Battery Case Marine Smart Box Case Features One size fits both Group 24 and 27 and Group 34 BCI sizes Exposed terminal posts with heavy duty 7 gauge cables provide easy access Two external 12V DC outlets to conveniently power your accessories Battery status LED indicator – Indicates the battery voltage and if you need to recharge the battery. Battery Voltage more than 12.8 volts – Green LED Battery Voltage between 12 and 12.8 volts – Yello. . . Features One size fits both Group 24 and 27 and Group 34 BCI sizes Exposed terminal posts with heavy duty 7 gauge cables provide easy access Two external 12V DC outlets to conveniently power your accessories Battery status LED indicator – Indicates the battery voltage and if you need to recharge the battery. Battery Voltage more than 12.8 volts – Green LED Battery Voltage between 12 and 12.8 volts – Yellow LED Battery Voltage less than 12 volts – Red LED The battery is charging and is fully charged – Green LED Two external 12V DC auxiliary outputs for accessories – Separately protected by an internal automatically resettable 15 amp thermal circuit breaker. Tough heavy duty rigid polypropylene case construction Hold-down strap to secure the battery and the box to the boat 2 21.3 17.7 22.6 1 Year Universal Power Group No http://site.apexbattery.com/logos/battery case.jpg New U