Collection: Battery isolators for dual-battery, charging & load management

DPA supplies a full range of battery isolators and smart microprocessor-controlled modules used in dual-battery setups, charge distribution and system protection. These units prevent back-feeding, reduce voltage drop and ensure batteries charge safely from alternators, solar or external chargers.

Designed for reliable performance in off-grid, automotive, marine and industrial applications, our isolators offer simple wiring, stable operation and long service life. Installers use them to protect key loads, manage battery banks and streamline power system integration.