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Lithium-ion Battery Back Up Power Station UPS 4820 for Camping

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Guang Zhou Sunland New Energy Technology Co., Ltd.

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Portable Communications energy storage systems 48V20AH lithium battery.
ICR18650 2200mAh 13S10P for 48V20Ah rechargeable lithium-ion battery packs.
Light weight and higher energy density than any rechargeable battery.
Installed IC chip will prevent the battery pack from over charge and over discharge,this helps protect battery chemistry integrity and prolongs battery life.
Perfect for building up battery pack for medical equipment Back-up or EPS Emergency power.
Supply which requires compact size and lighter weight.
High capacity for above 20Ah cut off 42V.
Application for medical equipment back-up and EPS Emergency power .

No.	Item	Specification
1	Combination method	13S10P
2	Rated Capacity	20AH
3	Nominal Voltage	48V
4	Voltage at end of Discharge	42V
5	Charging Voltage	54.6V
6	Internal Impedance	≤300mΩ
7	Maximum Continuous Charge Current	20A
8	Maximum Continuous Discharge Current	20A
9	Dimensions	L479W281T88(mm)
10	Weight	Approx 12 KG

Item	Symbol	Content
Over charge Protection	VDET1	Over charge detection voltage
	tVDET1	Over charge detection delay
	VREL1	Over charge release voltage
Over discharge protection	VDET2	Over discharge detection voltage
	tVDET2	Over discharge detection delay
	VREL2	Over discharge release voltage
Cell balance		Bleed Start Point
		Bleed Current
working current		Continuous Output Discharging
Over current protection	IDP	Over current detection current
	VDET3	Detection delay time
		Release condition
Short protection		Detection condition
		Release condition
Interior resistance	RDS	Main loop electrify resistance
Current consumption	IDD	Current consume in Idle mode
Temperature protection		Discharge :65℃
		Charge:65℃

No.	Item	Criteria	Test Conditions
1	Cycle Life (0.2C5A80%DOD	Higher than 70% of the Initial Capacities of the Cells	Carry out 800 cycle Charging/Discharging in the below condition. ◆80%DOD ◆Rest Time between charge/discharge:30min. ◆Temperature:20±5℃
2	Leakage-Proof	No leakage (visual inspection)	After full charge with standard charge, store at 60±3℃, 60±10%RH for 1 month.

25-35day for normal production

35-45days for OEM order

Inner Component

Lithium-ion Battery Back Up Power Station UPS 4820 for Camping

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lifepo4 battery pack

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