FREE U.S SHIPPING ON ALL ORDERS *
CALL NOW +1 (305) 999-5212
Shop by Category
🚚 FREE SHIPPING INCLUDED 🚚
Mastervolt Alpha Pro III Advanced 3-step Charge Regulator
Model: 45513000The propulsion engine of your boat or vehicles may be used to quickly charge your service batteries, either while cruising or taking a break. The advanced and powerful Alpha Pro III ensures fast and safe charging, protecting both the engine and the batteries. Building on 10 years of experience, the Alpha Pro III features a modernized look, higher power and improved ease of use.
The Alpha Pro III measures the temperature and the voltage of your batteries to prevent overcharging, keeping them in perfect condition. It also monitors the engine load, thus reducing sound variations, wear and tear. The smart ‘keep alive’ feature solves a common problem causing unreliable tachometer readings. Via MasterBus, it communicates RPM, alternator status and charge status to create intelligent power systems.
The alternator that comes with the engine is not optimally suited for charging service batteries. Designed for low cost and short charge cycles, it charges at a slow pace and is easily overheated. Replacing the standard regulator* with the Alpha Pro III optimizes this charging process, protects against overheating and overcharging and extends the lifetime of your batteries.
For superfast charging at low RPM, Mastervolt recommends to combine the Alpha Pro III with a high performance alternator such as the reputable Alpha series. With 20 amps of field current capability, the Alpha Pro is the only 3-step regulator in the market capable of controlling alternators with outputs up to 400 A!
SpecificationsGeneral specifications | |
Link to MasterShunt | yes |
Connection to Mastervolt alternator | yes |
Connection to Bosch alternator | yes, using a Bosch adapter cable (product code 45510500) |
Nominal battery voltage | 12 V / 24 V |
Connection plug regulator/alternator | Alpha/Mastervolt |
Cooling | fanless |
MasterBus powering | yes |
Display/read-out | LED display |
Dimensions, hxwxd | 3.5 x 4.3 x 1.2 inch |
Weight | 0.9 lb |
Delivered with | battery temperature sensor with 6 m (20 ft) cable |
Technical specifications | |
Charge characteristic | IUoUo, automatic / 3-step+ for Gel/AGM/flooded/Lithium Ion |
Charge voltage Bulk/Absorption/Float | default setting for AGM, Gel and Lithium Ion (adjustable) |
Absorption time | 4 hours, adjustable from 2 minutes to 12 hours |
Temperature compensation | -17 mV/ °F |
DC voltage compensation | voltage drop compensation in DC cables up to 3 V |
Field current | up to 20 amps |
MasterBus compatible | yes |
Mastervolt Alpha Pro III Advanced 3-step Charge Regulator
Model: 45513000The propulsion engine of your boat or vehicles may be used to quickly charge your service batteries, either while cruising or taking a break. The advanced and powerful Alpha Pro III ensures fast and safe charging, protecting both the engine and the batteries. Building on 10 years of experience, the Alpha Pro III features a modernized look, higher power and improved ease of use.
The Alpha Pro III measures the temperature and the voltage of your batteries to prevent overcharging, keeping them in perfect condition. It also monitors the engine load, thus reducing sound variations, wear and tear. The smart ‘keep alive’ feature solves a common problem causing unreliable tachometer readings. Via MasterBus, it communicates RPM, alternator status and charge status to create intelligent power systems.
The alternator that comes with the engine is not optimally suited for charging service batteries. Designed for low cost and short charge cycles, it charges at a slow pace and is easily overheated. Replacing the standard regulator* with the Alpha Pro III optimizes this charging process, protects against overheating and overcharging and extends the lifetime of your batteries.
For superfast charging at low RPM, Mastervolt recommends to combine the Alpha Pro III with a high performance alternator such as the reputable Alpha series. With 20 amps of field current capability, the Alpha Pro is the only 3-step regulator in the market capable of controlling alternators with outputs up to 400 A!
