Nitecore – 21700 Battery 5000mAh USB-C Rechargeable

For Nitecore - 21700 Battery 5000mAh USB-C Rechargeable , you are choosing a Flashlight from Nitecore, so compare beam use, carry size, and power setup against your actual use case before deciding.

Nitecore NL2150RX - 5000mAh USB-C Rechargeable 21700 Battery

Power your gear with one of the most versatile batteries available. The Nitecore NL2150RX delivers 5000mAh capacity, USB-C charging, and even doubles as a power bank - all in one compact 21700 cell.

Key Features

• 5000mAh High Capacity
• USB-C Rechargeable (Built-In Port)
• Dual Charging Options - USB-C or external charger
• Power Bank Function - charge your devices on the go
• Built-In Safety Protections
• solid construction with nickel-plated connectors

Charge Anywhere

• Plug directly into USB-C - no charger needed
• Or use a standard 21700 charger
• Works as a backup power source for:
  • Phones
  • Smart watches
  • Earbuds

One battery = power + backup power bank

Specifications

• Model: Nitecore NL2150RX
• Capacity: 5000mAh
• Voltage: 3.6V (18Wh)
• Rated Output Capacity: 3050mAh (5V)
• USB-C Input: 5V 2.5A
• USB-C Output: 5V 2A
• Length: 3.11 in
• Diameter: 0.86 in
• Weight: 2.63 oz

Built for Safety

• High temperature resistant design
• Overcharge / over-discharge protection
• Short-circuit protection
• Pressure relief valve for added safety

Why This Battery Stands Out

• Huge capacity for long runtimes
• No charger needed with USB-C built-in
• Doubles as a power bank (super useful in a pinch)
• Built with solid materials for durability

Important Notes

• Button top style (longer than standard flat top cells)
• May not fit all flashlights due to added length
• Designed for devices that support protected 21700 batteries

What's Included

• Nitecore NL2150RX

Pro Tip

Keep one of these in your bag -
it's not just a battery, it's a backup charger when everything else dies