Hi!
I'm been using the Efest IMR 18650 Chemically Safe Li-ion 3.7V 2000mAh - Nipple Top and the Efest IMR 18350 Chemically Safe Li-ion 3.7V 800mAh Rechargeables ... they've been charing fine (Efest charger).

Sooooo peeeeeving!
I'm been using the Efest IMR 18650 Chemically Safe Li-ion 3.7V 2000mAh - Nipple Top and the Efest IMR 18350 Chemically Safe Li-ion 3.7V 800mAh Rechargeables ... they've been charing fine (Efest charger).
Sooooo peeeeeving!