Newmar PT-80 Battery Charger
Manufacturer Part #: PT-80
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Newmar PT-80 Battery Charger – 80 Amp Marine Smart Charger
Model: PT-80
Output: 80 Amps
Input: 120V AC
Charging Type: Multi-Stage Smart Charging
Application: Marine / RV Battery Charging
Fast, Smart Charging for Demanding Power Systems
The Newmar PT-80 Battery Charger is a high-output, marine-grade smart charger built to keep large battery banks healthy and fully charged. With an 80-amp output, it’s ideal for boats, yachts, and RVs that run multiple batteries and high electrical loads—delivering fast recharge times without overcharging.
Multi-Stage Smart Charging = Longer Battery Life
The PT-80 uses advanced multi-stage charging to optimize battery performance and lifespan. It automatically adjusts charging voltage and current based on battery condition, helping prevent sulfation and overcharging while keeping your batteries topped off.
Marine-Grade, Reliable Design
Engineered for harsh marine environments, this charger features corrosion-resistant construction and internal protection against overheating, short circuits, and reverse polarity—so you can install it in engine rooms or utility compartments with confidence.
Quiet, Efficient Operation
High-efficiency design minimizes heat and energy loss while keeping noise low—perfect for liveaboards and overnight marina stays.
Key Features
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Three-Stage Smart Charging: Automatically adjusts output (Bulk, Absorption, Float) to ensure optimal battery health and rapid recovery.
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High-Amperage Output: Delivers a powerful 80 Amps, ideal for large house banks or commercial engine starting sets.
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Universal AC Input: Operates on 90–264V AC (50/60 Hz), making it global-ready for international cruising or varied shore power.
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Multiple Bank Charging: Features three isolated output banks, allowing you to charge multiple battery sets simultaneously.
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Diagnostic LED Display: Clear front-panel indicators show charger status, stage of charge, and fault conditions at a glance.
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Rugged Construction: Built with a powder-coated stainless steel case and internal conformal coating to resist salt-air corrosion.
In The Box
| Component | Description |
| Newmar PT-80 Unit | 24V / 80 Amp Phase Three Series Battery Charger |
| Drip Shield | Protects the unit from overhead condensation or minor leaks |
| Mounting Hardware | Heavy-duty brackets for secure bulkhead installation |
| Temperature Sensor Port | Connection point for optional remote temp sensor (sensor sold separately) |
| Instruction Manual | Detailed wiring diagrams, fuse ratings, and setup guide |
Technical Specifications
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Model Number: PT-80
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Nominal Voltage: 24V DC
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Max Output Current: 80 Amps
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Input Voltage: 90–264V AC (Universal)
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Battery Types: Lead-Acid, Gel, AGM (User selectable)
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Protection: Over-temp, Short circuit, Current limiting, Ignition protected
Pro Tip: For the best performance in varying climates, I highly recommend adding the Newmar Temperature Sensor (Model: BTS). It allows the PT-80 to adjust its voltage based on battery temperature, which is a lifesaver for extending the life of expensive AGM banks.
Perfect For
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Yachts & cabin cruisers
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RVs & motorhomes
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Liveaboards
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High-demand marine electrical systems
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Multi-battery bank charging
This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
Manufacturer : Newmar Power
Manufacturer Part No : PT-80
Newmar PT-80 Battery Charger is backordered and will ship as soon as it is back in stock.
Newmar PT-80 Battery Charger
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