Newell USB-C 21700 Recheargable Battery - 5000 mAh

The Newell USB-C 21700 Rechargeable Batteries (2-Pack, 5000 mAh) provide a high-capacity, reliable power solution for demanding devices, featuring integrated USB-C charging, long-lasting lithium-ion performance, and a built-in LED charge indicator for convenient, charger-free operation.

Key Features

• High-capacity 5000 mAh batteries

  Provides long runtimes and dependable performance for demanding devices and professional applications.

• Integrated USB-C charging port

  Recharge each battery directly using the included USB-A to dual USB-C cable—no dedicated charger required.

• Flexible charging options

  Can be charged via power banks, computers, USB wall chargers, or traditional 21700-compatible battery chargers.

• Three-LED charge indicator

  Built-in LED system allows quick and easy monitoring of battery status at any time.

• Long lifespan design

  Offers over 1200 charging cycles, making it a durable and cost-effective alternative to disposable batteries.

• No memory effect

  Advanced lithium-ion technology allows recharging at any time without reducing usable capacity.

• Advanced safety protection

  Integrated system protects against overheating, overcharging, and overloading for safe operation.

• High resistance to self-discharge

  Retains around 80% of stored energy even after months of storage.

What’s Included

• 2 × Newell 21700 rechargeable lithium-ion batteries (5000 mAh)

• 1 × USB-A to dual USB-C charging cable

• 1 × semi-transparent protective storage case

What It’s Used For

These batteries provide reliable power for a wide range of devices, including:

• Tactical and head flashlights

• Power tools

• Outdoor and camping equipment

• Electronic measuring devices

• Photography accessories

• Microphones and other portable electronics

Practical Advantages

• Charger-free convenience: Built-in USB-C ports simplify charging anywhere

• Travel-friendly: Ideal for outdoor, mobile, and everyday carry use

• Versatile compatibility: Works with a wide range of 21700-powered devices

• Reliable performance: Designed for intensive and professional applications

Simple Summary

The Newell USB-C 21700 batteries are high-capacity, rechargeable power cells with built-in USB-C charging and smart LED indicators, offering a convenient, long-lasting, and reliable energy solution for modern electronic devices.

PLEASE NOTE: Batteries with a built-in USB-C port may not be compatible with devices used for audio transmission or processing. In some cases, this may cause noise or signal distortion.