Mastervolt ChargeMaster 25A Battery Charger Fully AutomaticView all products in Battery Chargers #:  53098
Be the first to review this product
Mastervolt ChargeMaster 25A Battery Charger Fully Automatic

Click to enlarge

Free Shipping This Item qualifies for Free Shipping on orders over $99! More Info...

Fox 40 Safety Kit
Binnacle Gift Cards exempt. Website orders only. One Free item per customer/household. Ends Midnight Sunday Dec 3
12 Volt 25 Amp fully automatic battery charger. 9.2 x 5.2 x 2.4 inches.
More Details...   #53098
Brand:  Mastervolt
MFG Part#:   44010250
Add to Compare

View all Mastervolt Products
View all Products in Battery Chargers

Mastervolt ChargeMaster 25A Battery Charger Fully Automatic 44010250

Power you can rely on.

  • 3-Step+ charging technology for fast and complete charging.
  • Safe and complete charging due to standard safety features.
  • Memory function prevents overcharging in case of an unstable power supply.
  • Clear control panel.
  • Easy to install.
  • Built-in system functionality (MasterBus) in combination with other Mastervolt products.
Always on course with Mastervolt…

Mastervolt ensures you an electrical system with no weak links and a dependable and silent power supply. Whether for recreational or professional purposes, with Mastervolt you always have the power you can rely on... The power to be independent.

Make the most of your batteries with the ChargeMaster, plugging in and charging anywhere in the world.

Mastervolt’s ChargeMaster guarantees fast and complete charging of your batteries no matter where you are.

The ChargeMaster can charge multiple battery banks simultaneously thanks to its combined functionality.

Moreover, all ChargeMasters can be easily connected to a MasterBus network with only one cable and one connection.

You also have the option of central, local or remote monitoring, configuration and control of your system.

Specifications 12/25-3

General specifications  
Nom. output voltage

12 V

Total charge current

25 A

Number of battery outlets


Charge current second output

25 A

Charge current third output

25 A

Battery capacity range

50-250 Ah

Nom. input voltage

120/230 V (50/60 Hz)

AC connection

2 mtr AC cable

Supplies your system without battery



LED display

Dimensions, hxwxd

234x132x60 mm
9.2 x 5.2 x 2.4 inches


1.8 kg
4.0 pounds




CE, E-mark, ABYC A-31, SAE J1171/ISO 8846 ignition protected

Technical specifications  
Charge characteristic

IUoUo, automatic 3-step+ for gel/AGM/wet/Lithium Ion

Charge voltage Bulk

14.4 V

Charge voltage Absorption

14.25 V

Absorption time

4 hours

Charge voltage Float (wet batteries)

13.25 V

Charge voltage Float (gel/AGM batteries)

13.8 V

Temperature compensation

-30 mV/ °C
-17 mV/ °F

Voltage compensation


Power consumption (DC side)

< 2 mA

Full load consumption (230 V AC)

450 W

Current Control function


Power factor control

≥ 0.98

Temperature range (ambient temp.)

-25 °C to 60 °C, derating > 25 °C
-13 to 140 °F

Protection degree



vario fan

Sound level

< 52 dBA at 1 mtr


over temperature, over load, short circuit, high battery, low battery

MasterBus compatible


CSI/DC alarm

yes, using a Multipurpose Contact Output (code 77030500)

  Mastervolt Users Manual 12/25-3 24/12-3 CMSEN Hardware version up to H.

  Mastervolt Users Manual 12/25-3 24/12-3 Hardware version I and higher.

  Mastervolt ChargeMaster 12/25-3 Data Sheet
Share your knowledge of this product with other customers... Be the first to review this product Shipping FAQ

Q. Do you offer Free Shipping?
A. We have free ground shipping via UPS or Canada Post within Canada on most orders of $99 or more (pre-tax).

