Newmar
Newmar 13165 Battery Isolator 1 Alternator To 3 Battery Banks 165A
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- SKU:
- 18009044
- MPN:
- 1-3-165
- Availability:
- Usually ships the same or next business day. In stock at our CA warehouse.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 12/07/2025 03:25:22 AM PST
- Stock Update:
- 12/07/2025 03:25:22 AM PST
Description
This item is brand-new, factory sealed.
Newmar 1-3-165 Battery Isolator
Model: 1-3-165- Heavy duty construction
- Rated for systems up to 48 volts DC, negative ground
- Rust-proof anodized aluminum case
- Stainless steel mounting hardware provided
- Protective covers provided for terminals
These heavy duty isolators allow charging multiple batteries automatically from one or two alternators, and prevent discharge or ‘dumping" of one battery into another. Each battery is charged according to its need without overcharging, rated for 12, 24, or 36 volt, negative ground DC systems.
Note: This battery isolator is not compatible with self-exciting alternators. The alternator must have an external excitation lead. Please consult the manufacturer of your alternator if you are unsure of your configuration
Specifications| Alternator Sources | 1 |
| Battery Bank | 3 |
| Max. Amperage Input Capacity | 165 |
| Operating Temperature | -40 to +80° |
| Duty Cycle | Continuous rating to 50° C Derate linearly to 70% @ 80° C |
| Temp. Rise | 5° C at full rated current (mount vertically for optimum cooling) |
| Voltage Drop | 0.7V @ 50% load, 0.9V @ full load |
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Newmar 13165 Battery Isolator 1 Alternator To 3 Battery Banks 165A
$338.06