GPS Function Lithium Iron Phosphate Cells 20Ah For Electric Two Wheeler

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Shenzhen Topband Battery Co., Ltd

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Name: GPS Function Lithium Iron Phosphate Cells 20Ah For Electric Two Wheeler
Brand: Topband
Price: 1 USD

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Brand Name :	Topband
Model Number :	TB4820F-L110A
Certification :	MSDS
Price :	negotiable
Payment Terms :	L/C, T/T
Supply Ability :	450Mwh/year
Delivery Time :	2~3weeks for samples; 4~6weeks for mass production

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Topband 48v 20ah rechargeable lifepo4 battery pack for electric two-wheeler

1. Feature:

2. Specification

NO	Items		Characteristics
2.1	Normal capacity		20Ah
	Minimum capacity		19Ah
2.2	Nominal energy		1.024kWh
2.3	Nominal voltage		51.2V
2.4	Internal resistance		≤60mΩ @1kHz AC
2.5	Normal charge voltage		57.6±0.5V
2.6	Float charge voltage(for Standby use)		54.4±0.8V
2.7	Allowed MAX charge current		20A
2.8	Recommended charge current		4A
2.9	Allowed MAX discharge current		30A
2.10	End of discharge voltage		50V~55V
2.11	Pulse discharge current		Withstand the 50A/0.5s
2.12	Dimension		Length 325 ±2 mm
			Width 185 ±2 mm
			Height 180 ±2 mm
2.13	Weight (No accessories)		About: 10Kg
2.14	Operation temperature	Charge	0～43℃
		Discharge	-20～60℃
2.15	Self-discharge rate		≤3%/Month; ≤15%/ year
2.16	Storage environment	≤1month	-20～+60℃,5～75%RH
		≥3month	-10～+43℃,5～75%RH
		Recommend environment	15～33℃,5～75%RH

3. Dimension:

4. Circuit Protection

No	Item	Content	Criterion
4.1	Over charge	Over-charge protection for each cell	3.65±0.03V
		Over-charge release for each cell	3.34±0.03V
		Over-charge release method	Under the release voltage
4.2	Over discharge	Over-discharge protection each cell	2.50±0.03V
		Over-discharge release for each cell	2.90±0.03V
		Over-discharge release method	Charging
4.3	Over current	Charge over current protection	34A～36A,delay time 0.5~1.5s
		Charge over current release	Discharge or auto release after 1min
		Discharge over current protection	34A～36A,delay time 0.5~1.5s
		Discharge over current release	Charge or auto release after 1min
		Short circuit protection
4.4	Temperature	Charge over temperature protection	Protect@65±3℃; Release@50±3℃;
		Charge under temperature protection	Protect@-5±3℃; Release@0±3℃
		Discharge over temperature protection	Protect@65±3℃; Release@50±3℃;
		Discharge under temperature protection	Protect@-20±3℃; Release@-15±3℃
4.5	MOS	MOSFET over temperature protection	Protect@100±10℃; Release@85±10℃;

5.Transport & Store

The battery need to be charged every 6 months if out of use

No fall down, no pile up over 6 layers, and keep face up.

Product Tags:

lifepo4 battery pack

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