
Adafruit-Micro-Li-Po-USB (Universal Serial Bus)-Li-Ion-Li-Poly-Charger-Adafruit-1304-P-The-Adafruit-Micro-USB (Universal Serial Bus)-Li-Ion-&-Li-Poly-Charger-is-a-must-have-for-any-toolbox-with-a-constant-100m A-charge-current-you-just-plug-it-into-a-USB (Universal Serial Bus)-port-attach-a-battery-&-wait-for-the-green-LED-It-is-specifically-designed-for-charging-the-3-7-4-2V-lithium-ion-or-lithium-polymer-batteries-rather-than-the-older-3-6-4-1V-batteries-It-uses-a-3-stage-process-starting-with-a-preconditioning-charge-then-a-constant-current-f