Please fully charged the battery if long time not used or usage for the first time.
Do not heat, disassemble or put the battery into fire.
Do not mix use old and new batteries or any different types of batteries.
Do not mix and use the different capacities of batteries.
Do not reverse the battery when charging and putting it into devices.
The batteries can only be charged by Li-ion 18650 rechargeable battery charger.
Do not charge the battery for too long.
Please remove the cling clear plastic wrapped around the battery before using the battery or charging.
Professional Support
Installation
Our installation service includes a comprehensive inspection of the new battery, professional installation, and thorough post-installation testing to ensure optimal performance.
24/7 Support Desk
Our support desk is available 24/7 to help with any questions or issues you have. Get prompt assistance from our team whenever you need it.
Choose Safe, High-Performance Batteries for a Better Life
Long
Cycle Life
High Energy
Density
Environmental
Friendliness
Consistent
Performance
Cost
Effective
CE FCC
MSDS UN38.8
What Our Customers Are Saying
Solid Power and Performance
This 18650 3000mAh battery from UltraFire is super reliable. It holds a charge really well and powers my flashlight for hours. No complaints here!
Jason M.
Great Value for the Price
For a 3000mAh battery, this UltraFire is a steal. It lasts long, charges quickly, and I haven't had any issues. Perfect for my outdoor gear!
Amanda S.
Dependable and Durable
UltraFire nailed it with this 18650. It’s sturdy, lasts a good while, and recharges fast. Definitely my go-to battery for all my devices!
