The Xtar PB2 is a dual purpose 18650 charger AND portable powerbank. You can plug it into a USB power source and charge up your batteries, OR you can pop in two spare batteries and use it as a roughly 5000mAh (depending on your batteries) power bank for charging your other devices, phone, airpods, pod devices, etc!
Use 1 or 2 of your own unprotected 18650s without the need to match cells or age. The PB2 is capable of charging and discharging cells individually so you don't have to worry about cell balancing.
Used as a power bank:Max 2.1A USB output
Battery charge & discharge balancing technology makes all of capacity available for use and increase each cell’s longevity.
Conversion efficiency up to 92%.
Hand-held portable charger with magnetic cover design, fast charge your USB devices and all kinds of cell phones anywhere anytime.
Used as a battery charger:
Max real 2A x 1 / 1A x 2 charge current, fully charge 1x2500mAh 18650 in 1.5hrs or 2x2500mAh 18650 in 3hrs.
Equipped with all XTAR unique features like 0V Activation function revives over-discharged batteries, TC/CC/CV three-stage charging maximizes battery lifespan, multi-protections and so on.
- AAAA/AAA/AA/A/SC/C/D Ni-MH/Ni-CD batteries
This device requires a USB power source for charging. For full speed charging, a 2 amp plug is required (1 amp plug will work but at reduced speed).