1s8p 3.7V 20.8ah 18650 Rechargeable Li-ion Battery for Portable Speaker

• Type: Lithium-Ion Battery Pack
• Connection Mode: Series and Parallel
• Rechargeable: Chargeable
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: HWE18650-20.8Ah
• Discharge Rate: Medium Discharge Rate
• Size: Medium
• Accessories Type: Battery
• Rated Capacity: >1000MAH
• Standard Voltage: 1.5V～4.8V1.5V～4.8V
• Usage: Street Light
• Electrolyte: Li-ion
• Certificate: ISO9001,Bis,CE,RoHS,Un38.3
• Warranty: 12months
• Cycle Life: Over 500 Times
• Housing Material: Steel Shell
• Max Discharging Current: 1c
• Max Charging Current: 0.5c
• Applications: POS,Wireless WiFi,Portable Device,Power Bank
• Weight: 370g
• Months Self Discharge: <3%
• Delivery Time: 7-10days(Samples);25-30days(Bulk Order)
• Charging Cut-off Voltage: 4.25V
• Discharging Cut-off Voltage: 2.75V
• Operation Temperature: -20c to 60c
• OEM/ODM: Acceptable
• Internal Resistance: Less Than 80
• Transport Package: Standard Air Transport Packaging
• Specification: 20*67*526mm
• Trademark: HWE
• Origin: China
• HS Code: 850760009
• Production Capacity: 100000piece/Pieces Per Day
• Package Size: 60.00cm * 50.00cm * 30.00cm
• Package Gross Weight: 10.000kg

Product Description

Prouduct Description
 

Electrical Characteristics	Nominal Voltage	3.7v
	Nominal Capacity	20.8Ah
	Energy	76.96Wh
	Internal Resistance	≤80mΩ
	Cycle Life	>500 cycles @ 1C 100% DOD
	Months Self Discharge	<3%
	Effciency of Charge	100%@0.2
	Effciency of Discharge	96-99%@0.2C
Standard Charge	Charge Cut-off Voltage	4.25±0.1V
	Charge Mode	0.2C to 4.25V,then 4.25V,charge current to 0.02C(CC/CV)
	Charge current	4.16A
	Max charge current	10.4A
Standard Discharge	Continuous current	4.16A
	Max discharge current	20.8A
	Discharge Cut-off Voltage	2.75V
Environmental	Charge Temperature	0 ºC to 45 ºC (32F to 113F) @60±25% Relative Humidity
	Discharging Temperature	-20 ºC to 60ºC (-4F to 120F) @60±25% Relative Humidity
	Storage Temperature	0 ºC to 40 ºC (32F to 104F) @60±25% Relative Humidity
Mechanical	Plastic Case	Steel shell
	Dimension	20*67*526mm
	Terminal	Connector
	Weight	370g