SpecificationsGeneral specifications | |
Link to MasterShunt | yes |
Connection to Mastervolt alternator | yes |
Connection to Bosch alternator | yes, using a Bosch adapter cable (product code 45510500) |
Nominal battery voltage | 12 V / 24 V |
Connection plug regulator/alternator | Alpha/Mastervolt |
Cooling | fanless |
MasterBus powering | yes |
Display/read-out | LED display |
Dimensions, hxwxd | 3.5 x 4.3 x 1.2 inch |
Weight | 0.9 lb |
Delivered with | battery temperature sensor with 6 m (20 ft) cable |
Technical specifications | |
Charge characteristic | IUoUo, automatic / 3-step+ for Gel/AGM/flooded/Lithium Ion |
Charge voltage Bulk/Absorption/Float | default setting for AGM, Gel and Lithium Ion (adjustable) |
Absorption time | 4 hours, adjustable from 2 minutes to 12 hours |
Temperature compensation | -17 mV/ °F |
DC voltage compensation | voltage drop compensation in DC cables up to 3 V |
Field current | up to 20 amps |
MasterBus compatible | yes |
Download this print friendly page
Shipping within the US
Promotional Shipping (e.g., free shipping) is only applied to orders shipped within the contiguous United States and does not apply to Alaska, Hawaii, Puerto Rico or the US Virgin Islands. All shipments to Alaska or Hawaii and any other territories under the control of the United States may incur additional shipping charges based upon the location, weight and dimensions of the package once secured for shipment. Due to the distance of the above mentioned locations, please be aware that shipments may take a minimum of 5 business days to arrive.
Expedited shipping costs provided by MMarine are only an estimate. You will be notified if the actual shipping cost exceeds the estimated shipping cost. We will never charge an increased shipping fee without your consent!
International Shipping
If your shipping address is located outside of the US, additional tax duties beyond our control may apply to collect your order upon delivery. Please be advised that shipping charges displayed on our website DO NOT INCLUDE customs, duties, or brokerage and import fees. Since these additional duties are unforeseen and unassociated with MMarine Online, it's the recipients responsibility to pay all applicable duties, taxes and brokerage fees that may apply upon the delivery and/or collection of your order.
Returns
A 25% RESTOCKING FEE WILL BE APPLIED TO ALL RETURNS. Returns made within 30 days of the purchase date will be refunded to the original form of payment. Any returns initiated beyond 30 days of purchase will not be accepted. NO EXCEPTIONS. We reserve the right to refuse returns or assess additional fees at our discretion based upon the condition of the item(s) returned. ALL HIGH TICKET ITEMS ARE FINAL SALE. NO RETURNS, NO EXCHANGES.
If you need to return an item, please Contact Us with your order number and details about the item. We will respond with instructions on how to return the item(s). Please ensure the item(s) are returned in its original packaging and properly secured for return shipment. Insurance MUST be applied to your return and tracking information of your return must be supplied to MMarine Online via email at info@mmarineonline.com
Damages
We thoroughly inspect each item(s) prior to shipment to ensure and guarantee that the item(s) is free of any cosmetic damages and/or missing parts. While we take extra measures to ensure safe and secure shipment of your product, issues during shipment - while rare - are possible.
Upon receiving shipments from MMarine Online and our partner shipping carriers, it is critical that you IMMEDIATELY inspect the package for damage PRIOR to signing for it and before accepting delivery from the carrier. If any damage is present, it MUST be noted on the carriers slip and reported to MMarine Online IMMEDIATELY. If damage is discovered after accepting a shipment, it MUST be reported to MMarine Online within 72 hours of the delivery.
In the event that damage is reported beyond 72 hours of delivery, MMarine Online will not accept any responsibility in replacing and/or further servicing your order.
It is imperitive that you document the damage(s), this means photos of the exterior of the box MUST be supplied along with photos of the visible damage(s). It is crucial that ALL packaging- the bubble wrap, the box and pallet be saved, as required by the insurance company to file and successfully submit a claim of damage.
We will replace defective products with an exchange for the same model and style ONLY.
If your parcel is left without a signature and damage is found, please contact us within 48 hours at (305)999-5212 or via email at info@mmarineonline.com. Your package should be unopened, unused and remain in the condition in which it was delivered until you successfully report a claim with MMarine Online.
Return on Electronics - Serial Number Policy
On returns of all electronics, serial numbers must match with serial number of product originally shipped and will undergo inspection; if serial numbers are not matching, a refund will not be issued.
All warranty claims should be made directly with the manufacturer.
Should you require any assistance, we're more than happy to help establish contact with the manufacturer to assist you with the initiation of your claim and/or inquiry. If you require further support please call (305) 999-5212 or email us at INFO@MMARINEONLINE.COM
My offers