SKU: 18676212713

Mastervolt Charge Mate Pro Lithium 40

Sale price$218.70 Regular price$243.00
Save 10%

Pay in installments of $60.75 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 22 - Jul 27

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Mastervolt Charge Mate Pro Lithium 40Charge Mate Pro Lithium 40 Current limited electronic charge relay with high efficiency and reverse current protection A secondary battery on board requires a dedicated charging solution. The Charge Mate Pro charging relay makes it possible to distribute the charger or alternator current effectively between two battery banks such as a starter and a service battery. The Charge Mate Pro connects both batteries during charging and keeps them isolated

Charge Mate Pro Lithium 40

Current limited electronic charge relay with high efficiency and reverse current protection

A secondary battery on board requires a dedicated charging solution. The Charge Mate Pro charging relay makes it possible to distribute the charger or alternator current effectively between two battery banks such as a starter and a service battery. The Charge Mate Pro connects both batteries during charging and keeps them isolated when discharging. This significantly reduces the risk of a flat starter battery for example.

The Charge Mate Pro offers an additional advantage over mechanical charge relays, by limiting the charge current to the second battery. The primary battery, like a starter battery, is therefore charged with priority. The return current is automatically blocked even when the secondary battery has a higher voltage. An emergency start function is possible by connecting an optional bypass switch to the Charge Master Pro.

A marine application example is the connection of a bow thruster battery to a service battery. The Charge Mate Pro ensures that the service battery is always charged with priority. The blocking of the return current from the bow thruster battery guarantees that the bow battery remains charged while the current limiting also prevents power dips of the onboard electrical network.

The Charge Mate Pro series consists of a 40 Amp and a 90 Amp version, both suitable for charger or alternator applications. 

Charge Mate Pro: for controlled charging from a single source.

Applications:

Leisure and professional marine and mobile applications. An effective solution for high power demand on board and/or the need for prioritized or current limited charging.

Features:

  • Electronic charge coupling with very low voltage drop.
  • Makes effective dual charging possible.
  • Suitable for charging from Lithium starter batteries to AGM/GEL/Lithium service batteries.
  • Charge current secondary battery limited to 40 A.
  • High system reliability by prioritizing charging of the main battery.
  • Unidirectional which blocks return current under all circumstances.
  • Prevents power dips in the onboard electrical network.
  • Suitable for all kinds of chargers and alternators.
  • Monitoring with LED status indication.
  • IP65 electronics in a corrosion-resistant casing with aluminum heat sinks.
  • Fast and easy installation

General Specifications:

  • Monitoring: LED (warnings and status indication)
  • Output current: Limited to 40 A
  • Number of battery outlets: 2
  • Input voltage range: 9-32 V
  • Parallel configuration: Yes
  • Battery voltage: automatic 12/24 V detection
  • Remote switch functions: On, off, auto, start assist
  • Dimensions, hxwxd: 157 x 140 x 80 mm/6.2 x 5.5 x 3.1 inch
  • Weight: 0,88 kg/1.9 lb
  • Compliance: CE

Technical Specifications:

  • Connection possibilities: 3 x fast-on connectors (switch, ground, and status) • switch: for an optional single pole ON-OFF-ON switch for remote operation • status: for an optional LED indicator
  • Power consumption: Switch open: < 1 mA at 12/24 V DC
  • Battery types: Suitable for charging from Lithium starter batteries to all types of batteries (for AGM/GEL starter battery applications, please use 83304002)
  • Switch on voltage: 13.7 V (12 V) / 27.4 V (24 V)
  • Switch on delay: 5 sec
  • Switch off voltage: 13.3 V (12 V) / 26.6 V (24 V)
  • Switch off delay: 2,5 sec
  • Relay: Electronically (MOSFETs with a low voltage drop of max 0.2 V)
  • Temperature range (ambient temp.): -40 °C to 60
  • Protection degree: IP65

Owner's Manual (pdf)
Brochure (pdf)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 18676212713

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.4 ★★★★★
Based on 20 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
T
Verified Purchase
Taj
Carnegie, US
★★★★★ 5
Fits 2017 and 2018 Honda CRV 1.5l
Easy and perfect fit for 2017 and 2018 Honda CRV with 1.5l engines. You need a Phillips screwdriver to remove the 4 screws holding the airbox. After that you just remove the old one and put the new one in the same orientation and put the screws back on. Helps the engine breathe which can result in slightly more power and mpg. I recommend changing every few years.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 8, 2025
M
mike R
Battle Creek, US
★★★★★ 4
Looks identical to the OEM
Changed this filter in a matter of 3 -4 minutes. The fit and feel seems identical to the Honda OEM filter---feels just as heavy and fit exactly. For $10 it's a bargain. I drove about 20 miles after installing, also with no problems. 4 stars because I want to give a long term report... I will report a few months from now to advise how it held up under North East conditions.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 11, 2023
C
Verified Purchase
craigerino
Pawtucket, US
★★★★★ 5
3rd purchase very good!
Great filter. Easy install with a Phillips screwdriver. 5 min and an amateur can do it. This is my 3rd purchase and will save so much money vs dealer
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 14, 2026
C
Verified Purchase
Chindee
Port Orchard, US
★★★★★ 5
Great price and perfect fit.
Fits perfectly in my 2017 Honda Cr-v.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 9, 2026
M
Verified Purchase
marina
Lake Worth, US
★★★★★ 5
It’s the right part tor Acura integra
Size: 7.32" x 7.48" x 2.28"
Perfect fit easy to replace good quality !
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026

recommand products