ProIsoCharge Series. Model ProIsoCharge250 1 ;3. Part No. 23126. System Volts DC 12. Max DC Amps 250 Amp. Alternator Input1. Battery Outputs 3. Size 8.875 l x 5.875 w x 3.125 h . Weight6 lbs. Significantly Smarter. ProIsoCharge delivers digitally controlled alternator output distribution while protecting the health of engine start batteries. An industry changing design that provides intelligent and zero voltage loss isolation, charging of up to 3 other battery banks off a single alternator model specific . For dual engine applications, ProIsoCharge offers an exclusive 2 alternator input model with up to 4 battery banks. Smart enough to provide priority charging to a battery bank that's under load by taking fully charged batteries off line. The all-in-one design eliminates the need for multiple voltage sensitive relays to charge multiple battery banks simultaneously, saving space, installation time and cost. Ensuring fully charged batteries and faster charge times, ProIsocharge Model ProIsoCharge250 1 ;3. Part No. 23126 System Volts DC 12. Max DC Amps 250 Amp Alternator Input1. Battery Outputs 3 Size 8.875 l x 5.875 w x 3.125 h . Weight6 lbs Significantly Smarter. ProIsoCharge delivers digitally controlled alternator output distribution w