5Pcs 2S BMS 18650 2A 3A 45A 6A 75A 9A Charge Discharge Protection Board 37V Li-ion Lipo Lithium Battery 74V Charge Plate _x000D_ Features: 1. The use of high quality materials, quality assurance 2. Overcharge protection 3. Short circuit protection 4. Overrelease protection 5. Overcurrent protection 6 kinds of specifications: 2 strings of 7.4V 2A a MOS dot nickel strip 2 strings of 7.4V 3A two MOS dot nickel strips 2 strings of 7.4V 4.5A three MOS point nickel strips 2 strings of 7.4V 6A four MOS point nickel strips 2 strings of 7.4V 7.5A five MOS point nickel strips 2 strings of 7.4V 9A six MOS point nickel strips 7.4V lithium battery protection board Basic parameters: Durable discharge current: 2-9A Instantaneous discharge current: 3uA Charging voltage: 3.7V Charging current: 2-9A Package includes: Module X5 _x000D_