Grade A Lishen LR2170LA 3.6V 4000mAh 21700 Battery – High-Performance Power Solution
Premium lithium-ion construction with advanced NMC chemistry delivers stable 3.6V output and 4000mAh capacity. Features ultra-low internal resistance for 45A continuous discharge, optimizing high-drain device performance.
Precision laser-welded terminals and multi-layer safety protection (overcharge/overheat/short-circuit proof). Robust steel casing withstands extreme conditions (-20°C to 60°C).
Ideal for commercial drones, electric tools, medical devices, and high-end flashlights. Bulk orders available at unbeatable global wholesale pricing—direct factory sourcing ensures authenticity and cost efficiency.


















Recent Purchase
ngt***
Compatible Model:for iPhone XS max;Nominal Capacity:4000mah;Nominal Voltage:3.7v;Battery Type:Lithium Battery Rechargeable;
$128.44
45 days ago
slu***
Compatible Model:for iphone XR;Nominal Capacity:4000mah;Nominal Voltage:3.7v;Battery Type:Lithium Battery Rechargeable;
$26.15
18 days ago
iti***
Compatible Model:For iPhone11 pro max;Nominal Capacity:4000mah;Nominal Voltage:3.7v;Battery Type:Lithium Battery Rechargeable;
$33.72
40 days ago
svz***
Compatible Model:For iPhone12 pro;Nominal Capacity:4000mah;Nominal Voltage:3.7v;Battery Type:Lithium Battery Rechargeable;
$29.40
17 days ago
jig***
Compatible Model:For iPhone X/XS;Nominal Capacity:4000mah;Nominal Voltage:3.7v;Battery Type:Lithium Battery Rechargeable;
$50.85
36 days ago
vgw***
Compatible Model:For iPhone12;Nominal Capacity:4000mah;Nominal Voltage:3.7v;Battery Type:Lithium Battery Rechargeable;
$34.10
18 days ago
lej***
Compatible Model:For iPhone11 pro;Nominal Capacity:4000mah;Nominal Voltage:3.7v;Battery Type:Lithium Battery Rechargeable;
$64.80
15 days ago
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Customer Reviews

Grade A Lishen LR2170LA 3.6V 4000mAh 21700 batteries 45A 21700 40P li ion battery For Drone battery
$3.5$5.23-33.08%
Compatible Model:
For iPhone12 pro
for iPhone XS max
For iPhone12
For iPhone11 pro
for iphone XR
For iPhone11 pro max
For iPhone X/XS
Nominal Voltage:
3.7v
Nominal Capacity:
4000mah
Battery Type:
Lithium Battery Rechargeable
Quantity:
Add to Cart
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