The INR21700-40T provides excellent power output and long-lasting performance due to its advanced lithium-ion chemistry and high energy density. Its cylindrical shape with a diameter of 21mm and a length of 70mm makes it compatible with various devices requiring this form factor. 21700 Li-ion batteries are high capacity and high discharge batteries commonly used in devices such as flashlights, electronics, laptops, vaping and even some electric vehicles use 21700 Batteries. Model: Samsung 40T Voltage: 3.6V Rechargeable: Yes Nominal capacity: 4000mAh Discharge: 35A Diameter: 21.1mm Height: 70.4mm IEC: 21700 Chemistry: Li-Ion Commonly Known As: * 40T 21700, Samsung 40T 21700The INR21700-40T provides excellent power output and long-lasting performance due to its advanced lithium-ion chemistry and high energy density. Its cylindrical shape with a diameter of 21mm and a length of 70mm makes it compatible with various devices requiring this form factor. 21700 Li-ion batteries are high capacity and high discharge batteries commonly used in devices such as flashlights, electronics, laptops, vaping and even some electric vehicles use 21700 Batteries. Model: Samsung 40T Voltage: 3.6V Rechargeable: Yes Nominal capacity: 4000mAh Discharge: 35A Diameter: 21.1mm Height: 70.4mm IEC: 21700 Chemistry: Li-Ion Commonly Known As: * 40T 21700, Samsung 40T 21700 |
The INR21700-40T provides excellent power output and long-lasting performance due to its advanced lithium-ion chemistry and high energy density. Its cylindrical shape with a diameter of 21mm and a length of 70mm makes it compatible with various devices requiring this form factor. 21700 Li-ion batteries are high capacity and high discharge batteries commonly used in devices such as flashlights, electronics, laptops, vaping and even some electric vehicles use 21700 Batteries. Model: Samsung 40T Voltage: 3.6V Rechargeable: Yes Nominal capacity: 4000mAh Discharge: 35A Diameter: 21.1mm Height: 70.4mm IEC: 21700 Chemistry: Li-Ion Commonly Known As: * 40T 21700, Samsung 40T 21700The INR21700-40T provides excellent power output and long-lasting performance due to its advanced lithium-ion chemistry and high energy density. Its cylindrical shape with a diameter of 21mm and a length of 70mm makes it compatible with various devices requiring this form factor. 21700 Li-ion batteries are high capacity and high discharge batteries commonly used in devices such as flashlights, electronics, laptops, vaping and even some electric vehicles use 21700 Batteries. Model: Samsung 40T Voltage: 3.6V Rechargeable: Yes Nominal capacity: 4000mAh Discharge: 35A Diameter: 21.1mm Height: 70.4mm IEC: 21700 Chemistry: Li-Ion Commonly Known As: * 40T 21700, Samsung 40T 21700 |
in 23 offers
last seen 2 Aug 2026
The lowest price we last saw for 40T 21700 4000mAh 35A Li-ion Battery - AfterPay & zipPay Available was $11.00 at Marsen Energy, compared across 15 retailers (last seen 2 Aug 2026). Prices may have changed since.
