PulseTech XC-QL4 QuadLink 4-Channel Battery Charger Multiplier: * Turns any 6V or 12V battery charger into a 4-station maintenance charger that is capable of charging batteries whether they are individually connected or joined with other batteries * Add QuadLink to any brand of 6V or 12V battery charger * Works on any kind of lead-acid battery * Includes 4 eyelet lug adaptor cables * Includes four 5" extension leads * Water-resistant * Input voltage: 4V DC to 18V DC * Input current: 8 amp maximum * Minimum voltage for startup: 4V DC * Output current: 8 amp maximum * Dimensions: 10.5"L x 9.5"W x 3.3"H * Weight: 2.5 lbs * Battery cable length: 5" * Lug/clamp cable length: 2"