Batteries & Battery Equipment
Shop for boat batteries and battery equipment, including battery combiners, monitors, switches and battery boxes, by Mastervolt and Roca.
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Mastervolt Battery Mate 250A - 3-IG
Mastervolt
$351.37Onboard systems usually consist of two or more batteries that function independently when powering the 12 or 24 V consumers. These batteries require independent charging with reliable battery isolators or battery combiners. Mastervolt offers several...MV83125035$351.37 -
Mastervolt Battery Watch - 12V/24V DC
Mastervolt
$278.51Onboard systems usually consist of two or more batteries that function independently when powering the 12, 24 or 48 V consumers. These batteries require independent charging with reliable battery isolators or battery combiners. Mastervolt offers several...MV83200150$278.51 -
Mastervolt Charge Mate Pro - 40A
Mastervolt
$305.30Current 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 makes it possible to distribute the charger or alternator current...MV83304002$305.30 -
Mastervolt Charge Mate Pro - 90A
Mastervolt
$324.10Current 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 makes it possible to distribute the charger or alternator current...MV83309002$324.10 -
Mastervolt MLI Ultra Lithium Ion Battery - 12/1250
Mastervolt
$1,975.61The Mastervolt MLI Ultra 1250 is the most compact battery in Mastervolt’s range and is ideal for both marine and mobile applications where long lifespan, lightweight, fast charging & compactness are key. This model is 12 V, but 24 V also...MV66011250$1,975.61 -
Mastervolt MLI Ultra Lithium Ion Battery - 24/1250
Mastervolt
$1,975.61The Mastervolt MLI Ultra 1250 is the most compact battery in Mastervolt’s range and is ideal for both marine and mobile applications where long lifespan, lightweight, fast charging & compactness are key. This model is 24 V, but 12 V...MV66021250$1,975.61 -
Mastervolt MLI Ultra Lithium Ion Battery - 24/6000
Mastervolt
$7,439.75The MLI series delivers ultimate Lithium Ion performance even under the harshest conditions, such as high charge and discharge currents, wet environments, mechanical shocks or vibrations. This is realized by combining our best Lithium-Iron Phosphate...MV66026000$7,439.75 -
Mastervolt MVG Gel Battery - 12V/120Ah
Mastervolt
$731.71In Gel batteries, the electrolyte is absorbed by a Gel. This type of battery is entirely maintenance-free and has no gas formation with normal use. As no extra ventilation is required, Gel batteries can be installed anywhere. They are ideal as service...MV64001200$731.71 -
Mastervolt MVG Gel Battery - 12V/140Ah
Mastervolt
$881.71In Gel batteries, the electrolyte is absorbed by a Gel. This type of battery is entirely maintenance-free and has no gas formation with normal use. As no extra ventilation is required, Gel batteries can be installed anywhere. They are ideal as service...MV64001400$881.71 -
Mastervolt MVG Gel Battery - 12V/200Ah
Mastervolt
$1,115.27In Gel batteries, the electrolyte is absorbed by a Gel. This type of battery is entirely maintenance-free and has no gas formation with normal use. As no extra ventilation is required, Gel batteries can be installed anywhere. They are ideal as service...MV64002000$1,115.27 -
Mastervolt MVG Gel Battery - 12V/25Ah
Mastervolt
$172.42In Gel batteries, the electrolyte is absorbed by a Gel. This type of battery is entirely maintenance-free and has no gas formation with normal use. As no extra ventilation is required, Gel batteries can be installed anywhere. They are ideal as service...MV64000250$172.42 -
Mastervolt MVG Gel Battery - 12V/55Ah
Mastervolt
$304.65In Gel batteries, the electrolyte is absorbed by a Gel. This type of battery is entirely maintenance-free and has no gas formation with normal use. As no extra ventilation is required, Gel batteries can be installed anywhere. They are ideal as service...MV64000550$304.65