CTEK 40-256 20A Off Grid Bundle-D250SA and Battery Monitor

CTEK 40-256 20A Off Grid Bundle-D250SA and Battery Monitor

CTEK 40-256 20A Off Grid Bundle-D250SA and Battery Monitor, Battery Testers - Canada. CTEK 40-256 20A Off Grid Bundle-D250SA and Battery Monitor in Battery Testers.. Optimizes charging while driving to give you more time off-grid 。 1 - PartNo. 40-186 - d250sa  dual - dc/dc on-board charger 。 1 - CTEK  battery system monitor (not available separately) 。 This charging system charges your battery bank from several sources, prioritizes connections, and looks after the battery so it will not become completely flat. 。 。 。