
Samsung 40T 21700 4000mAh 35A Battery
Key Features
- 4000mAh Nominal Capacity: High energy density for extended runtime in demanding systems.
- 35A Continuous Discharge: Engineered to support sustained high-current applications.
- 21700 Cell Format: Larger form factor improves thermal performance and efficiency.
- Flat Top Terminal: Designed for battery pack assembly and professional integration.
- Rechargeable Lithium-Ion Chemistry: Stable voltage delivery with long cycle life.
Overview
The Samsung 40T 21700 lithium-ion battery is built for high-performance applications requiring both capacity and power. Offering a 4000mAh nominal capacity with a 35A continuous discharge rating, this cell delivers reliable energy output under heavy load conditions. Its flat top construction makes it suitable for protected battery packs and advanced power assemblies.
Applications / Uses
- Electric mobility battery systems
- Power tool battery packs
- Industrial energy storage solutions
- High-output portable equipment
- Custom lithium-ion battery assemblies
SPECIFICATIONS
| Manufacturer: | Samsung SDI |
| Model: | INR21700-40T |
| Battery Size: | 21700 |
| Positive Terminal: | Flat Top |
| Nominal Capacity: | 4000mAh |
| Max Continuous Discharge: | 35A |
| Nominal Voltage: | 3.6V |
| Maximum Voltage: | 4.2V |
| Discharge Cut-Off Voltage: | 2.5V |
| Protected: | No, unprotected |
| Rechargeable: | Yes |
| Approx. Dimensions: | 21.1mm × 70.4mm |
| Approx. Weight: | 66.8g |
| Data Specification Sheet: | Samsung 40T Datasheet |
Key Features
- 4000mAh Nominal Capacity: High energy density for extended runtime in demanding systems.
- 35A Continuous Discharge: Engineered to support sustained high-current applications.
- 21700 Cell Format: Larger form factor improves thermal performance and efficiency.
- Flat Top Terminal: Designed for battery pack assembly and professional integration.
- Rechargeable Lithium-Ion Chemistry: Stable voltage delivery with long cycle life.
Overview
The Samsung 40T 21700 lithium-ion battery is built for high-performance applications requiring both capacity and power. Offering a 4000mAh nominal capacity with a 35A continuous discharge rating, this cell delivers reliable energy output under heavy load conditions. Its flat top construction makes it suitable for protected battery packs and advanced power assemblies.
Applications / Uses
- Electric mobility battery systems
- Power tool battery packs
- Industrial energy storage solutions
- High-output portable equipment
- Custom lithium-ion battery assemblies
SPECIFICATIONS
| Manufacturer: | Samsung SDI |
| Model: | INR21700-40T |
| Battery Size: | 21700 |
| Positive Terminal: | Flat Top |
| Nominal Capacity: | 4000mAh |
| Max Continuous Discharge: | 35A |
| Nominal Voltage: | 3.6V |
| Maximum Voltage: | 4.2V |
| Discharge Cut-Off Voltage: | 2.5V |
| Protected: | No, unprotected |
| Rechargeable: | Yes |
| Approx. Dimensions: | 21.1mm × 70.4mm |
| Approx. Weight: | 66.8g |
| Data Specification Sheet: | Samsung 40T Datasheet |
Description
Key Features
- 4000mAh Nominal Capacity: High energy density for extended runtime in demanding systems.
- 35A Continuous Discharge: Engineered to support sustained high-current applications.
- 21700 Cell Format: Larger form factor improves thermal performance and efficiency.
- Flat Top Terminal: Designed for battery pack assembly and professional integration.
- Rechargeable Lithium-Ion Chemistry: Stable voltage delivery with long cycle life.
Overview
The Samsung 40T 21700 lithium-ion battery is built for high-performance applications requiring both capacity and power. Offering a 4000mAh nominal capacity with a 35A continuous discharge rating, this cell delivers reliable energy output under heavy load conditions. Its flat top construction makes it suitable for protected battery packs and advanced power assemblies.
Applications / Uses
- Electric mobility battery systems
- Power tool battery packs
- Industrial energy storage solutions
- High-output portable equipment
- Custom lithium-ion battery assemblies
SPECIFICATIONS
| Manufacturer: | Samsung SDI |
| Model: | INR21700-40T |
| Battery Size: | 21700 |
| Positive Terminal: | Flat Top |
| Nominal Capacity: | 4000mAh |
| Max Continuous Discharge: | 35A |
| Nominal Voltage: | 3.6V |
| Maximum Voltage: | 4.2V |
| Discharge Cut-Off Voltage: | 2.5V |
| Protected: | No, unprotected |
| Rechargeable: | Yes |
| Approx. Dimensions: | 21.1mm × 70.4mm |
| Approx. Weight: | 66.8g |
| Data Specification Sheet: | Samsung 40T Datasheet |





















