Description

The Samsung INR21700-40T with tabs is a high-performance rechargeable lithium-ion battery engineered for high-drain applications requiring both strong output and reliable capacity. With a nominal voltage of 3.6V and a capacity of 4000mAh, this tabbed cell delivers excellent energy density and consistent performance.

Equipped with pre-attached tabs for easier integration into custom battery packs and welded assemblies, the 40T is ideal for power tools, electric mobility devices, industrial equipment, and other high-performance electronics. It is widely recognized for its 35A continuous discharge capability and dependable cycle life.

Specifications

Brand:	Samsung
Model:	INR21700-40T (w/ Tabs)
Chemistry:	Lithium-Ion (INR / LiNiMnCoO2)
Nominal Capacity:	4000 mAh
Open Circuit Voltage:	4.20 Volt (fully charged)
Nominal Voltage:	3.6 Volt
Nominal Energy:	14.4 Wh
Pulse Capability:	Typically up to 45 A
Max Recommended Continuous Current:	35 A
Storage Temp:	0°C to +25°C recommended
Operating Temperature Range:	Charge: 0°C to +45°C / Discharge: -20°C to +60°C

Features

Key Features:

• High-drain 21700 lithium-ion battery
• 4000mAh capacity with strong power output
• 35A continuous discharge capability
• Pre-attached tabs for battery pack assembly and spot welding
• Reliable cycle life and stable discharge performance
• Ideal for power tools, EV applications, and custom battery packs
• High energy density in 21700 format
• Rechargeable lithium-ion chemistry

COMPATIBILITY

Also Known As:

• INR21700-40T
• Samsung 40T w/ Tabs
• 21700 4000mAh Battery
• 3.6V 21700 Battery
• High Drain 21700 Battery
• 21700 Tabbed Battery
• Rechargeable 21700 Battery
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