Nitecore IMR18650-battery for the NiteCore TM28 (10A) 3100mAh
This battery is specifically designed to meet the high energy demand of the NiteCore Tm28 Tiny Monster. It has been enhanced with a protective circuit to prevent over or discharging and can be charged in the TM28. If offer you 10A and is, as a result, one of the more powerful batteries on the market.
Although this battery was specifically designed for the TM28 it can also be used in other powerful lights that ask for a lot of energy because of the protective circuit. Think of the NiteCore Concept 1 or the EC23.