Custom processing: Yes Brand: SmarTEC Model: PCM-04S30-740 Accessories Name: lithium battery protection board certification; ROHS Dimensions: L64 * W62.8 * T9mm voltage: CC / CV lithium-ion (4.21V / 1 节) phosphate Lithium iron (3.6V / 1 节) single balanced voltage: 4.20 ± 0.025V lithium ion, lithium iron phosphate 3.90 ± 0.025V single balanced current: 0 ~ 100mA single consumable stream: ≤20μA maximum continuous charge current: 6A Maximum continuous discharge current: 30A Overcharge detection voltage: 3.8V ~ 4.4V (adjustable) Overcharge detection delay time: 0.96S-1.4S overcharge recovery voltage: 3.8V ~ 4.4V (adjustable) overdischarge detection voltage : 1.9V ~ 3.1V (adjustable) Over discharge detection delay time: 115mS-173S over-discharge recovery voltage: 1.9V ~ 3.1V (adjustable) overcurrent detection voltage: 0.6V overcurrent detection current: 50 ~ 300A ( Adjustable) overcurrent detection delay time: 7.2ms-11ms recovery status: disconnect the load detection status automatically restore: external short circuit detection delay time: 200-500us recovery status: Disconnect load automatic recovery protection circuit (MOS): ≤ 20mΩ (resistance) Operating temperature range: -40 ~ + 85 ℃ Storage temperature range: -40 ~ + 125 ℃