Gold Member Since 2015
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Shenzhen Believe Technology Co., Ltd.

Li-ion Battery, Battery Packs, Battery manufacturer / supplier in China, offering LED Light Battery Rehcgargeable 20W 7.4V Cylindrical Battery Pack 2800mAh, Waterproof Emergency Lights 7.4V 5200mAh 18650 Rechargeable Lithium Battery, 36V 6ah Li-ion Battery Pack E-Scooter Battery with Samsung 18650 in China with Stock and so on.

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LED Light Battery Rehcgargeable 20W 7.4V Cylindrical Battery Pack 2800mAh

Purchase Qty.:
100-99,999 100,000+
FOB Unit Price: US $5 US $3
Purchase Qty. (Pieces) FOB Unit Price
100-99,999 US $5
100,000+ US $3
Get Latest Price
Production Capacity: 5000PCS/Day
Transport Package: Standard Export Carton Package with Caution Label
Payment Terms: T/T, Paypal

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Basic Info
  • Model NO.: BLV-7.4V-18650
  • Charger Type: Electric Charger
  • Nominal Voltage: 7.4V
  • Compatible Battery Type: 18650
  • Certification: RoHS, TUV, CB, CE
  • Recyclable: Recyclable
  • Battery Shape: Cylindrical Battery
  • Markets: Global
  • Voltage: 7.4V
  • Hs: 8507600090
  • Warranty: 1 Year
  • Specification: CE/ROHS/SGS standard
  • HS Code: 8507600090
  • Type: Lithium Battery
  • Charger Application: Standard Battery
  • Charger Style: Intelligent Charger
  • Size: AAA
  • Socket Type: For E.U.
  • Battery Type: Li-ion Battery Packs
  • Charging Method: Rechargeable Battery
  • Size of Battery: 18650
  • Capacity: 2800mAh
  • Package: Standard Export Package
  • Trademark: BLV/OEM/ODM
  • Origin: Shenzhen City, China
Product Description
LED Light Battery Rehcgargeable 20W 7.4V Cylindrical Battery Pack 2800mAh

1Nominal capacity2800mAh 0.2 C Discharge
Min capacity275mAh 0.2 C Discharge
2Nominal voltage7.4V
3Charge currentStandard Charge: 0.2C
4Standard Charging method0.5C CC(constant current)charge to 8.4V, then CV(constant voltage 8.4V)charge till charge current decline to ≤0.01C
5Charging timeStandard Charging
6Max. Discharge currentConstant current 1C end voltage 6.0V
7Standard Discharge CurrentConstant current 0.2 C end voltage 6.0V
8Discharge cut-off voltage6.0V
9Charge cut-off Voltage8.4V
10Initial Impedance≤180mW
11WeightApprox: 95g
12Operating temperatureCharging: 0ºC~45ºC
Discharging: -20ºC~60ºC
13Storage temperature-5ºC~35ºC
14Storage Humidity≤75% RH
15AppearanceWithout scratch, distortion, contamination and leakage
16Standard environmental conditionTemperature: 23±5ºC
Humidity: 45-75%RH
Atmospheric Pressure: 86-106 Kpa

Application of li-ion battery

Application for lithium-ion battery: 

A). Portable Equipment: 
Post machine, hand set, the portable printer, data terminal; 

B). Medical Instruments: 
Ecg monitoring instrument, ultrasonic, breath machine, electrocardiograph

C). Industrial instrument and communication instrument: 
Flaw detector, fusion splicer, optical power meter, gas detector

D). Consumer Electronics: 
PDA, MID, PC, POS machine, electric tool, laptop. Ebike, emergency light power, data camera, DV, speaker, mp3, mp4 portable DVD and so on. 

E). Portable Equipment: 
POS, Portable printer, handset. Electric toy: RC car/ boat/helicopter etc. 

Advantage of li-ion battery

Feature for lithium battery: 

1. Long life, large capacity and good shock resistance
2. Low self-discharge and good discharge performance at low temperature
3. Strong charging acceptance and quick-charging capability
4. Strong over-discharge resistance and charge retention
5. Maintenance-free and no acid or water for maintenance in usage
6. Excellent large current discharge performance, and have obvious advantages in startup and climbing
7. High temperature performance
8. Environmental friendly
9. Lighter weight smaller size
10. Most safe no explosion no fire

Customized power solution supplier
Our Services 
1. Low MOQIt can meet your business very well, li-ion cell 1000pcs, battery pack 500pcs.  
2. OEM AcceptedPlease send us your requirements or design.  
3. Good ServiceWe treat clients as friends, always welcome to visit our factory 
4. Good QualityBLV is an original manufacture, 100% tested in production test one by one before shipping 
5. Fast & Cheap DeliveryWe have big discount from forwarder (long Contract) 
Why Us?  
1.10-year experiences dealing with lithium battery business and customized designing& production. 
Strong and experienced R&D team to support. 
2. Quick and Safe Delivery, competitive factory price, 
3. Experienced Service Team, respond within 10h for your questions. 
4. Warranty for ONE-YEAR After-sales Service
5. OEM and ODM Services Offered. Customized designing power solution. 
6. Full Range Products for Choices
7. Fully inspection for samples&orders&incoming materials, 
Offer test report and specification data sheet offer. 
8. Provide best brand cell: Sanyo, Panasonic, Samsung, LG, Sony. 

Contract me for best factory prices now! 

Your best services from Ms Windy Lee (Project Manager)
TEL: 0086-0755-27489699
CELL NO.: 0086-18563969459
Always respond your questions within 12h. 
Shenzhen Believe Technology Co., Ltd: Advanced power solution for the green world

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Miss Windy Lee
Project Manager
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