





























Recent Purchase
pkl***
Nominal Voltage:3.7V;Nominal Capacity:7800mah;Battery Type:pack;
$124.38
37 days ago
jva***
Nominal Voltage:3.7V;Nominal Capacity:7800mah;Battery Type:pack;
$124.38
34 days ago
gbi***
Nominal Voltage:3.7V;Nominal Capacity:7800mah;Battery Type:pack;
$145.11
19 days ago
fxb***
Nominal Voltage:3.7V;Nominal Capacity:7800mah;Battery Type:pack;
$207.30
46 days ago
pxi***
Nominal Voltage:3.7V;Nominal Capacity:7800mah;Battery Type:pack;
$62.19
42 days ago
zjx***
Nominal Voltage:3.7V;Nominal Capacity:can be customized;Battery Type:pack;
$21.93
18 days ago
elj***
Nominal Voltage:3.7V;Nominal Capacity:can be customized;Battery Type:pack;
$87.72
19 days ago
skh***
Nominal Voltage:3.7V;Nominal Capacity:can be customized;Battery Type:pack;
$175.44
45 days ago
ozm***
Nominal Voltage:3.7V;Nominal Capacity:can be customized;Battery Type:pack;
$153.51
3 days ago
xyj***
Nominal Voltage:3.7V;Nominal Capacity:can be customized;Battery Type:pack;
$219.30
35 days ago
View All
Customer Reviews

Customized USB Rechargeable Battery 18650 3.7V 7800mAh Battery Pack Electronics Power Electric Fan Lithium Ion Battery
$13.7$20.73-33.91%
Nominal Voltage:
3.7V
Nominal Capacity:
can be customized
7800mah
Battery Type:
pack
Quantity:
Add to Cart
Wishlist
Features
High-Capacity Customized 18650 Lithium-Ion Battery
Premium 3.7V 7800mAh rechargeable battery with ultra-long cycle life, ideal for powering electric fans, portable electronics, and DIY projects.
USB Rechargeable for Ultimate Convenience
Built-in USB charging port eliminates the need for external adapters, ensuring fast and hassle-free power replenishment anytime, anywhere.
Precision Engineering & Robust Build
Features industrial-grade lithium-ion cells with advanced BMS protection against overcharge, over-discharge, and short circuits for enhanced safety.
Versatile Power Solution
Perfect for high-drain devices like LED torches, drones, and custom battery packs. Compatible with most 18650 battery compartments.
Bulk Order Advantage
Direct factory pricing with wholesale discounts. Custom branding options available for large-volume buyers.
Global Compliance Certified
Meets CE, RoHS, and UN38.3 standards for reliable performance in international markets.
See More