How To Charge Li-Ion/LiPo Batteries With A Power Supply
Video by EEVBlog
How to safely charge Lithium Ion & Lithium Polymer batteries with a bench power supply, for when you don’t have the correct charger available.
WARNING:
Take care using PSU’s for charging unprotected cells. A fault in the PSU might overload or short the battery & that could be dangerous.
Always watch your battery during charging using a general purpose technique like this.