Note: This battery is not for use with the SL20X or SL20XP, SL20, SL20X, SL20S, Polystinger, Stinger DS, Stinger HPL. That’s77 175 (6V Ni-CD battery is5 sub C cells in a stick),77 175 islongger than75 175(3.6V Ni-CD battery is3 sub C cells in a stick)!