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Safe 48V 20Ah UPS Rechargeable Batteries For Outdoor Portable Power

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Shenzhen Topband Battery Co., Ltd

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Name: Safe 48V 20Ah UPS Rechargeable Batteries For Outdoor Portable Power
Brand: Topband
Price: 1 USD

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Brand Name :	Topband
Model Number :	TB4820F-T110A
Certification :	ISO9001, CE, MSDS
Price :	Negotiable
Payment Terms :	L/C, T/T
Supply Ability :	450Mwh/year
Delivery Time :	2~4weeks for samples; 4~6weeks for mass production

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1. Deep cycle lithium battery 48V 20Ah feature

High energy density
High working voltage for single battery cells
Pollution-free
Long cycle life
No memory effect
Capacity, resistance, Voltage, platform time consistency is good
With short-circuit production function, safe and reliable
Factory price & High quality
Good consistency, low self discharge
Light weight, small size
High discharge rate
Quality and security guaranted,with CE,ROHS approval.
The lifepo4 battery pack is widely used for electric bicycle,golf car,electric bike,electric wheelchair,power tools,electric scooter,emergency light,etc

NO.	Items		Characteristics	Testing Methods
1	Nominal Voltage		48V	Follow
2	Nominal Capacity		20Ah	Follow
3	Minimum Capacity		19Ah	Follow
4	Battery internal Impedance		Internal Impedance≤60mΩ,	Internal Impedance Testing Machine( HIOKI 3555,1kHz )
5	Shipment Voltage		51V～56V	Multi-meter
6	Dimension	L ngth	485* 88.5* 256mm	Vernier caliper
		Width
		Height
7	Working Temperature	Charge	0~50℃,45~85%RH	Temperature & Humidity Instruments
7	Working Temperature	Discharge	-20~60℃,45~85%RH	Temperature & Humidity Instruments
8	Storage empe ature & Humidity Range	Short: above one month	-20~+55℃,45~85%RH	Temperature & Humidity Instruments
		Medium: above three months	0~+45℃,45~85%RH
		Long:above one year	+5~+30℃,45~85%RH
9	Allowed maximum continuous charge current		30A	Multi-meter
10	Allowed maximum continuous discharge current		30A	Multi-meter
11	Allowed maximum reverse charge voltage		NO Allowed	/
12	Allowed maximum charge voltage		58.4±0.2V	Multi-meter
13	Discharge cut-off voltage		40±1V	Multi-meter
14	weight		About:12 KG	electronic scale
15	Balanced function		/	/
16	Display voltage		Yes (Precision 1%)	/
	Display current		Yes (Precision 2%)	/
17	Display capacity		Yes (Precision 10%)	/
18	Communication		Master RS232 Communication /Slave RS485	/

No.	Items	Standards	Testing Methods
1	Short-Circuit	NONE	Prohibit output electrode short circuit
2	Over Discharge Protection Test	The battery should be no remarkable breakage, distortion. Appearance and charge are normal.	Discharge the battery at the rate of 0.2C with the load of 30Ω for 24h . Charging for 10sec with specified adapter , and check the voltage(≥37V)
3	Impact Test	The battery should be no explosion or catch fire	Place a full charged battery on a flat and put a stainless steel stick (Diamond 7.9mm) in the middle of the battery upright . Beat the steel stick with 9.1Kg

4. Deep cycle lithium battery 48V 25Ah Dimension

5. Application

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