Note: This BMS is for Lithium-ion (Li-ion)/Lithium-polymer (LiPo), 3.7v/4.2v cells. We offer professional design consultation and services. Please let us know about your project! Purchase price of item will be credited a full 100% towards consultation information and services. Billed @$65 per hour, in 15min increments. Description: This BMS balance board is used for a lithium battery pack to equalize (balance) voltage and protect the cells. The BMS uses COMMON Port connections for both charge and discharge. Battery compatibility: Voltage of 2.7V (Empty) - 4.2V (Full Charge) Li-ion battery types Charging input voltage: 29.4V – 30V (Max) Maximum starting current: 60A (Max) Discharge continuous current: 30A (Max) Charge current: 20A (Max) Board Size: approx. 108mm*34mm Package includes: 1 x BMS Board Li-ion, 1 x Wiring Connection Guide The BMS has optional special spot weld pads to allow direct connection of a nickel strip welded to the BMS. These pads can be removed or left on when using solder and wires. *Wires are not included. Recommended wires of 12AWG-20AWG will fit on the BMS. 7S 24v (29.4v) Lithium BMS Board BMS Operation Type Common Port (Charge/Discharge) BMS Cell Voltage Type 7S (3.7v/4.2v), 24v – 29.4v Discharge Continuous Amps (Max) 30A, 750W Discharge Surge Amps (Max) 60A, 1500W Discharge Voltage Limit Cutoff 2.7v per Cell Reset Discharge Protection Cutoff Connect Charge or Disconnect Load Charge Voltage 29.4v – 30V (Max) Charge Amps (Max) 20A, 500W Charge Voltage Limit Cutoff 4.2v per Cell Balancing Voltage 4.15 per Cell Balancing Amps 40mA per Series Temperature Cutoff Protection Yes, 70*C Discharge – 50*C Charge Short Circuit Yes, Protection Active Board Size 108mm*34mm Condition is New. Shipped with USPS First Class.