Here is the simple Lithium Ion Battery Charger. Lithium Ion batteries pack a lot of power by weight compared to other types. There are 2 things that need to be handled differently than nicad on NiMH 1. They cannot be used as a direct substitute (even if they look like other AA’s) since they run at about 3.6 (or so) volts.2. They cannot be charged in the same way as nicad or NiMH. [via]

Lithium Ion Battery Charger – [Link]