|Elecrow 1A/500mA Li-ion/LiPo charger board with USB power pass-through|
A 46 x 32mm module with a micro-USB type B input port and a full-size USB type A output port, plus connections for a solar panel and Li-ion/LiPo cell.
For more details, see the article in the August 2017 issue titled "El Cheapo Modules: Li-ion & LiPo Chargers" (starting on page 44).
PLEASE NOTE: the red/black colour coding on the cables supplied DOES NOT match the polarity of the connectors on this module.
Incorporates an onboard step-up circuit to provide a regulated 5V output (at up to 500mA) from the cell, plus a 1A charger and automatic input-to-output pass-through. Supplied with three 2-wire JST 2.0 cables to connect the cell and output and optionally, a solar panel for charging. Also incorporates battery level indicator LEDs.
Note that the input and output USB socket data lines are not connected.