Expro battery charger instructions

Ex-Pro Ultra Fast Battery Charger with 8X AA 2900mAh High Power. for 2900mAh batteries even instructions state about 5 hours which is about right) isAlright, so last weekend we went out and played, I charged 8 batteries. 1 4500mAh, 2 3800 mAh, 3 1400 mAh 1 1100mAh, and 1 600mAh. Using method​​ 1. Charging for Li-ion battery. Align the charger hardware touch pad with the one on the battery +/- terminals. Align the battery protection/