40T 21700 4000mAh 35A Li-ion Battery - AfterPay & zipPay Available
The INR21700-40T provides excellent power output and long-lasting performance due to its advanced lithium-ion chemistry and high energy density. Its cylindrical shape with a diameter of 21mm and a length of 70mm makes it compatible with various devices requiring this form factor. 21700 Li-ion batteries are high capacity and high discharge batteries commonly used in devices such as flashlights, electronics, laptops, vaping and even some electric vehicles use 21700 Batteries. Model: Samsung 40T Voltage: 3.6V Rechargeable: Yes Nominal capacity: 4000mAh Discharge: 35A Diameter: 21.1mm Height: 70.4mm IEC: 21700 Chemistry: Li-Ion Commonly Known As: * 40T 21700, Samsung 40T 21700The INR21700-40T provides excellent power output and long-lasting performance due to its advanced lithium-ion chemistry and high energy density. Its cylindrical shape with a diameter of 21mm and a length of 70mm makes it compatible with various devices requiring this form factor. 21700 Li-ion batteries are high capacity and high discharge batteries commonly used in devices such as flashlights, electronics, laptops, vaping and even some electric vehicles use 21700 Batteries. Model: Samsung 40T Voltage: 3.6V Rechargeable: Yes Nominal capacity: 4000mAh Discharge: 35A Diameter: 21.1mm Height: 70.4mm IEC: 21700 Chemistry: Li-Ion Commonly Known As: * 40T 21700, Samsung 40T 21700 |
The INR21700-40T provides excellent power output and long-lasting performance due to its advanced lithium-ion chemistry and high energy density. Its cylindrical shape with a diameter of 21mm and a length of 70mm makes it compatible with various devices requiring this form factor. 21700 Li-ion batteries are high capacity and high discharge batteries commonly used in devices such as flashlights, electronics, laptops, vaping and even some electric vehicles use 21700 Batteries. Model: Samsung 40T Voltage: 3.6V Rechargeable: Yes Nominal capacity: 4000mAh Discharge: 35A Diameter: 21.1mm Height: 70.4mm IEC: 21700 Chemistry: Li-Ion Commonly Known As: * 40T 21700, Samsung 40T 21700The INR21700-40T provides excellent power output and long-lasting performance due to its advanced lithium-ion chemistry and high energy density. Its cylindrical shape with a diameter of 21mm and a length of 70mm makes it compatible with various devices requiring this form factor. 21700 Li-ion batteries are high capacity and high discharge batteries commonly used in devices such as flashlights, electronics, laptops, vaping and even some electric vehicles use 21700 Batteries. Model: Samsung 40T Voltage: 3.6V Rechargeable: Yes Nominal capacity: 4000mAh Discharge: 35A Diameter: 21.1mm Height: 70.4mm IEC: 21700 Chemistry: Li-Ion Commonly Known As: * 40T 21700, Samsung 40T 21700 |
The all-time low we recorded was $3.96 on 10 July 2026.
Prices last updated 2 Aug 2026.
Last updated at 02/08/2026 21:28:31
Samsung 40T 21700 4000mAh 35A Lithium-Ion Battery
Original 21700 Lithium-Ion Battery 4.0Ah INR21700-40T 4000mAh 30A High Discharge Large Capacity for
Free delivery
Samsung 40T 21700 4000mAh 35A Li-Ion | BuzzFPV
Free standard shipping on orders over $250 AUD
40T 21700 4000mAh 35A Rechargeable Li-ion Battery
Delivery $5.98
40T 21700 4000mAh 35A Rechargeable Li-ion Battery
Delivery $5.98
40T 21700 4000mAh 35A Rechargeable Li-ion Battery
Delivery $5.98
40T 21700 4000mAh 35A Rechargeable Li-ion Battery
Delivery $5.95
40T 21700 4000mAh Li-ion Rechargeable Battery - 35A Power
Delivery between 6–14 Aug $5.98
21700 Li-ion batteries 40T 21700 4000mAh 35A Battery
Delivery $6.98
21700 Li-ion batteries 40T 21700 4000mAh 35A Battery
Delivery between 5–13 Aug $10
originally posted on temu.com
Received product in good condition, yet to test the battery.
originally posted on ausbatteries.com
Awesome original batteries
originally posted on ausbatteries.com
Excellent product. Shipping was very fast. Got it as a spare for my 21700 torch and now have it charged ready to do its job. Overall excellent service many thanks.
| Voltage | 3.6V |
| Nominal capacity | 4000mAh |
| Discharge | 35A |
Samsung 40T 21700 4000mAh 35A Lithium-Ion Battery
Original 21700 Lithium-Ion Battery 4.0Ah INR21700-40T 4000mAh 30A High Discharge Large Capacity for
Free delivery
Samsung 40T 21700 4000mAh 35A Li-Ion | BuzzFPV
Free standard shipping on orders over $250 AUD
40T 21700 4000mAh 35A Rechargeable Li-ion Battery
Delivery $5.98
40T 21700 4000mAh 35A Rechargeable Li-ion Battery
Delivery $5.98
Received product in good condition, yet to test the battery.
Awesome original batteries
Excellent product. Shipping was very fast. Got it as a spare for my 21700 torch and now have it charged ready to do its job. Overall excellent service many thanks.
Purchased 2 x Samsung 40T 21700 and repaired my defective Procore 18v 8Ah battery. My battery was near new and two cells failed, but now is repaired and as good as new.
Works very well, would purchase again
| Voltage | 3.6V |
| Nominal capacity | 4000mAh |
| Discharge | 35A |