About This [HIGH PERFORMANCE]: Powered by advanced AGM technology, the WEIZE BCI Group 24M has a low internal resistance and high output power, offering a reliable power supply and a long battery life, 2x more cycle life than traditional flooded marine batteries. Terminal: Left : Positive (+)-Red, Right: Negative (-)-Black. [DUAL PURPOSE ]: The WEIZE BCI Group 24M is a dual purpose deep cycle sealed AGM marine and RV battery. It features an outstanding starting power and deep cycling capability for long-lasting power supply. [QUICK CHARGE]: The WEIZE BCI Group 24M features quick charging, which allows it to charge up to five times faster, saving time and increasing efficiency. Please use a constant voltage of 14.4± 0.1V and a max current of 15.8A to charge the battery until the current has no change for 2 to 3 hours, But the maximum charging time must not exceed 24 hours. [LOW MAINTENANCE]: Being almost maintenance-free, the WEIZE BCI Group 24M reduces surface corrosion, proves more durable, and performs well against vibrations, has 20x more vibration resistance than flooded batteries. [SAFETY & SERVICE]: With a leak proof design and the presence of specialized valves, the WEIZE BCI Group 24M battery is very safe to use, ensuring a longer battery life. WEIZE dual-purpose Batteries are confidently guaranteed for 2 years! We aim for quality followed up with quality customer service. Overview Brand : WEIZE Product Dimensions : 6.61"D x 10.24"W x 8.19"H Terminal : DT, SAE/M8 Stud, SAE/M8 Threaded Post, WNT Manufacturer : WEIZE Vehicle Service Type Boat, Marine, RV : Voltage 12 Volts : Vehicle Service Type Boat, Marine, RV : Voltage 12 Volts Battery Cell Composition Lead-Acid, AGM : Item Weight 50.7 Pounds : Battery Cell Composition Lead-Acid, AGM : Item Weight 50.7 Pounds