7S 20A PCB/BMS for Lithium Ion Battery Pack

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Product Details

Place of Origin	China		Brand Name	OSN Power
Model Number	OSN-7S2020-BMS

7S 20A BMS for Li-ion/ Li-polymer 24V battery pack
Continuous and Peak Discharge Current: 20/40A
Charge Current: 20A

PCM Specifications For 7S /25.9V Li-ion Battery Pack
Model: OSN-7S2020-BMS
No.	Test item		Criterion
1	Voltage	Charging voltage	DC:29.4V CC/CV
1	Voltage	Balance voltage for single cell	4.20+0.025V
2	Current	Balance current for single cell	75+10mA
		Current consumption for single cell	≤20μA
		Maximal continuous Charging current	20A
		Maximal continuous Discharging current	20A
3	Over charge Protection	Over charge detection voltage	4.25+0.025V
		Over charge detection delay time	0.5S—2S
		Over charge release voltage	4.19+0.025V
4	Over discharge protection	Over discharge detection voltage	2.80+0.05V
		Over discharge detection delay time	10mS-200mS
		Over discharge release voltage	3+0.05V
5	Over current protection	Over current detection current	80+10A
		Detection delay time	5ms—20mS
		Release condition	Cut load, Automatic Recovery
6	Short protection	Detection condition	Exterior short circuit
		Detection delay time	200-500us
		Release condition	Cut load, Automatic Recovery
7	Resistance	Protection circuitry (MOSFET)	≤20mΩ
8	Temperature	Operating Temperature Range	-40~+85°C
8	Temperature	Storage Temperature Range	-40~+125°C
9	Size		L120W50T9m

Shenzhen OSN Power Tech Ltd.: Contact nameCindy OSN
Chat Now; Phone86-755-25609940; AddressRoom721 7th floor Gaobiao building,Cuizhu Road, Luohu District ,Shenzhen City, Shenzhen, Guangdong

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