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Description
Newmar PT-25W Battery ChargerPT 25W Battery Charger Newmars Phase Three Series Battery Chargers employ Smart battery charging technology for 12 volt systems aboard marine applications including 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
PT-25W Battery Charger
Newmar’s Phase Three Series Battery Chargers employ “Smart” battery charging technology for 12-volt systems aboard marine applications including 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. This model is 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:
- 12-volt model
- “Smart” circuitry provides three-stage charging – bulk, absorption, and float
- 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)
- The optional sensor adjusts the output voltage based on battery temperature. (Except PT-7)
- Current limitations prevent damage from overloading
- Clean well-regulated output can be used as a power supply; can power loads directly without a battery in line
- Built to last – rugged stainless steel case with a durable white powder coat finish, an optional drip shield, and marinized internal circuitry
- Protection: Current Limiting, Thermal Protection, Forced Air Cooling, Drip Shield
- ABS-type approval for battery charging and power supplies
Specifications:
- Input VAC (50-60 Hz.): 90-132 or 180-264
- Input Amps @ Full Load: @ 115 VAC: 6.5, @ 230 VAC: 4
- Power Factor: .7
- Max Output Amps: 25
- Output Banks: 3
- Battery Capacity (Amp-Hours): 50-250
- Operating Temp. Rating Reference: T-4
- Case Size Reference: A-2
- Case Size (H x W x D): 11.2A x 7.7 x 4.75A inches (31.8A 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: 8.2/4
- Optional Temp. Sensor Model: TCS-12/24
- Remote Panel Model: RP
- Equalize Option: Yes
- Output Indicator Reference: M-3
- Compliance Reference: CG
Temperature Rating References:
- Temperature: -20 degrees C to +60 degrees C
- Derate Linearly From 100% @ 50 degrees C to 60% @ 60 degrees C
Nominal Output Voltages at Gel/Flooded Switch Settings (without Temperature Compensation):
- Gel-Cell: 14.0 VDC Charge @ 50% load and 13.6 VDC Float @ .5 amp load
- Flooded/AGM: 14.2 VDC Charge @ 50% load and 13.4 VDC Float @ .5 amp load
Compliance References:
- CG: USCG CFR 183.410 (Ignition protected)
- 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.
Options:
- Remote Panel, model RP, for use with all models except PT-7 and PT-40U (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)
- Temperature Compensation Sensor, Model TCS 12/24, for use with all models except PT 7 (-5 mV per cell degrees C, 25′ cable (40’cable optional)
Specifications:
- Charger Input - Voltage: 115/230v
- Charger Output - Amps: 25a
- Charger Output Voltage: 12v
- Charging Banks: 3
- Portable: No
- Inverter Input Voltage: 115/230v
- Inverter Output Voltage: 12v
- Outlet Qty: Hardwire
- Box Dimensions: 10"H x 10"W x 16"L WT: 9.5 lbs
Owner's Manual (pdf)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
These things work great for my apple products.
Color: White
Used for apple watch, iphone 15 Pro Max and air pods pro. Have one that was purchased elsewhere and given to me as a gift.
Wanted another but was waiting for a price drop that was more in line with my feelings of what is a fair price. Amazon offered them at a decent price so sprung for a second. WHY?
They are very stable. Doesn’t feel like it will tip even with my phone on there horizontally.
Footprint is very small.
I can put the phone both vertical and horizontal and it charges great with both an Ultra 3 watch and an apple watch 11. Can also charge the air pods at the same time.
The best part that justifies the price is it comes WITH the watch charger right there on it. You don’t have to lace your own watch cord through some tiny space like some others I have owned. And the apple watch chargers are expensive.
Would easily fit in a bag to carry with me. Although it doesn’t fold down for travel.
Comes with the USB wall wort and the USB-C cable. C cable plugs into the single outlet on the back of the charging unit.
No issues with overheating of devices.
I bought the white one. The plastic charging pads for the phone and air pods are a light gray and they look good together and with the white. I just like white, but they have other colors.
It also charges my Anker Soundcore rechargable earbuds.
It has a white light that comes on when I put my items on the charger.
I will absolutely be getting another. Have been buying Anker products for a while. Nearly all have been fabulous. BUT they did have a recall on a 5000 or 10000 mAH portable charging pack. Cannot remember which it was. But amazon notified me about it, even before the recall hit the news.
Have had absolutely no problems with either one I have.
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Reviewed in the United States on March 16, 2026
★★★★★ 5
Awesome charger!
Color: White
I have a few Anker chargers and this is definitely a favorite! I usually charge my phone and watch simultaneously so I got this one for traveling. I love the way my phone stands on the charger. It’s great to check the time when waking up. It charges my watch very quickly so I can put it back on before falling asleep. The fast charge and compact form is great for traveling. It’s also easy to plug in and charge my phone, watch, and earbuds at home. Anker chargers are my favorite. I’ve never had an issue with them and they work forever.
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Reviewed in the United States on January 25, 2026
★★★★★ 4
Another excellent Anker product
Color: Black
I always start my peripheral search with Anker. As all my Anker equipment are, it’s solid, compact and works as promised. If I get really picky, when I have my Air Pods charging, the band of my Apple Watch takes some extra effort to tuck in above it (a little more height would be appreciated, although it would work against its compactness). That’s a really minor gripe.
I love that the magnet is strong and that the orientation can be changed from landscape to portrait without removing it from the mount. It will fit into a suitcase easily and the AC adapter is small. I couldn’t be happier with it!
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Reviewed in the United States on April 24, 2026
★★★★★ 5
The only MagSafe charger you’ll ever need..!!
Color: Black
Yet another AWESOME charger from Anker..!! Unlike cheaper MagSafe chargers, this one almost reaches out and grabs your phone when you’re attaching it for charging.. Holds your phone securely for bedside mode at night and there’s no need for a 25W charger that’s more expensive.. Just a perfect size and works well… looks no further…. This is the bedside charger to get..!!
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Actual, honest-to-goodness fast charging
Color: Black
After unsuccessfully buying two different so-called "fast" chargers that completely lied about their charging ability, specifically for the Apple watch, I finally bought this one. What a world of difference! I have an Apple watch ultra, which is fantastic on battery life, and I appreciate that I can actually wear it while I sleep. I have to charge it about every day and a half, which means that sometimes I need to top it up while I'm at work. (Alternatively, I could be a slave about charging it every day at home, but part of the reason I switched to the Ultra is to not have to be that obsessive about charging.)
Anyway, I needed a good charger at work. I ordered one that claimed to be 5W watch charging, and it blatantly lied. It took over an hour to get about 20% of a charge. I ordered another, similar results. This one is night and day different. My watch will fully charge at the posted speeds Apple boasts about with fast chargers. If it's running a little low during the day, I can pop it on the charger for 20-30 minutes and have enough juice to last through my hour+ swim workout, no problem.
The phone charger is fast, too, and if you use a magsafe case, it has a very firm hold. Without a magsafe case, your phone may drop off the charger (mine did), which is frustrating. Since I have another magsafe charger at home, I just bought a new case (they're cheap) and now I'm super happy with this.
The contact charger on the back will work to charge your phone (or a second phone) or earbuds, too.
Very happy with this purchase. It's a bit pricier than the cheapo other brands, but it actually freaking works and charges quickly. It's worth the money.
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Reviewed in the United States on February 11, 2026