MPPT solar charge controller and LED indicator
• 11.1 Volts nominal voltage
• 50 Amp Hours nominal capacity @ 25 °C
• 3000 Deep Cycle life at 50% Discharge
• 8 Amp recommended charge current
• 12.6 Volts recommended charge voltage
• Built-in BMS battery protection (over current, over voltage, low voltage)
• One pair of MC4 connectors to solar panel, One water-proof two-pin DC connector to cameras or other loads
• Comes with outdoor enclosure, ABS material
• Weight: 3.75kg (8.27 lbs)
• Dimension: 272*205*80 mm (10.71*8.07*3.15″ inch)
• Working temperature range 0°C to +45°C or 32 ℉ to 113 ℉ (For charging)
-20°C to +60°C or -4 ℉ to 140 ℉ (For discharging)