Electric accumulators, including separators therefor; whether or not rectangular (including square)

850710 Electric accumulators; lead-acid, of a kind used for starting piston engines, including separators, whether or not rectangular (including square) 850720 Electric accumulators; lead-acid, (other than for starting piston engines), including separators, whether or not rectangular (including square) 850730 Electric accumulators; nickel-cadmium, including separators, whether or not rectangular (including square) 850750 Electric accumulators; nickel-metal hydride, including separators, whether or not rectangular (including square) 850760 Electric accumulators; lithium-ion, including separators, whether or not rectangular (including square) 850780 Electric accumulators; other than lead-acid, nickel-cadmium, nickel-metal hydride and lithium-ion, including separators, whether or not rectangular (including square) 850790 Electric accumulators; parts n.e.c. in heading no. 8507