Newmar PT14W 12v Charger 3 Bank 14 Amp
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Newmar PT14W 12v Charger 3 Bank 14 Amp Product Description
Keep your boat's batteries primed and ready for the next adventure with the Newmar PT14W, a powerhouse 14-amp, three-bank charger designed for the demanding world of marine and RV life. Imagine pulling into your slip after a long day on the water, only to find your house, engine start, and thruster batteries drained. This smart charger steps in with precision three-stage charging to restore them efficiently, preventing overcharge while maximizing capacity and lifespan. Built tough for salty air and rough conditions, it's the reliable choice for boaters who can't afford downtime.
Engineered for Real-World Reliability
In harsh marine environments, ordinary chargers falter—corroding internals, inconsistent output, or failure under load. The PT14W stands apart with its stainless steel chassis finished in durable white powder coat and polyurethane-coated circuitry that shrugs off moisture and salt. It's fully universal, accepting 115-230V AC input without fuss, whether you're docked stateside or cruising abroad. Users rave about its quiet operation and consistent performance, even in engine rooms where heat and vibration are constant.
Smart Three-Stage Charging: Bulk, Absorption, and Float
Unlike basic trickle chargers that can boil batteries dry, this unit employs intelligent circuitry:
- Bulk Phase: Delivers maximum current (up to 14 amps total across three isolated banks) to quickly recover deeply discharged batteries.
- Absorption Phase: Tapers voltage to fully saturate cells without gassing.
- Float Phase: Maintains optimal voltage indefinitely, readying batteries for instant use.
A simple selector switch adapts to gel-cell, flooded lead-acid, or AGM types, ensuring peak performance. Pair it with the optional temperature sensor for automatic adjustments based on ambient conditions—crucial in engine bays that swing from freezing winters to scorching summers.
Versatile Features That Go Beyond Charging
The PT14W isn't just a charger; it's a complete power management solution:
- Three independent banks charge separate battery groups simultaneously, with total output shown on an integrated ammeter.
- Current limiting protects against overloads, safeguarding your investment.
- LED indicators and optional remote panel provide at-a-glance status—charging, float, or fault alerts.
- Power supply mode runs DC loads directly, even sans batteries.
- Equalize function for flooded batteries keeps plates clean and sulfation-free.
- Compact footprint (12.5 x 7.7 x 4.3 inches, 8 lbs) fits tight spaces.
Perfect for Marine, RV, and Commercial Use
Boat owners use it for house banks powering fridges and electronics, start batteries for reliable cranking, and bow thrusters. RV enthusiasts appreciate its ability to handle deep-cycle setups during off-grid camping. In commercial vessels or workboats, it supports 28-140 amp-hour batteries per bank, scaling effortlessly. Ignition-protected and compliant with key safety standards, it meets rigorous demands without compromise.
Installation Insights from Pros
Mount it vertically in a dry, ventilated spot away from batteries to minimize fumes. Use marine-grade wire (10-12 AWG recommended) for outputs, fused at 20 amps. Connect AC input via a GFCI-protected shore power circuit. Test banks individually post-install to verify isolation—no cross-charging here. Pro tip: Position near your panel for short runs, and add the temp sensor if batteries see wide temp swings for 10-20% longer life.
Quick Specs at a Glance
- Output: 12V DC, 14A max (3 banks)
- Input: 85-264V AC, 50/60Hz
- Battery Fit: 28-140 Ah per bank
- Dimensions: 12.5" H x 7.7" W x 4.3" D
- Weight: 8 lbs
- Warranty: Two years parts and labor
Frequently Asked Questions
What battery types does the Newmar PT14W support?
It handles gel-cell, flooded lead-acid, and AGM batteries via a built-in selector switch for customized charging profiles.
Can I use the PT14W as a power supply without batteries?
Yes, it functions as a stable DC power supply for loads up to 14 amps, ideal for testing or direct powering.
Does it have temperature compensation?
An optional TCS-12/24 sensor automatically adjusts output voltage for optimal charging across -10°C to +60°C ranges.
How many batteries can I charge at once?
Three isolated banks allow simultaneous charging of separate battery groups, like start, house, and accessory banks.
Is the PT14W suitable for marine use?
Absolutely—its corrosion-resistant build, ignition protection, and compliance with USCG standards make it a top pick for boats.
What if my batteries are deeply discharged?
The three-stage process starts with high-current bulk charging to recover them quickly and safely, preventing damage.
How do I know the charging status?
An ammeter shows total output, while LEDs indicate bulk, absorption, float, or faults. Optional remote panel available.
14 Amp Phase Three Series Battery ChargerThe "Smart" Charger for Almost Any ApplicationPhase Three "Smart" battery charging technology allows you to select the right size, features and flexibility you require for virtually any application from small recreational craft to large live-aboards, workboats and other commercial vessels. These chargers interact with batteries to put them through the optimum three stage charge process which provides for fastest recovery and ideal conditioning, maximizing battery performance and extending battery life.A selector switch adjusts output voltage to adapt for gel-cell/flooded lead-acid/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 choice of a natural or durable white powder coated finish, and the internal circuitry is polyurethane coated for maximum corrosion resistance.
