Consider Your Options｜ Other Products ｜Molicel M65A 21700 6500mAh 26A Battery

Key Features

6500mAh High Capacity: Typical capacity of 6500mAh (23.4Wh) with a minimum rated capacity of 6400mAh, delivering reliable extended runtime in demanding applications.

High-Output Performance: 26A continuous discharge capability (with 90°C surface temperature cut-off) for sustained power delivery across advanced high-drain systems.

Exceptional Energy Density: Gravimetric energy density of 322 Wh/kg and volumetric energy density of 943 Wh/L, placing the M65A among the most energy-dense cylindrical 21700 cells available.

Low Impedance Design: AC impedance of ≤14.5mΩ at 30% SOC and DC impedance of ≤25mΩ at 50% SOC for efficient energy transfer and reduced heat generation under load.

Professional Integration Cell: Unprotected cylindrical steel-can construction designed for full control through external Battery Management Systems in professional pack assemblies.

Overview
The Molicel INR-21700-M65A is a premium high-energy lithium-ion battery cell engineered for advanced mobility, industrial, and energy storage applications where maximum capacity and energy density are the primary design requirements. Delivering a typical capacity of 6500mAh at a nominal voltage of 3.6V, the M65A achieves a gravimetric energy density of 322 Wh/kg and a volumetric energy density of 943 Wh/L — specifications that position it at the leading edge of cylindrical 21700 cell development. A 26A continuous discharge rating, wide operating temperature range of -30°C to 60°C for discharge, and a standard charge time of 1.75 hours at 6.5A make the M65A a well-rounded choice for professional battery pack designers requiring both exceptional energy storage and reliable real-world performance. Its cylindrical steel-can construction and unprotected flat-top format are intended for integration into professionally engineered packs equipped with appropriate BMS protection and thermal management systems. Manufactured by E-One Moli Energy, the INR-21700-M65A is backed by Molicel's established reputation for high-quality cylindrical lithium-ion cell production.
Applications / Uses

Electric vehicles and high-energy mobility platforms requiring maximum range per cell
Professional battery pack manufacturing and advanced energy storage system design
Industrial and heavy-duty equipment where high capacity and energy density reduce system weight
Robotics and automation systems requiring reliable, high-capacity lithium-ion cells
Backup power systems and portable energy storage applications demanding extended runtime

Specifications

Brand:
Molicel

Model:
INR-21700-M65A

Battery Type:
21700 Lithium-Ion (INR)

Typical Capacity:
6500mAh (23.4Wh)

Minimum Capacity:
6400mAh (23.0Wh)

Nominal Voltage:
3.6V

Full Charge Voltage:
4.2V

Discharge Cutoff Voltage:
2.5V

Max Continuous Discharge:
26A (90°C surface cut-off)

Standard Charge Current:
6.5A

Standard Charge Time:
1.75 hours

AC Impedance (30% SOC):
≤14.5mΩ

DC Impedance (50% SOC):
≤25mΩ

Gravimetric Energy Density:
322 Wh/kg

Volumetric Energy Density:
943 Wh/L

Charge Temperature:
0°C to 60°C

Discharge Temperature:
-30°C to 60°C

Shape:
Cylindrical

Can Material:
Steel

Battery Top:
Flat Top

Protected:
No

Diameter:
21.70mm (Max)

Height:
71.00mm (Max)

Weight:
74.5g (Max)

View the Molicel INR-21700-M65A Data Specification Sheet
Brand:MolicelCategory:21700 BatteriesSKU:MOLI-M65A