Newmar PT-24-8W Battery Charger [PT-24-8W]

Newmar PT-24-8W Battery Charger [PT-24-8W]

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PT-24-8W Battery Charger

“Smart” marine battery charging technology for 24-volt systems aboard workboats, military vessels, commercial vessels, and recreational craft. This charger interacts with batteries, providing the optimum three-stage charge process for fast recovery and conditioning, maximizing performance, and extending battery life.

A selector switch adjusts output voltage to adapt to gel-cell, flooded lead-acid, or AGM battery types. An optional temperature compensation sensor also adjusts output for ideal voltage based on changes in the batteries’ ambient temperature. All models are housed in a rugged stainless steel case with a durable white powder coat finish, and the internal circuitry is polyurethane coated for maximum corrosion resistance.


  • 24-volt model
  • “Smart” circuitry provides three-stage charging – bulk, absorption, float
  • Gel-Cell/Flooded Lead-acid/AGM battery type switch selects optimum charge/float voltages
  • Multiple isolated output banks; ammeter indicates total output current
  • The optional sensor adjusts output voltage based on battery temperature
  • Current limiting prevents damage from overloading
  • Use as a power supply; can power loads without a battery in line
  • Built to last – rugged stainless steel case with a durable white powder coat finish with an optional drip shield and marinized internal circuitry
  • Protection: Current Limiting, Thermal Protection, Forced Air Cooling, Drip Shield
  • Install in conjunction with PT-MCU for additional control and monitoring
  • ABS-type approval for battery charging and power supplies


  • Input VAC (50-60 Hz.): 85 – 264
  • Input Amps @ Full Load: @ 115 VAC: 2.8, @ 230 VAC: 1.4
  • Power Factor: .98@115V and .93@230V
  • Max Output Amps: 8
  • Output Banks: 3
  • Battery Capacity (Amp-Hours): 16 – 80
  • Operating Temp. Rating Reference: T-1
  • Case Size Reference: A-1
  • Case Size (H x W x D): 11.2A x 7.7 x 4.75A inches (28.4A x 19.6 x 12.1A centimeters) *Note with Dripshield installed A add 1.1” (2.8 cm) to height and .92” (2.3 cm) to depth
  • Weight Lbs./Kg: 8/4
  • Optional Temp. Sensor Model: TCS-12/24        
  • Remote Panel Model: RP
  • Compliance Reference: CG, CE, ABS

Temperature Rating References:

  • Temperature: -10 degrees C to +60 degrees C
  • Derate Linearly From 100% @ 40 degrees C to 60% @ 60 degrees C

Nominal Output Voltages at Gel/Flooded Switch Settings (without Temperature Compensation):

  • Gel-Cell: 28.0 VDC Charge @ 50% load and 27.2 VDC Float @ .5 amp load
  • Flooded/AGM: 28.4 VDC Charge @ 50% load and 26.8 VDC Float @ .5 amp load

Compliance References:

  • UL: UL 1950 (per DNB report)
  • CG: USCG CFR 183.410 (Ignition protected)
  • EN: EN 60335-1
  • CE: Carries the CE mark
  • ABS: PT Series meets SVR 2009 4-8-3/5.9, Under 90 meters Rules 2006 4-6-4/7.19, and HSNC 2007 4-8-3/5.13.


  • Remote Panel, model RP, for use with all models except PT-24-20U, PT-24-60, and PT-32-25 (LEDs indicate charger output stage. Manual re-initialization of three-stage charge cycle. With 25′ of cable. Panel dimensions: 3″ H x 4.75″ W)
This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.


  • Charger Input - Voltage: 115/230v
  • Charger Output - Amps: 8a
  • Charger Output Voltage: 24v
  • Charging Banks: 3
  • Inverter Input Voltage: 115/230v
  • Inverter Output Voltage: 24v
  • Outlet Qty: Hardwire
  • Portable: No
  • Box Dimensions: 10"H x 10"W x 16"L WT: 8.3 lbs

Quick Guide (pdf)
Owner's Manual (pdf)



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