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NewMar PT-24-45U 24V 45A Marine Battery Charger Three-Stage Smart Charging

Manufacturer

NewMar

<h3>Newmar Power: Over 50 Years of Reliable DC Power Engineering</h3><p>Founded in 1970 and headquartered in Costa Mesa, California, <strong>Newmar Power</strong> has built a decades-long reputation as one of the most trusted manufacturers of DC power products in the world. A leading manufacturer of electronic power products for over 50 years, Newmar powers essential equipment across the marine, telecommunications, network, land mobile, and automation IoT industries. Whether the application is a live-aboard sailboat, a remote telecom tower, or a public safety communications site, Newmar engineers products to perform reliably under demanding real-world conditions.</p><h3>Built for Mission-Critical Environments</h3><p>Globally trusted for rugged, marine-grade engineering, Newmar draws on over 50 years of design experience to deliver solutions tailored for extreme marine, military, industrial, and critical-communications environments. From battery chargers and inverters to power conditioners, panels, enclosures, and advanced distribution systems, every unit features corrosion-resistant construction, thermal overload protection, vibration resistance, and simplified installation.</p><p>Newmar's in-house manufacturing capabilities set it apart from many competitors. Their in-house production facilities support all primary manufacturing functions with excellent quality control, including a complete machine shop with metal fabricating capabilities, CNC punch presses, and a dedicated PCB layout and design department. This vertical integration allows Newmar to maintain tight tolerances and ship standard products quickly while engineering, assembling, and shipping complete power systems in a fraction of the time it takes most other system integrators.</p><h3>A Complete DC Power Ecosystem</h3><p>Newmar supplies specialized DC power components in various power and mounting configurations, including Battery Chargers, Hot Swap Rectifiers, DC Power Distribution, DC Power Systems, Power Conversion, DC UPS, and DIN Rail DC Power. This breadth of product coverage means that installers, OEMs, and operators can source an entire power system from a single, proven brand.</p><p>At the heart of Newmar&apos;s marine lineup are their <a href="/11280-newmar-battery-chargers-200141">battery chargers</a>, which use proprietary Phase Three smart charging technology to optimize charge cycles and extend battery life. Their <a href="/11280-newmar-dc-to-dc-converters-200301">DC to DC converters</a> provide clean, regulated voltage conversion for sensitive navigation and communications electronics, while <a href="/200144-battery-isolators-voltage-sensitive-relays-newmar-11280">battery isolators and voltage sensitive relays</a> allow mariners to manage multiple battery banks safely and efficiently. Rounding out the onboard communications suite, Newmar&apos;s <a href="/10051-horn-newmar-11280">hailer horns</a> are engineered specifically for the marine environment, delivering reliable deck-to-deck and ship-to-ship communication in demanding conditions.</p><h3>Part of a Trusted Power Family</h3><p>Newmar is part of Mission Critical Electronics (MCE), headquartered in Costa Mesa, California — a family of specialized brands that includes American Battery Company, ASEA Power Systems, Kussmaul Electronics, Magnus, Purkeys, Power Products, Xantrex, and ZeroRPM. MCE takes great pride in translating customer needs into the highest quality products and solutions available in the markets it serves. For anyone who depends on stable, uninterrupted DC power — on the water, on the road, or in the field — Newmar remains one of the most comprehensive and field-proven choices available.</p>

Part Number

PT-24-45U
09/19/2036 3:55 PM
Sale Price

$2,179.66

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Product Details

The NewMar PT-24-45U is a professional-grade 24-volt battery charger designed for marine applications including workboats, military vessels, commercial vessels, and recreational craft. This intelligent charger delivers 45 amps of output across three isolated charging banks, utilizing advanced three-stage charging technology to optimize battery performance and longevity.

Smart Three-Stage Charging Technology:

The PT-24-45U automatically progresses through bulk, absorption, and float charging stages to provide the ideal charge profile for your batteries. A convenient selector switch adjusts output voltage to match gel-cell, flooded lead-acid, or AGM battery types, ensuring compatibility with virtually any 24-volt battery system. The charger is recommended for battery banks ranging from 90 to 450 amp-hours.

Key Features:

  • Three isolated output banks with 45-amp total capacity; ammeter displays total output current
  • Universal input voltage: 90-264 VAC, 50-60 Hz with high power factor (.98 @ 115V, .95 @ 230V)
  • Battery type selector optimizes charge/float voltages for gel-cell, flooded lead-acid, or AGM batteries
  • Optional temperature compensation sensor (TCS-12/24) automatically adjusts voltage based on ambient temperature
  • Can function as a power supply to operate loads without batteries connected
  • Current limiting protection prevents damage from overloading
  • Compatible with optional remote panel (RP model) for charge cycle monitoring and manual re-initialization
  • Works with PT-MCU for enhanced control and monitoring capabilities
  • ABS type-approved for battery charging and power supply applications

Rugged Marine Construction:

Built to withstand harsh marine environments, the PT-24-45U features a robust stainless steel enclosure with durable white powder coat finish. Internal circuitry is polyurethane coated for maximum corrosion resistance. Protection features include current limiting, thermal protection, forced air cooling, and optional drip shield. Operating temperature range: -20°C to +70°C (output derates linearly from 100% at 50°C to 50% at 70°C).

Technical Specifications:

  • Input Current: 12A @ 115 VAC, 7A @ 230 VAC at full load
  • Output: 24V nominal, 45A maximum across 3 banks
  • Gel-Cell Mode: 28.0 VDC charge, 27.2 VDC float
  • Flooded/AGM Mode: 28.4 VDC charge, 26.8 VDC float
  • Dimensions: 14.8"H x 9.6"W x 5.6"D (add 1" height and 0.5" depth with optional drip shield)
  • Weight: 12 lbs
  • Compliance: UL 1950, USCG CFR 183.410 (ignition protected), EN 60335-1, CE marked, ABS approved

Note: This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

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Happy

good price and placing an order was easy

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Easy shipping

best price good site.

Great Products, Very Cheap, Fast Shipping. Will be a returning Customer. A+++

1st time buyer

Lowest price I could find. Cheap shipping for the size. Pretty happy

So far, so good. Good prices.

Good price and very fast shipping.

Very cheap we will see

Great price for the product, fast shipping and the people there are very helpful.

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