The ProMariner ProIsoCharge Battery Isolator (Model 23121) provides digitally controlled, zero-voltage loss power distribution for 12V DC marine electrical systems. Designed to charge up to two separate battery banks from a single alternator, this unit prioritizes charging for battery banks under load while safeguarding the health of the engine start battery.
- System Voltage: 12V DC
- Capacity: 120 Amp max
- Configuration: 1 alternator input, 2 battery outputs
- Dimensions: 5.35 in. x 5.875 in. x 3.125 in.
- Weight: 2 lbs.
- Protection: Ignition protected and waterproof (IP66 rated)
- Features: Real-time LED status indicators, ignition-controlled management, and remote sense connection for advanced regulators
- Included: Terminal stud insulator boots and protective snap-on safety cover
Regulatory note: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit P65Warnings.ca.gov.
Product facts
- CT SKU
- CT-102043
- Model / MPN
- 23121
- UPC / GTIN
- 031669231214
- Package dimensions
- 5" X 7" X 8"
- Package weight
- 2.15 lb
Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.
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Shipping & returns
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Fit & compatibility
Fit & compatibility
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