A very popular cell in the E-Bike Industry, the Samsung 50G (and very close brother Samsung 50E) boast a very high capacity (5000mah or 5AH per cell) while having good discharge capabilities (10A rated continuous, 15A Peak). They also have an excellent cycle life (retains 80% capacity after 1000 life cycles).

Brand new, Grade A (resistance and capacity matched), fresh from the factory.

Spec Sheet can be viewed below
SAMSUNG 50G Factory Spec Sheet