Batteries and chargers for DIYers

The Bosch lithium-ion batteries are impressive in terms of performance, weight and space requirements. Bosch DIY batteries are always ready for use and can be re-charged at any time.

Build a Lithium-Ion Battery Charger on Arduino

18650 Battery Charger Case DIY Power Bank Charger MIni Charging Battery Holder Storage Box Mobile Power Supply With Night Light

Adafruit Micro-Lipo Charger for LiPoly Batt with USB Type C Jack : ID 4410 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits

DIY Mobile Battery Charging Station for Workshop

How to Make a 18650 Lithium-ion Battery Charger : 7 Steps - Instructables

Simple USB Battery Charger Circuit

$1 DIY Motorcycle Battery Charger – Ramblings of a Singapore Biker Boy

Cheap DIY 18650 battery charger

DIY DJI Mavic Air car/usb charger – Sauron's TrashPage