HPI Pro Glow Plug Igniter w/AC Charger is a hot pink machined and knurled aluminum battery holder.  NiCd cell provides higher voltage under a load than an alkaline cell. Meter has green area for charged and red area for must recharge.  Spring-loaded locking socket design.

INCLUDES:  One Glow Starter with Cap Volt Meter. One Panasonic 1.2volt, 1300mAh sub-C size NiCd Battery One AC Charger (United States Standard)

Battery for this glow-starter can be replaced with another sub-C type battery by unscrewing the battery holder.