10440 500mAh 3.7V With Protection Board (2PCS)
10440 500mAh 3.7V With Protection Board (2PCS)

10440 500mAh 3.7V Rechargeable Batteries (2-Pack)

$15.99
$23.99
SALE 33% OFF

Introduce

UltraFire 10440 3.7V 3500mAh Rechargeable Lithium Batteries With Protection contains integrated battery overcharge / discharge protection circuits.

 

High discharge performance Li-ion Rechargeable Battery.

 

More than 500 charge-discharge cycles.

  • Free Delivery

    Free delivery and returns

  • Worry-Free Trial

    30-Day easy returns

  • Warranty

    3-Year warranty policy

  • After-Sale Service

    24/7 support

Quantity

30000+

Products have
reached consumers

98.58%

Satisfied customers and
five-star reviews

89%

Instant Feedback on Battery Performance

5000+

Endorsed by 5000+ Battery Experts and Enthusiasts

  • Product Specifications

  • Product Services

Battery Specifications

Specifications

10440

Certification

CE FCC MSDS UN38.8

Capacity

500mAh

Actual

320mAh

Rated Voltage

3.7V

Charge Termination Voltage

4.2V

Discharge Termination Voltage

2.75V

Maximum Charge Current

640mAh

Maximum Discharge Current

640mAh

Weight

30g

Dimensions

46×10×10mm

Chargeable

√

Protective case

√

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