Gold Member Since 2009
Audited Supplier
OptimumNano Energy Co., Ltd.

18650 Battery Cell, 18650 Li Ion Battery, 18650 LiFePO4 Battery manufacturer / supplier in China, offering 18650 LiFePO4 Lithium Iron Phosphate Battery Cell for Laptop, Wo-Power Box Rechargeable 7.2kwh Powerwall Energy Storage System, Wo-Power Box 7.2kwh Scalable Core Battery Energy Storage System Ess and so on.

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Supplier Homepage Product LiFePO4 Battery Cells 18650 LiFePO4 Lithium Iron Phosphate Battery Cell for Laptop

18650 LiFePO4 Lithium Iron Phosphate Battery Cell for Laptop

Purchase Qty.:
50-999,999 1,000,000+
FOB Unit Price: US $1.4 US $1
Purchase Qty. (Pieces) FOB Unit Price
50-999,999 US $1.4
1,000,000+ US $1
Get Latest Price
Production Capacity: 80, 000PCS/Day
Transport Package: Standard Export Package
Payment Terms: T/T, Western Union

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Basic Info
  • Model NO.: OPT-18650
  • Usage: Car, Bus, UPS, Electric Power, Lighting, Electric Bicycle, Boat, E-Tools
  • Discharge Rate: Medium Discharge Rate
  • Electrolyte: LiFePO4
  • Rechargeable: Chargeable
  • Certificates: CE, UL, RoHS, BV, SGS, ISO9001, Ts16949
  • Oversea Market: Europe, South America, Middle East, etc
  • Warranty Period: 2 Years
  • Constant Charge and Discharge Rate: 1-3c
  • BMS Function: Protectation of Short Circuit, Overcharge and Over
  • Specification: CE, UL, ROHS, BV, SGS, ISO9001, TS16949
  • HS Code: 85078020
  • Type: Lithium-Ion Batteries
  • Nominal Voltage: 3.2V
  • Shape: Cylindrical Battery
  • Installation: Lithum Iron Phoshate Battery
  • Product Name: 18650 Battery Cell
  • Maintenance Type: Free
  • Cycle Life: at Least 2000 Times
  • Operate Temperature: 20 Degree~+60degree
  • PCM Discharge Current Protection: 100A
  • Trademark: optimum
  • Origin: Shenzhen, China
Product Description
Hot-selling 18650 power bank

High safety
Long cycle life
Smaller and lighter
No memory effect
Environmental friendly
Maintenance Type: Free
High power, no pollutions
CE, UL, RoHS, BV, SGS, ISO9001, TS16949
Oversea market: Europe, south America, Middle East, etc

Advantages of the LiFePO4 battery:

Fast charging
Large overcharge tolerance and safe performance
Simplifying battery management system (BMS) and battery charger
High temperature performance
Long lifespan, 3000 cycle@ DOD 80%, 4 times of lead-acid battery
Safe, high-power and eco-friendly, have no heavy metal and corrosive fluid
Small in size, lightweight and with good performance
Our products have obtained Certificate ISO 9001: 2008, CE, RoHS and UL certifications
We offers battery pack + BMS + charger as a whole solution
Can accept fast charging, 2 to 3 hours can be fully charged
Batteries can also accept large charging current as energy regeneration by EV braking or reducing speed

IFR 18650

Norminal Capacity(0.2C)

Norminal voltage

Standard charge voltage

Cut-off voltage

Standard charge current

Max discharge current

18.2± 0.5 mm

66.8 ± 0.5 mm


Impedance(Max, at 1000Hz. )
≤ 15mΩ
Comparison with traditional batteries like SLA:  
Item No.LiFePO4 BatterySLA BatteryNote
Weight / Power Ratio200-300 Wh / Kg32-37 / Kg4: 1
Dimension / Power Ratio210Wh / L70Wh / L3: 1
Cycle times> 20003007: 1
High Rate Charge / Discharge Performace> 96 %60-70 %1.6: 1
Charging Performance                                                     1 h4 h4: 1
High Temperature Discharge  Performance-25° C~70° C / 104 % (500° C max)  -20° C~45° C  / 80%  (200° C max)  1.3: 1
  Self discharge monthly  <   3 %  > 10 %  3: 1
SafetyVery stable liFePO4 Structure  Good safty  safest
  EnvironmentalGreen  PolutionZero emission
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Ms. Jessica Gong
Export Sales engineer
To: Ms. Jessica Gong

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