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INR18650R25SS 3.6V 2500mAh 20A High-Power 18650 Lithium-Ion Battery for Electric Tools
INR18650R25SS 3.6V 2500mAh 20A High-Power 18650 Lithium-Ion Battery for Electric Tools
INR18650R25SS 3.6V 2500mAh 20A High-Power 18650 Lithium-Ion Battery for Electric Tools
INR18650R25SS 3.6V 2500mAh 20A High-Power 18650 Lithium-Ion Battery for Electric Tools
Specifications
Brand Name :
OiD
Model Number :
INR18650R25SS
Certification :
Compliant with IEC 62133，UN38.3，REACH
Place of Origin :
China
MOQ :
100pcs
Price :
$0.5 ~ $100.0 / pcs
Payment Terms :
TT,L/C,Western Union
Supply Ability :
1000000
Delivery Time :
3 ~ 7 days for storage
Packaging Details :
Carton
Name :
18650 Battery
Battery Type :
2500mAh Rechargeable
ODM :
Free custom design for packs
Cathode :
NMC/NCA
Industry-Leading Energy Density :
250-300Wh/kg
High Discharge Rate :
20A Continuous current
Cost-Effective & Mass-Produced :
Most widely produced lithium-ion cell
Standard Design :
Lightweight & Space-Efficient Design
Description
INR18650R25SS 3.6V 2500mAh 20A High-Power 18650 Lithium-Ion Battery for Electric Tools
INR18650R25SS 3.6V 2500mAh 20A High-Power 18650 Lithium-Ion Battery
The INR18650R25SS lithium-ion cylindrical cell is a 3.6V 2500mAh high-rate 18650 battery designed for electric tools and other high-power applications requiring stable performance under continuous heavy load. It supports 20A continuous discharge, delivers ≥500 cycles at 80% capacity retention, and maintains reliable operation from -20°C to 60°C. With low internal resistance, robust structure, and internationally recognized certifications, this cell is suitable for professional equipment, industrial OEM integration, and power systems where safety and durability are critical.

Key Advantages
  • Designed for high-power applications with 20A continuous discharge capability
  • Stable lifecycle performance, supporting ≥500 cycles under standard test conditions
  • Low internal resistance (≤18mΩ) enabling efficient current delivery and reduced heating
  • Wide operating temperature range ensuring reliability in demanding working environments
  • Certified and compliant with UN38.3, UL, IEC/CE, KC, RoHS, and MSDS standards
  • Suitable for OEM engineering integration, supporting consistent electrical behavior and predictable design performance

Product Specifications
Model INR18650R25SS (18650-25R)
Chemistry Lithium-Ion
Nominal Voltage 3.6V
Capacity 2500mAh
Standard Charge Current 0.2C (500mA)
Max Charge Current 1C (2500mA)
Max Continuous Discharge Current 20A
Discharge Cut-off Voltage 2.5V
Charge Cut-off Voltage 4.2V
Internal Resistance ≤18mΩ
Weight 45g
Dimensions 18mm * 65mm (Diameter * Height)
Cycle Life
Standard Cycle (0.2C) ≥500 cycles (≥80% capacity retention)
Operating Temperature Range
Charging 0°C to 45°C
Discharging -20°C to 60°C
Storage -20°C to 50°C
Certifications
UN38.3, KC, UL, IEC/CE, RoHS, MSDS

Performance & Reliability
  • 20A continuous discharge validation confirming suitability for high-load electric applications
  • Thermal stability performance verified under extended discharge conditions
  • Cycle reliability maintaining ≥80% capacity after ≥500 standard charge-discharge cycles
  • Structural durability supporting vibration, handling, and assembly environments
  • Global compliance safety tested, ensuring safe logistics, handling, and integration
Applications
  • Electric tools (drills, saws, screwdrivers, grinders)
  • High-power handheld devices
  • Industrial portable equipment
  • High-drain flashlights and specialty lighting
  • Vaping and power-demanding consumer devices
  • OEM battery packs and power modules
Usage Warnings & Precautions
  • Do not exceed the specified charging or discharging current
  • Avoid short-circuiting the terminals
  • Do not immerse in water or expose to excessive moisture
  • Use within defined temperature limits
  • Install in properly designed battery packs with suitable protection systems
Storage Guidelines
  • Store at 30-50% state of charge
  • Recommended storage in a cool, dry environment ≤50°C
  • Recharge at least once every 6 months for long-term storage
  • Avoid prolonged exposure to direct sunlight or heat sources
Warranty & Disclaimer
12-month warranty against manufacturing defects from shipment date. Warranty does not cover misuse, improper installation, or unauthorized modification. Final performance depends on actual application design and operating conditions.
Comparison vs Standard 18650 Cells
Aspect INR18650R25SS Generic 18650 Cell
Discharge Capability 20A continuous Typically 5-10A
Cycle Life ≥500 cycles Typically lower
Internal Resistance ≤18mΩ Higher and unstable
Temperature Range -20°C to 60°C Often limited
Certifications Full international certification Often partial
Application Focus Professional and industrial General consumer use
Product Images
INR18650R25SS 3.6V 2500mAh 20A High-Power 18650 Lithium-Ion Battery for Electric Tools INR18650R25SS 3.6V 2500mAh 20A High-Power 18650 Lithium-Ion Battery for Electric Tools
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INR18650R25SS 3.6V 2500mAh 20A High-Power 18650 Lithium-Ion Battery for Electric Tools

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Product Detail
Brand Name :
OiD
Model Number :
INR18650R25SS
Certification :
Compliant with IEC 62133，UN38.3，REACH
Place of Origin :
China
MOQ :
100pcs
Price :
$0.5 ~ $100.0 / pcs
Contact Supplier
INR18650R25SS 3.6V 2500mAh 20A High-Power 18650 Lithium-Ion Battery for Electric Tools
INR18650R25SS 3.6V 2500mAh 20A High-Power 18650 Lithium-Ion Battery for Electric Tools

Shenzhen Jianheng Technology Co., Ltd.

Verified Supplier
2 Years
shenzhen
Since 2020
Business Type :
Manufacturer, Distributor/Wholesaler
Main Products :
Lithium Ion Battery, LiFePo4 Battery, Solid State Battery
Total Annual :
15000000-20000000
Employee Number :
300~500
Certification Level :
Verified Supplier
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