A lot of LiPo chargers like the Q6 cannot reach their maximum output power and current when you’re running it at low voltage such as 12V. To get the most out of your Q6 charger, you need a 24V power supply.
Some modern LiPo chargers are able to charge multiple battery packs at once. However they require large power supply to meet the current demand. Dedicated PSU’s are costly, so in this post we will show you how to make a cheap DIY PC/server PSU for chargers and workbench.