Adafruit Micro Lipo Charger (USB LiPo/LiIon, V1)

This tiny USB-powered charger tops up 3.7/4.2V LiPo/LiIon batteries via JST PH—red LED during charge, green when full—for effortless desk or project use. Perfect for first-year engineering students maintaining 150–500mAh packs in wearables or robots.

Micro-USB input (5V); 100mA default (safe for small cells), jumper-solder to 500mA for larger; 3-stage CC/CV with precondition/trickle. Includes bonus JST cable; assembled/tested.

LED Guide

• Red: Charging.
• Green: Full/ready.
• Off: Idle/disconnected.

Note: Product size and dimensions may vary. For Adafruit LiPos only; battery not included.

Disclaimer: The images shown are for illustration purposes only and may not be an exact match.