Gunfire got a QuickFix series and it's about charging the most common batteries for airsoft AEGs and AEPs nowadays... "Batteries for airsoft replicas guarantee the proper operation of the engine and the entire propulsion system. That is why it is worth taking proper care of them. In today's QuickFix episode, we'll show you how to charge NiMH, Li-Po, and Li-Ion batteries, and which charger to choose. You will also learn how to store batteries safely and prevent damage."