For detailed specifications click on the chemistry :-

OEM Number	W & W Number	Specifications	Price	Qty
NTN4595A, 60-60930K09	HC-060VM-4595AM	7.5 v @ 2700mAh     NiMH	$73.75
NTN4537A, 60-60930K04	HC-060GM-4537AM	7.5 v @ 1000mAh     NiMH	$66.25
NTN4537A, 60-60930K04	WC-060G-4537	7.5 v @ 700mAh     NiCD	$56.25
NTN4593A, 60-60930K05	HC-060SM-4593M	7.5 v @ 1650mAh     NiMH	$68.75
NTN4593A, 60-60930K05	WC-060S-4593	7.5 v @ 1100mAh     NiCD	$61.25
NTN4595A, 60-60930K09	WC-060V-4595	7.5 v @ 1800mAh     NiCD	$68.75