Last updated at 18/07/2026 17:10:06
Original 21700 Lithium-Ion Battery 4.0Ah INR21700-40T 4000mAh 30A High Discharge Large Capacity for
Free delivery
4000mah 3.7V 70g 30A 40T 21700 Li-ion Rechargeable Battery , High Discharge/High Capacity 3.7V 21700
Free delivery
Original Battery 21700 4.0Ah INR21700-40T 4000mAh 30A 40T 3.7V High Discharge/large Capacity
Free delivery
40T 21700 4000mAh 35A Rechargeable Li-ion Battery
Delivery $5.98
40T 21700 4000mAh 35A Rechargeable Li-ion Battery
Delivery $5.95
21700 Li-ion batteries 40T 21700 4000mAh 35A Battery
Delivery $5.95
[4 Pack] Samsung INR21700-40T 4000mAh 35A High-Drain Li-ion Battery Cell - Flat Top, Rechargeable with Protection Circuit
Delivery $6.95
40T 21700 4000mAh 35A Rechargeable Li-ion Battery
Delivery between 23–31 July $5.98
21700 Li-ion Batteries 4000mAh 35A - High Capacity Power
Delivery between 23–31 July $5.98
21700 Li-ion batteries 40T 21700 4000mAh 35A Battery
Delivery $6.98
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 |
Original 21700 Lithium-Ion Battery 4.0Ah INR21700-40T 4000mAh 30A High Discharge Large Capacity for
Free delivery
4000mah 3.7V 70g 30A 40T 21700 Li-ion Rechargeable Battery , High Discharge/High Capacity 3.7V 21700
Free delivery
Original Battery 21700 4.0Ah INR21700-40T 4000mAh 30A 40T 3.7V High Discharge/large Capacity
Free delivery
40T 21700 4000mAh 35A Rechargeable Li-ion Battery
Delivery $5.98
40T 21700 4000mAh 35A Rechargeable Li-ion Battery
Delivery $5.95
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 |
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 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 13 offers
The lowest price for 40T 21700 4000mAh 35A Li-ion Battery - AfterPay & zipPay Available right now is $5.91 at AliExpress.com - AliExpress-226247430, compared across 8 retailers.
The all-time low was $3.96 on 10 July 2026 — today's price is 49% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 18 July 2026.