NewMar PT14W Attributes
- Number Of Banks: 3
- Application: 12 Volt Batteries
- Output Voltage: 12 Volt
- Input Voltage: 115 To 230 Volt
- Ampere Rating: 14 Amp Charging
- Universality: Fully Universal
- Length (IN): 12-1/2 Inch
- Width (IN): 7.7 Inch
- Height (IN): 4.3 Inch
NewMar PT14W Features & Benefits
- Smart circuitry provides three stage charging--bulk, absorption, float.
- Multiple isolated output banks; ammeter indicates total output current.
- Optional sensor adjusts output voltage based on battery temperature.
- Current limiting-prevents damage from overloading.
- Charger status clearly displayed with L.E.D., ammeter, or optional remote panel.
- Use as a power supply; can power loads without a battery in line.
- Optional drip shield and marinized internal circuitry.
- Numerous Safety and EMC Compliances
- Two year parts and labor warranty
Three Stage "Smart" Chargers
Phase Three "Smart" battery charging technology is now available in a wide range of power levels, allowing you to select the right size, features and flexibility you require for virtually any application from small recreational craft to large live-aboards, workboats and other commercial vessels. These chargers interact with batteries to put them through the optimum three stage charge process which provides for fastest recovery and ideal conditioning, maximizing battery performance and extending battery life.
A selector switch adjusts output voltage to adapt for gel-cell/flooded lead-acid/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.
Features
-
"Smart" circuitry provides three stage charging?bulk, absorption, float.
-
Wide model range covers battery system ratings from 14-950 amp-hours
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Gel-Cell/Flooded Lead-acid/AGM battery type switch selects optimum charge/float voltages.
-
Multiple isolated output banks; ammeter indicates total output current. (except PT-7)
-
Optional sensor adjusts output voltage based on battery temperature. (except PT-7)
-
Current limiting-prevents damage from overloading.
-
Charger status clearly displayed with L.E.D. and/or audible indicators or optional remote panel.
-
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.
-
Numerous Safety and EMC CompliancesTwo year parts and labor warranty
Models
| 12 Volt | 24 Volt | 32 Volt |
| PT-7 | PT-24-8W | PT-32-25W |
| PT-14W | PT-24-13W | |
| PT-25W | PT-24-20U | |
| PT-40U | PT-24-45U | |
| PT-80 | PT-24-60W | |
| PT-24-95U | ||
| Detailed specifications below. | ||
Specifications
| 12 Volt Models | PT-7 | PT-14W | PT-25W | PT-40W | PT-80 |
| Input VAC (50-60 Hz.) | 88-132 or | 85-264 | 90-132 or | 85-135 or | 90-264 |
| Input Amps @ Full Load | |||||
| @ 115 VAC | 2 | 2.8 | 6.5 | 8.5 | 12 |
| @ 230 VAC | 1 | 1.4 | 4 | 4.3 | 7 |
| P.F. Rating | >.65 | .93@230V | .7 | .7 | .95@230V |
| Max Output Amps | 7 | 14 | 25 | 40 | 80 |
| Output Banks | 2 | 3 | 3 | 3 | 3 |
| Battery Capacity (Amp-Hours) | 14-70 | 28-140 | 50-250 | 80-400 | 160-800 |
| Operating Temp. | T-1 | T-2 | T-4 | T-5 | T-7 |
| Case Size Ref. | A-1 | A-2 | A-2 | A-3 | A-5 |
| Weight; Lbs./Kg. | 3.2/1.5 | 8/4 | 8.2/4 | 12/6 | 15.2/7 |
| Optional Temp.Sensor Model | N/A | TCS-12/24 | TCS-12/24 | TCS-12/24 | TCS-12/24 |
| Remote Panel Model | N/A | RP | RP | RP | RP |
| Equalize Option | No | Yes | Yes | Yes | Yes |
| Output Indicator Ref. | M-1 | M-3 | M-3 | M-3 | M-3 |
| Compliance Ref. | CG, CE | CG, CE | CG | CG, CE | CE |
| 24 Volt Models | PT-24-8W | PT-24-13W | PT-24-20U | PT-24-45U | PT-24-60W | PT-24-95U |
| Input VAC (50-60 Hz.) | 85-264 | 90-132 or | 85-135 or | 90-264 | 207-253 | 90-264 |
| Input Amps @ Full Load | ||||||
| @ 115 VAC | 2.8 | 6.5 | 8.5 | 12 | NA | 26 |
| @ 230 VAC | 1.4 | 4 | 4.3 | 7 | 13 | 14 |
| P.F. Rating | .93@230V | .7 | .7 | .95@230V | .7 | .95@230V |
