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4S 14.8V 16.8V 20A BMS PCM li-ion battery protection board for lithium LicoO2 Limn2O4 18650 li battery
Specifications:
1 voltage charging voltage 16.8V
Single charge voltage 4.2V
2 Current Continuous discharge current 0-20A
3 Overcharge protection Overcharge detection voltage 4.2±0.05V
Overcharge protection delay 1S
Overcharge single cell recovery voltage 4.13±0.05V
Overcharge protection release delay 20mS
4. Over-discharge protection Over-discharge single-cell detection voltage 2.8V
Over-discharge protection delay 1S
Over-discharge single-cell recovery voltage 3.0V
Over-discharge protection release delay 20mS
5 Over current protection Over current detection voltage 0.1V
Overcurrent detection current 32±3A
Over current detection delay 300mS±100mS
Recovery status Automatic recovery
6 Short-circuit protection Short-circuit protection Short-circuit protection
Short-circuit detection delay 20mS
Short-circuit detection voltage 0.8V
Recovery status Automatic recovery after disconnected load
7.Temperature protection Over temperature protection temperature 70±5°C
Over temperature recovery temperature 60±5°C
8. Power consumption Operating status 30±5uA (25°C)
Sleep state 6±2uA(25°C)
9 Internal Resistance Discharge Circuit Internal Resistance ≤30±5mΩ
10 Dimensions Length*Width 34mm*34mm


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1.Fast shipment,most products are instock, we are in shenzhen,you can recieve package fast than other city.
2.We can give better price for most product.
3.We have many diffirent products,so you buy it together, don’t need choose more supplier.
4.Our employee is very professional,so we can give best service and fast reply.
our mail products:voltmeter/ammeter/battery capacity tester/temprature controller meter
DC DC converter/relay module/amplifier/motor controller
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Shiping:we will send out package asap,it normal 3-7days,we can send by DHL Fedex UPS DPEX
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