specification: name: 20s 72v 45a battery protection board continuous discharging current: 45a instantaneous diacharge current: 100a charging voltage: 84v charging current: 45a max over-charge detect: 28±0 05v protect delay: 100ms over-charge release: 08±0 05v over-discharge: 55±0 08v over-discharge detect delay: 50ms release voltage: 9±0 1v detect voltage: 150mv detect delay: 15ms current detect: 130±10a resistance: ≤15mω working current: ≤50ua sleep current when over-discharge : ≤10ua working temperature: -3080? size: 120mm*60mm*9mm balance detection voltage: 2±0 025v balance release voltage: 2±0 05v balance current: 45±5 ma short circuit detection delay: 200us main function: over charge protection over discharge protection function short circuit protection function current protection function with band balance connections: step1:connect charging discharging wire battery pack negative wire step2: after confirm the wires are connected plug connector cable the bms not plug connector cable the before connect wire!! package included: x 20s 72v 45a battery protection board x cabel wire ☀About Us: Our company with more 5 years of experience in the shipping industry and many stores in .com, we always choose the best products with quality as well as the most practical value to customers can find in us.Thank you for using our product-What are you waiting for? Press the ""ORDER"" button now!Note: Please select size and product measurements before purchasing.Thank you!
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