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, recharge with 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