HPM capacitors are designed to compliment Stinger's HPM Series of accessories. Their awesome brushed aluminum or chrome plated finish and platinum plated terminals add a high performance look and feel to any installation. The top of the line SC241MPT is a 20-volt (24-volt surge) model that features Stinger's new bright blue three digit monitor top with direct thru-post design, reverse polarity warning, super-bright blue strobe-effect LEDs and automatic shutoff. The SC201PT is rated at 16 volts (20-volt surge) and has vertically and horizontally oriented artwork for mounting upright or sideways. The SC201MNC features Stinger's SmartCharge digital monitor top for added safety and convenience.