Q. What do you mean by most orders?
A. Some items are exempt from this offer and are indicated on the product page. Exempt items are usually bulky or heavy items such as buoys. Over 98% of the items on qualify for the free shipping offer.
To see what your shipping charge (if any) will be you can add the item(s) and quantities to the shopping cart and you will see a shipping cost calculator

Q. Where do you ship from?
A. We ship from Halifax, NS

Q. What is the delivery time?
A.  NS, NB, PE: 1 - 2 business days,
      ON, QC, NL: 2- 4 business days
      MB, SK, AB: 4-5 business days
      BC: 5-7 business days
When your order ships you will be emailed a tracking number which will give you the scheduled delivery date

Q. Do you offer Express Shipping?
A. We offer Express Shipping on some orders depending on the items ordered and the delivery address. If Express shipping is available for your order you will see the option on the checkout page. If you do not see the Express option and you want Express shipping please send an email and we will provide you with a quote (

Q. Do you require a signature on delivery?
A. We sometimes add a signature requirement especially if it is a high value package

Please Note:
Very Remote areas are exempt from Free Shipping offer. These are typically remote northern areas. Nunavut as well as many parts of the Yukon and NWT are exempt from free shipping

Money Back Guarantee
Guarantee You may return your purchase to us (with a return authorization number - use this form) within 30 days (extended to Jan. 5 for Christmas gifts purchased in Nov.) and we will refund the purchase price of the product. Items which are cut to order (rope, wire etc), software, chart cards and printed materials (paper charts, books) are not returnable.

Other Products in View More
Displaying 1 to 15 (of 17 products)  1       2       [ Next >> ] 
Marinco 10A Charge Pro Battery Charger 2 Bank (5/5) #: 15700 

Our Price: CAD$289.95 
Blue Sea Systems 7531 P12 Battery Charger 12V 25A 3-Bank #: 41563 

Our Price: CAD$899.95 
Xantrex TRUECharge2 20 Amp Battery Charger Gen 2 #: 32568 

Our Price: CAD$549.95 
Blue Sea Systems 7520 Battery Charger P12 LED Remote #: 41564 

Our Price: CAD$169.95 
Guest 2711A On-Board Battery Charger 10A 12V 2 Bank #: 31957 

Our Price: CAD$279.95
Sale: CAD$223.95

ProMariner ProMar1 DS-5 Battery Charger 5 Amp 1 Bank 12V DC 31505 #: 33280 

Our Price: CAD$169.95 
ProMariner ProSport HD12 Generation 4 - 12A Charger Dual Bank 44012 #: 33009 

Our Price: CAD$269.95 
ProMariner ProSportHD 20amp Plus Battery Charger 3 Bank 44021 #: 33050 

Our Price: CAD$339.95 
ProMariner ProNautic 1220P 20 Amp 3 Bank Battery Charger #: 33281 

Our Price: CAD$579.95 
ProMariner ProNautic 1230P 30 Amp 12V 3 Bank Battery Charger #: 33282 

Our Price: CAD$699.95 
ProMariner ProNautic 1240P 40 Amp 3 Bank Battery Charger #: 33284 

Our Price: CAD$739.95 
ProMariner ProNautic 1260P 60 Amp 3 Bank Battery Charger #: 33287 

Our Price: CAD$1,099.95 
Xantrex TRUECharge2 60 Amp Battery Charger Gen 2 #: 32234 

Our Price: CAD$899.95 
Xantrex TRUECharge2 40 Amp Battery Charger Gen 2 #: 32225 

Our Price: CAD$599.95 
Xantrex TRUECharge2 Remote Panel 808-8040-01 - For Gen 2 Chargers #: 32663 

Our Price: CAD$179.95 
Share your knowledge of this product with other customers... Be the first to review this product
Customers who bought Mastervolt ChargeMaster 25A Battery Charger Fully Automatic also purchased

Browse for more products in the same category as the Mastervolt ChargeMaster 25A Battery Charger Fully Automatic
Home » Electrical » Battery Chargers & Inverter Chargers » Battery Chargers
0 items

Compare Product  

Facebook Twitter YouTube Sign Up for Email