12V 250AH LiFePO4 Battery(Low Temperature Heating + Bluetooth)Built-in 200A BMS

【Heating Function】: Only when CHINS Smart LiFePO4 battery starts to charge, the heating function inside the battery can be turned on. When the ambient temperature is lower than 32°F (0°C), the charging current will only supply power to the heating film inside the battery. When the internal temperature of the battery reaches 50°F (10°C), BMS will immediately turn off the heating function, all the charging current charges the battery. The charging current of the low temperature heating battery is at least 10A.【Bluetooth Function】: Compared with the traditional battery monitor, CHINS Smart LiFePO4 battery has added Bluetooth function and obtain various data (SOC) of the lithium iron phosphate battery. Customers can connect to the battery through the mobile phone APP, and read the battery voltage, current, battery capacity and other important information at any time. Wireless connection range: within 5-10 meters from the battery.【Capacity Expansion】: CHINS lithium battery can be connected in parallels and in series for larger capacity and voltage. Max connection in series: Up to 4 identical batteries for up to 48V connecting in series. Connection in parallels: it can connect multiple batteries, suggest no more than 4pcs in parallel. Allow to be extended up to 4 in series and 4 in parallel (Max 4S4P) to get more capacity (Max 1000Ah) and higher voltage (24V, 36V, 48V). Other installation methods: 4S2P, 2S2P, 3S2P, etc.【Built-In BMS & Convenience & Maintenance Free】: CHINS Smart (Low Temperature Heating + Bluetooth) lithium battery has built-in BMS (Battery Management System) to protect it from overcharge, over-discharge, over-current, and short circuit with excellent self-discharge rate. Built-in high temp cut off prevents charging over 122 °F (50 °C). Plus, Li-Ion batteries can be safer than Lead Acid batteries, which have no protection against ground faults. 【Lithium Iron Technology】: CHINS Smart (Low Temperature Heating + Bluetooth)LiFePO4 battery have exceptional longevity since they manufacturing by Automotive Grade LiFePO4 Cells with higher energy density, more stable performance & greater power, letting you use the battery more freely. Our batteries are more cost effective, so when factoring time and cost into your purchase, our lithium ion battery banks come out ahead every time. It can support fast charging and solar panel charging.CHINS 12V 250AH Smart (Low Temperature Heating + Bluetooth)  ：LiFePO4 Battery specificationsNominal Voltage: 12.8VCharge Voltage: 14.2V – 14.6VRated Capacity (0.2C): 250Ah / 3200WhPeak discharge current: 600A (Duration: less than 5 seconds)Standard charge current: 40A, Charging time approximately 7 hoursCharge Temperature: -20°C to 50°C(-4°F to 122°F)Discharge Temperature: -20°C to 60°C (-4°F to 140°F)Storage Temperature: -10℃ to 35℃（14°F to 95°F）Item Size: (L*W*H)20.47 x 10.59 x 8.66Item Weight: 73.8 pounds

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