High-capacity 21700 lithium-ion battery with 4000mAh/4Ah power, ideal for high-drain devices.
Precision-engineered INR21700-40P cell delivers stable 3.7V output for consistent performance.
Premium Li-ion chemistry ensures longer cycle life and enhanced safety for intensive use.
Ultra-high discharge rate (12.5C) perfect for FPV drones and power-hungry electrical tools.
Robust construction with precision welding and anti-leak design for reliable operation.
Global wholesale pricing with bulk discounts for commercial buyers and resellers.
Recent Purchase
ita***
Nominal Voltage:3.7V;Nominal Capacity:4000mAh;Battery Type:cylindrical;
$44.03
4 days ago
fds***
Nominal Voltage:3.7V;Nominal Capacity:4000mAh;Battery Type:cylindrical;
$37.74
20 days ago
sjq***
Nominal Voltage:3.7V;Nominal Capacity:4000mAh;Battery Type:cylindrical;
$69.19
10 days ago
nrk***
Nominal Voltage:3.7V;Nominal Capacity:4000mAh;Battery Type:cylindrical;
$100.64
9 days ago
uks***
Nominal Voltage:3.7V;Nominal Capacity:4000mAh;Battery Type:cylindrical;
$125.80
48 days ago
zdf***
Nominal Voltage:3.7V;Nominal Capacity:4000mAh;Battery Type:cylindrical;
$18.87
44 days ago
jii***
Nominal Voltage:3.7V;Nominal Capacity:4000mAh;Battery Type:cylindrical;
$62.90
29 days ago
nnr***
Nominal Voltage:3.7V;Nominal Capacity:4000mAh;Battery Type:cylindrical;
$88.06
28 days ago
nsv***
Nominal Voltage:3.7V;Nominal Capacity:4000mAh;Battery Type:cylindrical;
$18.87
17 days ago
bbm***
Nominal Voltage:3.7V;Nominal Capacity:4000mAh;Battery Type:cylindrical;
$25.16
16 days ago
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Customer Reviews
High Rate 12.5C 21700 40P 3.7V Li Ion Battery 3.7V 4000mah 4Ah 21700 Battery Cell INR21700-40P For FPV Drone & Electrical Tools
$4.7$6.29-25.28%
Nominal Voltage:
3.7V
Nominal Capacity:
4000mAh
Battery Type:
cylindrical
Quantity:
Add to Cart
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