| Max Output Amps | 8 | 13 | 20 | 45 | 60 | 95 |
| Output Banks | 3 | 3 | 3 | 3 | 3 | 3 |
| Battery Capacity (Amp-Hours) | 16-80 | 26-130 | 40-200 | 90-450 | 120-600 | 180-950 |
| Operating Temp. | T-2 | T-3 | T-5 | T-8 | T-6 | T-8 |
| Case Size Ref. | A-2 | A-2 | A-3 | A-5 | A-6 | A-6 |
| Weight; Lbs./Kg. | 8/4 | 8.2/4 | 12/6 | 12.2/6 | 24.1/11 | 24.5/11 |
| Optional Temp.Sensor Model | TCS-12/24 | TCS-12/24 | TCS-12/24 | TCS-12/24 | TP | TCS-12/24 |
| Remote Panel Model | RP | RP | RP | RP | N/A | RP |
| Equalize Option | Yes | Yes | Yes | Yes | No | Yes |
| Output Indicator Ref. | M-3 | M-3 | M-3 | M-3 | M-2 | M-3 |
| Compliance Ref. | CG, CE | CG | CG, CE | EN, CE | EN, CE | EN, CE |
| 32 Volt Model | PT-32-25W |
| Input VAC (50-60 Hz.) | 104-126 |
| Input Amps @ Full Load | |
| @ 115 VAC | 15 |
| @ 230 VAC | N/A |
| P.F. Rating | .7 |
| Max Output Amps | 25 |
| Output Banks | 3 |
| Battery Capacity (Amp-Hours) | 50-250 |
| Operating Temp. | T-6 |
| Case Size Ref. | A-4 |
| Weight; Lbs./Kg. | 12.2/6 |
| Optional Temp.Sensor Model | TP |
| Remote Panel Model | N/A |
| Equalize Option | No |
| Output Indicator Ref. | M-2 |
| Compliance Ref. | EN, CE |
Case Size
| Inches | Centimeters | |||||
| Ref | H | W | D | H | W | D |
| A-1 | 10.5 | 5.0 | 2.8 | 26.7 | 12.7 | 7.1 |
| A-2 | 12.5 | 7.7 | 4.3 | 31.8 | 19.6 | 10.9 |
| A-3 | 13.85* | 9.5 | 4.8* | 35.2* | 24.1 | 12.2* |
| A-4 | 13.8A | 9.8 | 5A | 35A | 24.9 | 12.7A |
| A-5 | 14.8B | 9.6 | 5.6B | 37.6B | 24.4 | 14.2B |
| A-6 | 17.5C | 12 | 7.2C | 44.5C | 30.5 | 18.3C |
| * Add .75" (1.9 cm) to height and 1.35" (3.4 cm) to depth | ||||||
Temperature Rating References:
| T-1 | -10°C to +45°C; Derate linearly from 100% @ 0°C to 80% @ -10°C |
| T-2 | -10°C to +60°C; Derate linearly from 100% @ 40°C to 60% @ 60°C |
| T-3 | -10°C to +60°C; Derate linearly from 100% @ 50°C to 60% @ 60°C |
| T-4 | -10°C to +60°C; Derate linearly from 100% @ 40°C to 60% @ 60°C |
| T-5 | -40°C to +60°C; Derate linearly from 100% @ 50°C to 75% @ 60°C |
| T-6 | -20°C to +50°C; Full output |
| T-7 | -20°C to +70°C; Derate linearly from 100% @ 45°C to 50% @ 70°C |
| T-8 | -20°C to +70°C; Derate linearly from 100% @ 50°C to 50% @ 70°C |
Output Indicator References
| M-1 | Total output ammeter |
| M-2 | Charge/Float L.E.D. |
| M-3 | Total output ammeter and charger status L.E.D.'s/Alarms |
Compliance References*
See matrix for applicable models
CG USCG CFR 183.410 (Ignition protected)
EN EN 60335-1, EN 60335-2-29
CE Carries the CE Mark
* Numerous other Safety and EMC compliances may also apply. Contact factory if further compliance
information is required.
Nominal Output Voltages at Gel/Flooded Switch Settings
(Without Temperature Compensation option installed or at 22.2˚C (72˚F) with Temperature
Compensation option installed.)
| | 12 Volt Models | 24 Volt Models | 32 Volt Model | |||
| Charge | Float | Charge | Float | Charge | Float | |
| Setting | @ 50% load | @ .5 amp load | @ 50% load | @ .5 amp load | @ 50% load | @ .5 amp load |
| Gel-Cell | 14.0 VDC | 13.6 VDC | 28.0 VDC | 27.2 VDC | 37.3 VDC | 36.2 VDC |
| Flooded/AGM | 14.2 VDC | 13.4 VDC | 28.4 VDC | 26.8 VDC | 37.8 VDC | 35.7 VDC |
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Newmar PT14W 12v Charger 3 Bank 14 Amp Technical Specifications
| Type: | |
|---|---|
| Vendor: |
NewMar |
| Weight: |
10.0 lb |
Newmar PT14W 12v Charger 3 Bank 14 Amp User Reviews
Newmar PT14W 12v Charger 3 Bank 14 Amp Shipping & Return
| Shipping Weight: |
10.0 lb |
|---|---|
| Box Sizes: |
1.00 (h) x 1.00 (w) x 1.00 (l) |
| Cubic Feet: |
1.0 |
| Returnable: |
Yes |
| USPS First Class: |
Yes |
| P65: |
Yes |
| Truck Delivery: |
Yes |
For detailed shipping policy please check our Shipping Policy and you can find our Return and Refund Policy here.