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ChargeMaster Series Battery Chargers
Charge your batteries quickly and completely

Make the most of your batteries with the ChargeMaster series, plugging in and charging anywhere in the world. Mastervolt’s ChargeMaster guarantees fast and complete charging of your batteries no matter where you are. And thanks to Mastervolt’s innovative 3-step+ charging process, batteries also perform better and last longer.

Features
• For recreational and semi-professional use
• Suitable for any type of battery, including Lithium Ion batteries
• 3-Step+ charging technology for fast and complete charging, also charges depleted batteries
• Memory function prevents overcharging in case of unreliable mains
• Safe and complete charging due to standard safety features
• Charging capacity up to 1000 Ah battery banks
• Easy to connect and quick to install
• Can charge multiple battery banks simultaneously
• Built-in system functionality (MasterBus) in combination with other Mastervolt products
• Clear control panel
• Supplies your system without battery

BLA Code110296110298110300110302110304110306110308110314110316
DescriptionPowerCharger 12/20-3PowerCharger 12/40-3ChargeMaster 12/10-1ChargeMaster 12/15-2ChargeMaster 12/25-3ChargeMaster 12/35-3ChargeMaster 12/50-3ChargeMaster 24/6-1ChargeMaster 24/12-3
General Specifications
Nominal output voltage12V12V12V12V12V12V12V24V24V
Total charge current20A40A10A at 14.25V15A at 14.25V25A at 13.25V35A at 14.4V50A at 14.4V6A at 28.5V12A at 26.5V
Number of battery outlets331233313
Charge current second output20A40An.a.15A25A35A50An.a.12A
Charge current third output20A40An.a.n.a.25A35A50An.a.12A
Recommended battery capacity50–250Ah100–450Ah25–100Ah30–150Ah50–250Ah70–350Ah100–500Ah25–70Ah24–120Ah
Nominal input voltage120/230V (50/60 Hz)120/230V (50/60 Hz)230V (180–265V) –­ 50/60Hz230V (180–265V) –­ 50/60Hz120/230V (90–265V) – 50/60Hz120/230V (90–265V) – 50/60Hz120/230V (90–265V) – 50/60Hz230V (180–265V) – 50/60Hz120/230V (90–265V) – 50/60Hz
AC connection6.5 ft AC cableconnector stripscable + plugcable + plug2 mtr AC cableconnector stripsconnector stripssocket2 mtr AC cable
Supplies your system without batteryyesyesnonoyesyesyesnoyes
Display/read-outLED displayLED display1 LED1 LEDLED displayLED displayLED display1 LEDLED display
Dimensions, H x W x D mm234 x 132 x 60291 x 210 x 131180 x 121 x 50206 x 121 x 50234 x 132 x 60291 x 210 x 131291 x 210 x 131180 x 121 x 50234 x 132 x 60
Weight kg1.84111.84411.8
Fasteningscrewmounting bracket/screws4x Screw4x Screw4x ScrewMounting Bracket (included) or 4x screw4x screw4x screw
ApprovalsCE, E-mark (95/54/EG), SAE J1171/ISO 8846 ignition protected, ABYC A-31, UL (incl, marine suppl)CE, E-mark, ABYC A-31, RRRCE, E-mark, ABYC A-31, RRRCE, ABYC A-31, SAE, J1171/ISO 8846 ignition protected, RRRCE, ABYC A-31, SAE, J1171/ISO 8846 ignition protected, RMRS, RRRCE, E-mark, ABYC A-31, RRRCE, ABYC A-31, SAE J1171/ISO 8846 ignition protected, RRR
Technical Specifications
Charge characteristic*IUoUo, automatic / 3-stepIUoUo, automatic / 3-stepIUoUo, automatic / 3-step
for gel/AGM/wet/Lithium Ionfor gel/AGM/wet/Lithium Ionfor gel/AGM/wet/Lithium Ion
Temperature compensation13.8V, -22 mV/°C or -7.6 mV/°Fnonoyesyesyesnoyes
Voltage compensationautomaticautomaticautomaticautomaticautomaticautomaticautomaticautomaticautomatic
DC consumption<2 mA<5 mA<1 mA<1 mA<2 mA<5 mA<5 mA<1 mA<2 mA
Full load consumption (230V AC)420 W700 W170 W250 W450 W575 W825 W210 W435 W
Current Control functionnononononoyes, through MasterBusyes, through MasterBusnono
Cos phi>0.98>0.98>0.95>0.95≥0.98≥0.98≥0.98>0.95≥0.98
Temperature range (ambient temp.)-13°–149°F-13°–158°F-13°F–140°F, >104°F derating-13°F–140°F, >77°F derating-13°F–140°F, >104°F derating-13°F–140°F, >104°F derating-13°F–140°F, >77°F derating
Coolingnatural coolingvario fannatural coolingvario fanvario fanvario fanvario fannatural coolingvario fan
Protection degreeIP23IP23IP65IP21IP23IP23IP23IP65IP23
Protectionsover temperature, over load, short circuit, high/low batteryover temperature, over load, short circuit, high/low batteryover temperature, over load, short circuit, high battery, low battery
MasterBus compatiblenonononono
Charger Status Interface (alarm contact)yes, using a Multipurpose Contact Output (110586)yes, integratedyes, integratedyes, using a Multipurpose Contact Output (110586)noyes, using a Multipurpose Contact Output (110586)
Options
MasterView Read-out 110668optionoptionn.a.n.a.optionoptionoptionoptionoption
EasyView 5 110661n.a.n.a.n.a.n.a.optionoptionoptionoptionoption
MasterShunt 110550n.a.n.a.n.a.n.a.optionoptionoptionoptionoption
MasterBus DC Distribution 110554n.a.n.a.optionoptionoptionoptionoptionoptionoption
MasterBus USB Interface 110564n.a.n.a.n.a.n.a.optionoptionoptionoptionoption
Multipurpose Contact Output 110586n.a.n.a.n.a.n.a.optionoptionoptionoptionoption
6m cable with battery temperature sensor 110610delivered as standarddelivered as standarddelivered as standarddelivered as standarddelivered as standarddelivered as standarddelivered as standarddelivered as standarddelivered as standard
15m cable with battery temperature sensor 110612optionoptionn.a.n.a.optionoptionoptionn.a.option