mastervolt.us BATTERY MANAGEMENT 90 BI 702-S BI 703 BI 1202-S BI 1203-S Part # 83007021 83007030 83012021 83012031 Max. output charger 50A 50A 80A 80A Max. output alternator 70A 70A 120A 120A Compensation diode yes no yes yes Dimensions, HxWxD 6.2" x 5.5" x 3.2" 157 x 140 x 80 mm 8.2" x 5.5" x 3.2" 207 x 140 x 80 mm 8.2" x 5.5" x 3.2" 207 x 140 x 80 mm 8.2" x 5.5" x 3.2" 207 x 140 x 80 mm Weight 1.3 lb / 0.58 kg 2.4 lb / 1.1 kg 2.65 lb / 1.2 kg 2.9 lb / 1.3 kg # of battery banks 2 3 2 3 BI Battery Isolators Mastervolt’s BI battery isolators are based on conventional diode technology. The diode voltage drop (ca. 0.6V) can be compensated for by adapting the output voltage of the connected charger or alternator. Mastervolt Mass battery chargers and Alpha Pro charge regulators are standardly equipped with automatic voltage drop compensation. Battery Mate While BI battery isolators are conventional diode splitters, the Battery Mate’s technology is electronic and includes mosfets (transistors). Its components compensate for the voltage drop and ensure that charging continues at the right voltage level, even with several battery banks. The Battery Mate is compatible with any type of alternator/ battery charger, in both existing and new systems. As the voltage loss between the alternator and battery is negligible, the Battery Mate performs far better than conventional battery isolators. This ensures fast and complete charging of your batteries without having to make additional adjustments to the alternator. Battery Mate 1602 IG Battery Mate 1603 IG Battery Mate 2503 IG Part # 83116025 83116035 83125035 Max. output charger 120A 120A 200A Max. output alternator 160A 160A 250A Dimensions, HxWxD 8.1" x 5.5" x 3.1" 206 x 140 x 79 mm 8.1" x 5.5" x 3.1" 206 x 140 x 79 mm 8.1" x 5.5" x 3.1" 206 x 140 x 79 mm Weight 2.2 lb / 1 kg 2.2 lb / 1 kg 2.2 lb / 1 kg # of battery banks 2 3 3
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