High-performance SDI 10C 45A INR21700 40T lithium-ion battery with 4000mAh capacity and 3.6V output, designed for high-drain devices.
Premium Samsung SDI cells ensure stable power delivery and extended cycle life, ideal for power tools, electric vehicles, and energy storage systems.
Advanced safety features include overcharge protection and thermal stability, making it reliable for industrial and consumer applications.
Ultra-low internal resistance maximizes efficiency, suitable for high-demand scenarios like vaping mods and portable medical devices.
Globally sourced at wholesale prices, offering unmatched value for bulk buyers needing dependable, high-capacity rechargeable batteries.






























Recent Purchase
mxy***
Compatible Model:For battery pack;Nominal Capacity:4000mAh;Nominal Voltage:3.6V;Battery Type:Lithium Battery Rechargeable;
$40.75
29 days ago
kkn***
Compatible Model:For battery pack;Nominal Capacity:4000mAh;Nominal Voltage:3.6V;Battery Type:Lithium Battery Rechargeable;
$73.35
22 days ago
ouf***
Compatible Model:For battery pack;Nominal Capacity:4000mAh;Nominal Voltage:3.6V;Battery Type:Lithium Battery Rechargeable;
$81.50
5 days ago
kat***
Compatible Model:For battery pack;Nominal Capacity:4000mAh;Nominal Voltage:3.6V;Battery Type:Lithium Battery Rechargeable;
$57.05
49 days ago
hvh***
Compatible Model:For battery pack;Nominal Capacity:4000mAh;Nominal Voltage:3.6V;Battery Type:Lithium Battery Rechargeable;
$48.90
2 days ago
ero***
Compatible Model:For battery pack;Nominal Capacity:4000mAh;Nominal Voltage:3.6V;Battery Type:Lithium Battery Rechargeable;
$81.50
8 days ago
ojn***
Compatible Model:For battery pack;Nominal Capacity:4000mAh;Nominal Voltage:3.6V;Battery Type:Lithium Battery Rechargeable;
$97.80
40 days ago
byd***
Compatible Model:For battery pack;Nominal Capacity:4000mAh;Nominal Voltage:3.6V;Battery Type:Lithium Battery Rechargeable;
$130.40
13 days ago
myd***
Compatible Model:For battery pack;Nominal Capacity:4000mAh;Nominal Voltage:3.6V;Battery Type:Lithium Battery Rechargeable;
$32.60
40 days ago
slg***
Compatible Model:For battery pack;Nominal Capacity:4000mAh;Nominal Voltage:3.6V;Battery Type:Lithium Battery Rechargeable;
$89.65
42 days ago
nws***
Compatible Model:For battery pack;Nominal Capacity:4000mAh;Nominal Voltage:3.6V;Battery Type:Lithium Battery Rechargeable;
$40.75
43 days ago
vlf***
Compatible Model:For battery pack;Nominal Capacity:4000mAh;Nominal Voltage:3.6V;Battery Type:Lithium Battery Rechargeable;
$130.40
15 days ago
tqy***
Compatible Model:For battery pack;Nominal Capacity:4000mAh;Nominal Voltage:3.6V;Battery Type:Lithium Battery Rechargeable;
$48.90
30 days ago
ysd***
Compatible Model:For battery pack;Nominal Capacity:4000mAh;Nominal Voltage:3.6V;Battery Type:Lithium Battery Rechargeable;
$73.35
28 days ago
xux***
Compatible Model:For battery pack;Nominal Capacity:4000mAh;Nominal Voltage:3.6V;Battery Type:Lithium Battery Rechargeable;
$89.65
10 days ago
sxi***
Compatible Model:For battery pack;Nominal Capacity:4000mAh;Nominal Voltage:3.6V;Battery Type:Lithium Battery Rechargeable;
$65.20
16 days ago
xyd***
Compatible Model:For battery pack;Nominal Capacity:4000mAh;Nominal Voltage:3.6V;Battery Type:Lithium Battery Rechargeable;
$163.00
46 days ago
lxr***
Compatible Model:For battery pack;Nominal Capacity:4000mAh;Nominal Voltage:3.6V;Battery Type:Lithium Battery Rechargeable;
$138.55
29 days ago
qcm***
Compatible Model:For battery pack;Nominal Capacity:4000mAh;Nominal Voltage:3.6V;Battery Type:Lithium Battery Rechargeable;
$24.45
5 days ago
gne***
Compatible Model:For battery pack;Nominal Capacity:4000mAh;Nominal Voltage:3.6V;Battery Type:Lithium Battery Rechargeable;
$122.25
43 days ago
View All
Customer Reviews

SDI 10C 45A High Discharge INR21700 40T 3.6V 4000mAh Rechargeable Li-ion Battery For SAMSUN G 40T 21700
$4.4$8.15-46.01%
Compatible Model:
For battery pack
Nominal Voltage:
3.6V
Nominal Capacity:
4000mAh
Battery Type:
Lithium Battery Rechargeable
Quantity:
Add to Cart
Wishlist
Features
See More