18650 3.2V 1500-1800mAh LiFePO4 Rechargeable Battery

Rechargeable LFP Cylindrical Lithium Ion Battery

$3.00

Key Features:

  • Standard 18650 Size: 18.5×67.5mm, compatible with most holders/devices, easy to install and replace

  • Stable Capacity: 1500-1800mAh, 3.2V nominal voltage, flat discharge curve for stable power

  • Advanced LiFePO4: High thermal stability (350-500℃ decomposition), no fire/explosion risk in extreme conditions

  • Long Cycle Life: ≥2000 cycles (80% DOD), 10-year service life, reducing replacement cost

  • Wide Temperature Adaptability: -20℃~60℃ discharge range, suitable for harsh environments

  • No Memory Effect: Charge at any state, convenient and extends battery life

  • Eco-Friendly & Safe: Non-toxic, no heavy metals, compliant with RoHS standards

  • Fast Charge: 1.5C available, fully charged within 40 minutes, improving efficiency

Core Advantages:

  • Superior Safety: Safer than ternary lithium batteries, avoids thermal runaway, with optional overcharge/over-discharge/short-circuit protection (PCB) for long-term use.

  • Cost-Effective: High cycle life and low self-discharge (≤3%/month at 25℃), reducing long-term operation and maintenance costs.

  • Strong Compatibility: Flexible series/parallel combination for higher voltage/capacity, widely applicable to various devices and systems.

  • High Consistency: Strict production control and 100% pre-delivery inspection ensure stable performance of each cell.

  • Durable Structure: Steel casing resists 1.2MPa internal pressure, anti-puncture/impact, suitable for industrial and outdoor use.

  • Certified Quality: Passes RoHS, CE, UN38.3, meets global export standards, safe for shipment and use.

Rechargeable Cylindrical Battery structure drawing

Applications:

  • Energy Storage Systems: Solar/wind power storage, UPS uninterruptible power supply, backup power for telecom and home use

  • Electric Tools: Wireless electric drills, weeders, grinders and other high-power portable electric tools

  • Light Electric Vehicles: Electric bicycles, golf trolleys, electric wheelchairs, electric scooters and recreational vehicles

Parameter

Detail

Battery Type

18650 Cylindrical LiFePO4 Rechargeable Battery

Nominal Voltage

3.2V

Capacity Range

1500mAh - 1800mAh (3.2V, 0.2C discharge)

Charge Method

CC/CV (Constant Current/Constant Voltage), Standard 0.5C charge, Fast 1.5C charge available

Charge Voltage

3.65V ± 0.05V

Discharge Cut-off Voltage

2.0V - 2.5V

Max Continuous Discharge Current

3C (4.5A - 5.4A)

Cycle Life

≥2000 cycles (80% DOD), ≥3000 cycles (1C, 80% DOD) for premium version

Operating Temperature

Charge: 0℃ - 45℃; Discharge: -20℃ - 60℃

Storage Temperature

-20℃ - 50℃ (≤1 year, 50% SOC)

Internal Resistance

≤140mΩ (25℃)

Certifications

RoHS, CE, UN38.3, IEC 62133, UL 1642

The 18650 3.2V 1500-1800mAh LiFePO4 Rechargeable Battery is a high-performance cylindrical lithium iron phosphate battery, designed for reliable, long-cycle energy storage and power supply. Adopting advanced LiFePO4 chemistry, it features excellent safety, stable discharge performance and environmental friendliness, perfectly compatible with various 3.2V electronic devices and systems. With standardized 18650 size, it supports flexible series/parallel combination, widely used in commercial, industrial and consumer electronics fields, providing cost-effective and durable power solutions for global customers.

Production Facility

workshop battery production plant

Package

cylindrical battery show

Transportation

shipping

Certification

company certification

Exhibitions

exhibition