8-o Wow...this looks like a recipe for disaster to me!
Hopefully the experts will chime in, but everything I've been taught over the last two years is you
never use a charger on something it wasn't specifically designed for, there is no direct charger for that mod, and loose batts are always charged in a batt charger designed for that type of batt (preferably smart charger). Otherwise, you're asking for failure, which means venting and probably worse.