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Contact SupplierOver current protection---18650 LiFePO4 battery pack will stop charging and will stop discharging when current reach to the point.
Over-charge over-discharge protection---18650 LiFePO4 battery pack will stop charge when a single cell voltage reaches 3.75V and stop discharge when its voltage reaches 2.2V.
Temperature protection---low temperature -7℃ battery protection and high temperature 70℃ discharging battery protection.
Quality Guarantee--- ISO/ FCC/ RoHS/ PSE/ CE APPROVED.Shipping time---within 9-14 days from China Dalyelec Manufacturing base normally. Delivery will be postponed as per National Holidays Regulation. Tracking information available.
What You Will Get--Lifepo4 4S 12V Common Port BMS+Balance Wire+Temperature Probe+English Wiring Instruction

