Huni Badger HB-D2 Charger
Huni Badger HB-D2 Charger 18650
Huni Badger HB-D2 Charger And Power Bank
Huni Badger HB-D2 Charger And Power Bank Packaging

Huni Badger HB-D2 Charger And Power Bank

Regular price$24.95

Get your battery energy charged up with the HB-D2 and keep the adventure going. The best portable battery charger is upgraded with a digital LED screen that displays real-time battery status, spring loaded battery contacts that allow compatibility with more battery types, and supports pass-through charging. When you’re on the go, the HB-D2 doubles as a power bank. With your own batteries, charge the power capacity of up to 10000mAh+.

Product Features:

  • One button easy operation to navigate the digital LED screen, displaying real-time charging/discharging current and battery capacity percentage.
  • Advanced high precision microcontrollers effectively prevent damage to the battery from reverse polarity, short-circuit, and over-current.
  • Spring-loaded contacts safely support multiple battery types
  • Low parasitic draw, perfect for use as a battery storage powerbank
  • Supports USB-A and USB-C dual output
  • Supports pass-through charging
  • USB-C Input/Output supports QC 3.0 and PD 3.0 Fast Charging Standard

For use with these rechargeable batteries:

  •  18650 Batteries (Protected and Unprotected)
  •  18700 Batteries (Unprotected)
  •  20700 Batteries (Unprotected)
  •  21700 Batteries (Unprotected)

Package Contents:

  • 1x HB-D2 Charger
  • 1x USB-A to USB-C cable
  • 1x Users Guide
  • 4x optional o-rings for batteries

Charging Instructions:

  1. Insert the battery and connect the device to a power supply using the included USB-C cable.
    The charger will automatically start charging the battery.
    • Single battery - Fast charge is disabled and charges at 5V(2A).
    • Dual batteries - Fast charge at 9V(2A) or 12V(1.5A) enabled when voltage is balanced between the batteries and using a fast charge compatible power supply.
  2. Press the button to cycle display between bank 1, bank 2 charging voltage/amperage, and battery percentage of the lesser battery value.
  3. Charging stops independently when the battery reaches 4.20±0.05V for each bank.

Instructions for use as Powerbank:

  1. Insert one or two compatible batteries into the HB-D2. Pressing the button will display remaining battery level of the higher battery value.
  2. Connect your device with a charging cable to the USB-A or USB-C port of the HB-D2.
    • Single battery - 5V(2A) output.
    • Dual batteries - Maximum output of 9V(2A) or 12V(1.5A) possible when voltage is balanced between the batteries and charging a fast charge compatible device using only the USB-C port, otherwise output remains at 5V(2A).
    • Display shows if OUT1 or OUT2 is connected, simultaneous dual output is possible at 5V.
  3. HB-D2 should detect and turn on automatically when a device is connected to either USB port, otherwise press the button once to turn on the unit.
  4. Hold the button for 2-seconds then release to turn off the charging function when a device is connected.


  • Brand: Huni Badger
  • Model: HB-D2
  • Input: USB-C, 5V/2A, 9V/2A, 12V/1.5A (QC3.0/PD3.0)
  • Output: USB-A, USB-C 5V/2A, 9V/2A, 12V/1.5A (QC3.0/PD3.0)
  • Supports: 3.6V/3.7V Li-ion/IMR/INR/ICR unprotected 21700/20700/18700/18650, and protected 18650 batteries
  • Size: 5 x 2.25 x 1 inch
  • Weight: 2.5 oz

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