Newell USB-C D/R20 Recheargable Battery - 4000 mAh

High-Capacity Rechargeable Batteries with USB-C Charging

• Set of 2 lithium-ion 21700 batteries, each with 5000 mAh (18 Wh) capacity and 3.6 V voltage
• Integrated USB-C port for direct charging without a traditional charger
• Includes USB-A to 2 x USB-C charging cable and a semi-transparent carrying case
• Over 1200 charging cycles for long service life
• Three LED indicators display charge level clearly
• Compatible with USB-C power banks, computers, and USB mains chargers
• Can also be charged with standard lithium-ion battery chargers
• Protection against overheating, overloading, and overcharging
• Very low self-discharge rate, retaining approximately 80% charge after months of storage
• Memory effect free for repeated charging and discharging
• Covered by a 40-month manufacturer warranty

Versatile Power Source for Various Devices

These batteries are suitable for a wide range of devices powered by 21700 cells, including tactical flashlights, headlamps, power tools, measuring instruments, photographic equipment, microphones, and electronic cigarettes. The 21700 format offers higher capacity and longer runtime compared to traditional 18650 cells, making them ideal for advanced outdoor accessories and everyday carry (EDC) devices.

Convenient Charging and Monitoring

The integrated USB-C port allows easy charging with a single cable, similar to charging a smartphone, eliminating the need for bulky chargers. The three LED indicators provide intuitive charge level feedback during charging, lighting up sequentially until fully charged. A button on the battery top lets you quickly check the current charge status.

Durability and Safety Features

• Designed for intensive use with over 1200 charge cycles
• Intelligent safety system regulates charging and protects devices
• Prevents overheating, overcharging, and overloading
• High resistance to self-discharge ensures reliable power availability

Package Contents

• 2 x Newell 21700 USB-C 5000 mAh rechargeable batteries
• 1 x USB-A to 2 x USB-C charging cable
• 1 x Semi-transparent carrying case for batteries and cable