NR21700-30SG 21700 Cylindrical Cells 3.6V 30A Rechargeable Li-ion Battery

The INR21700-30SG battery is a high-performance rechargeable Li-ion power cell designed for long-lasting power supply and reliable performance. With a capacity of 3000mAh and a maximum continuous discharge rate of 30A, this battery is ideal for medium to heavy-duty applications, providing stable performance and long service life.
Battery Characteristics
Specification Value
Voltage Capacity: Typical 3000mAh
Cell Voltage: Nominal 3.6V, Charge: 4.2V, Discharge: 2.5V
Continuous Charge Current: Standard 1.5A, Maximum 6A
Continuous Discharge Current: Maximum 30A
Ambient Temperature: Charge: 0-50℃
Discharge: -20-75℃
Resistance: ≤15mΩ
Weight: 69g
Dimensions: 70.3mm (Max) * 21.3mm (Max)
Cycle Life: 300 Cycles (70%)
Key Features

Large Capacity: 3000mAh provides longer runtime before recharging
High Discharge Rate: 30A continuous discharge, ideal for medium to high power consumption devices
Lithium ionic chemistry: ensures stability, efficiency and low internal resistance
Rechargeable and durable: supports multiple charge cycles with minimal degradation
Output stability: stable voltage curve during discharge ensures constant power
Compact 21700 size: Universal compatibility with a variety of electronic devices

Applications

Flashlights: Ideal for high-output LED flashlights that require constant power

Medical devices: Reliable power supply for essential equipment

Portable batteries and backup systems: Supports portable power solutions

Lightweight power equipment: Auxiliary power for robot vacuum cleaners, electric bicycles, scooters and fishing boats

Power tools: High pulse power for drills, angle grinders, electric saws and other high-current tools