The Signal Flex Super Heavy Duty AA batteries are 99.99% Mercury free and sold in packs of four.
The Signal Flex Heavy duty AAA batteries are sold in packs of 2.
The Signal Flex Heavy Duty 9 volt batteries are 99.99% Mercury free which is safer for the environment and sold in packs of two.
The One Spot Battery Clip Converter allows the 1 SPOT and MC5 cable to power anything that runs on a 9V battery
