Mastervolt ChargeMaster Plus Battery Charger (12V 75A) WDS Fittings Silicate free monopropylene glycol antifreeze providing Manufacturer Part Number 2658F Silicate free monopropylene glycol antifreeze providing excellent protection of aluminium and metal alloy components within cooling systems square opening flap entry to main compartment for easy loading * 2 zipped side document pockets * 2 way lockable zips on all the main compartments for added security * Adjustable ‘cinch straps’ to prevent contents moving in transit * Webbing carry handles with Velcro ‘handle wrap’ for added comfort * Size 37” x 13 Communication & monitoring prioritising charge to the battery that needs it most