Premium 21700 Lithium-Ion Battery – High Capacity & Reliable Power
Engineered with top-tier lithium-ion technology, this 21700 battery delivers exceptional performance with a 5000mAh capacity (40T/50G model) or 4000mAh (50S model). Ideal for high-drain devices like vaping mods, flashlights, power tools, and electric vehicles.
Ultra-safe with stable 3.7V output, built-in protection against overcharge/overheat. Features precision welding and reinforced casing for durability. Bulk pricing available – wholesale discounts for global resellers.
Trusted OEM quality at unbeatable wholesale rates. Stock up for high-demand electronics and DIY projects. Fast shipping worldwide.
Recent Purchase
dmx***
Nominal Voltage:3.6v/3.7v;Nominal Capacity:4000mah 40T;Battery Type:cylindrical;
$95.36
44 days ago
vbv***
Nominal Voltage:3.6v/3.7v;Nominal Capacity:4000mah 40T;Battery Type:cylindrical;
$143.04
24 days ago
xdl***
Nominal Voltage:3.6v/3.7v;Nominal Capacity:5000mah 50G;Battery Type:cylindrical;
$232.16
17 days ago
gpo***
Nominal Voltage:3.6v/3.7v;Nominal Capacity:5000mah 50G;Battery Type:cylindrical;
$58.04
35 days ago
int***
Nominal Voltage:3.6v/3.7v;Nominal Capacity:5000mah 50E;Battery Type:cylindrical;
$142.05
30 days ago
ucw***
Nominal Voltage:3.6v/3.7v;Nominal Capacity:5000mah 50E;Battery Type:cylindrical;
$160.99
11 days ago
xkv***
Nominal Voltage:3.6v/3.7v;Nominal Capacity:5000mah 50S;Battery Type:cylindrical;
$279.80
31 days ago
tam***
Nominal Voltage:3.6v/3.7v;Nominal Capacity:5000mah 50S;Battery Type:cylindrical;
$223.84
10 days ago
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Customer Reviews
Good price Original 21700 5000mah battery 40T 50G 50S 21700 4000mah lithium ion battery 21700 3.7v rechargeable batteries
$7.54$9.47-20.38%
Nominal Voltage:
3.6v/3.7v
Nominal Capacity:
4000mah 40T
5000mah 50G
5000mah 50S
5000mah 50E
Battery Type:
cylindrical
Quantity:
Add to Cart
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