12V 280Ah LiFePO4 Deep Cycle Battery with Built-in Heater & Bluetooth - Solar Power, RV, Marine, Off-Grid Energy Storage - SOK Battery

Product Description

• 7 years warranty and maintenance free with a 8000~12000 cycles life span.
• Detachable cover with replaceable BMS and cells.
• Built-in heater pad for using in down to -4°F.
• Bluetooth4.0 , support IPhone or Android smartphone.
• Support connect in parallel for larger capacity.
• Built-in smart Battery Management System (BMS).
• Low temperature charging cut-off.
• High temperature charging or discharging cut-off.
• Over charging and discharging protection.
• Over current and short circuit protection.
• Battery cells auto balance.
• Please note for connecting in series: NOT OVER 4 Batteries IN SERIES, and make sure add the battery voltage balancer.