Type: Li-Ion Components: Aluminium Alloy and Stainless Steel Size: 75x128x345mm Voltage: 12V Weight: 5.50±0.05Kg Nominal Capacity: 60ah Application: Solar Street Lighting Battery type: 18650 IP Grade: IP66 Fire Rating: No F IRE Risk Working Temperature: -20~60â?? Lifespan: 5~8 Years Battery Indicator Light: 4 LED Lights Support Rainy Days: 3~30 Days Charging Mode: PWM/MPPT Thermal Protection: 80â?? Load Voltage(LED Serials Number): 15~60V(5~18S)