http://tinyurl.com/krnyz2b

Argus BB-SBM12 Battery Bug Starting Battery Monitor

Helps prevent owners from being stranded by a dead battery

Extends battery life by alerting users to damaging charge conditions

Advanced CrankCheck technology tests battery health every time the engine is started

Audible alarms and an easy-to-read LCD screen keep users informed of battery status

Designed specifically for automobile engine starting applications