Summary of 18650 1500mAh 15C 18650 Li-ion Battery​

This  battery is a high-drain rechargeable cell designed for applications that require strong, stable current output in a compact form factor. With a nominal voltage of 3.7V and a continuous discharge capability of up to 22.5A, it delivers reliable performance under heavy loads while maintaining low internal resistance and good thermal stability. Supporting over 500 charge cycles (up to 1000 with proper use), this battery balances durability, safety, and efficiency, making it an eco-friendly alternative to disposable cells. Its high C-rating makes it ideal for power tools, drones, e-bikes, RC vehicles, and other devices that demand rapid current bursts and consistent voltage under load.

37V 1500mAh 18650 Li Ion Rechargeable Battery​ Specification

Model: Li ion 18650 Battery​

Rated Capacity: 1500mAh

Energy: 5.55Wh

Energy Density: 142.31Wh/kg

Minimum Capacity: 1480mAh

Rated voltage: 3.7V

Discharge Cut-off Voltage: 2.75V

Charge Cut-off Voltage: 4.2V

Cycle Life: More than 500 cycles

Dimensions: Φ18*65mm

Weight: 39g

Internal Resistance: Less than 17mΩ

Standard Discharge Current: 0.2C (300mA)

Standard Charge Current: 0.2C (300mA)

Max Continuous Discharge Rate: 15C (22.5A)

Max Continuous Charge Current: 1C (1.5A)

Charging Temperature: 0 to 45℃;

Discharge Temperature: -20 to 65℃

Storage Temperature:

• -20℃~25℃: 12 months
• -20℃~45℃: 3 months
• -20℃~60 ℃: 1 month

Key Features – 18650 Flat Top Battery​ 1500mAh

🌱 Eco-Friendly

Reusability significantly reduces waste and long-term costs.

✅High-Current Output (22.5A Continuous)

Supports motorized and pulse-load devices with minimal voltage drop.

🔁 Rechargeable with Long Life

Up to 1000 charge cycles depending on usage and charging behavior.

⚖️ Compact Yet Powerful

Fits in standard 18650 holders and packs while providing industrial-grade performance.

Stable Chemistry (ICR)

Delivers excellent thermal performance and internal resistance for high-drain usage.

❓ FAQ – Frequently Asked Questions

Q1: What does 15C battery mean?

A: 15C battery means it can safely discharge current at 15 times its rated capacity. For a 1500mAh battery, this equals a continuous discharge current of 22.5A (1.5A × 15).

Q2: Is 15C enough for airsoft?

Q3: How do you wake up a dead lithium battery?

Q5: What are common voltage problems with 18650s?

Battery 18650 Battery​ Cell List