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3.7V 1S 20A BMS Lifepo4 Battery BMS PCB Board For 18650 Cell 4.2V Charging BMS

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3.7V 1S 20A BMS Lifepo4 Battery BMS PCB Board For 18650 Cell 4.2V Charging BMS

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Brand Name :	ENERKEY
Model Number :	JW-B1S20A-075
Supply Ability :	50000 Piece/Pieces per Month
Price :	$2.10/pieces 50-99 pieces
Certification :	ISO9001/ROHS/CE

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Product Details
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3.7V 1S 20A BMS Lifepo4 Battery BMS PCB Board For 18650 Cell 4.2V Charging BMS

3.7V Enerkey 1S 20A BMS Round PCB Board for 18650 Cell 4.2V Charging Base Material FR-4

Product Description

Electric Parameter
PCM Specifications For 3.7V(1S)Li-ion Battery Packs
Model:JW-B1S20A-075
NO.	Project			Min.	Typ.	Max.	Unit
1	voltage	Charging voltage		4.2		V
1	voltage			Balance voltage for single cell	/	/	/	V
2	Current	Balance current for single cell			/	mA
				Current consumption			10	uA
				Maximal continuous charging current			20	A
				Maximal continuous discharging current			20	A
3	Over charge protection	Overcharge detection voltage for single cell	4.225	4.25	4.275	A
				Overcharge detection delay time	0.5		1.5	S
				Overcharge release voltage for single cell	4.00	4.05	4.100	V
4	Over discharge protection	Overdischarge detection voltage for single cell	2.438	2.50	2.562	V
				Overdischarge detection delay time	10		150	mS
				Overdischarge release voltage for single cell	2.938	3.000	3.062	V
5	Overcurrent protection	Over current detection voltage	0.185	0.2	0.215	V
				Over current detection current	50	60	70	A
				Detection delay time	7.2		11	mS
				Release condition	Cut load
6	Short protection	Detection condition	Exterior short circuit
				Detection delay time	200		500	μS
				Release condition	Cut load
7	Resistance	Protection circuitry (MOSFET)			20	mΩ
8	Temperature	Operating Temperature Range	-40		85	℃
8	Temperature			Storage Temperature Range	-40		125	℃

Product Use Tutorial

3.7V 1S 20A BMS Lifepo4 Battery BMS PCB Board For 18650 Cell 4.2V Charging BMS

matters need attention

1.Connect Battery B- with BMS B- firstly! 2.Connect Battery 1 with the BMS as the picture shows. (Please weld the wires in order
and avoid pseudo solder joints.) 3.Connect Charger C-/Load P- with BMS C-/P-?(Use larger size wires) 4.Connect Positive Pole:
Charger C+/Load P+ with Battery Pack B+ (Use larger size wires) . Pay attention to make insulation.

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