Dual Pro SS4 Auto 40A 4-Bank Charger with B.O.S.

This kit includes Dual Pro’s B.O.S. (Battery Optimization System) - 12V - 2-Bank and Dual Pro’s SS4 Auto - 40A - 4-Bank Lithium/AGM Battery Charger.

B.O.S. Battery Optimization System - 12V - 2-Bank

The B.O.S. actively balances energy among batteries, enhancing battery longevity and performance. It predicts the battery in need and shuttles energy accordingly, preventing premature failure.

SS4 Auto 40A - 4-Bank Lithium/AGM Battery Charger

This fully automatic charger detects battery type (Lithium or AGM) for optimal charging. It ensures a complete charge with safety features that protect against overcharging and under-voltage, while also awakening batteries that have gone into low-voltage protection.