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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 Code110318110320
DescriptionChargeMaster 24/20-3ChargeMaster 24/30-3
General Specifications
Nominal output voltage24V24V
Total charge current20A at 28.8V30A at 28.8V
Number of battery outlets33
Charge current second output20A30A
Charge current third output20A30A
Recommended battery capacity40–200Ah60–300Ah
Nominal input voltage120/230V (90–265V) – 50/60Hz120/230V (90–265V) – 50/60Hz
AC connectionconnector stripsconnector strips
Supplies your system without batteryyesyes
Display/read-outLED displayLED display
Dimensions, H x W x D mm291 x 210 x 131291 x 210 x 131
Weight kg44
Fastening4x screw4x screw
ApprovalsCE, ABYC A-31, SAE J1171/ISO 8846 ignition protected, RMRS, RRR
Technical Specifications
Charge characteristic*IUoUo, automatic / 3-step for gel/AGM/flooded/Lithium Ion (LiFePO4)IUoUo, automatic / 3-step for gel/AGM/flooded/Lithium Ion (LiFePO4)
Temperature compensationyesyes
Voltage compensationautomaticautomatic
DC consumption<2.5 mA<2.5 mA
Full load consumption (230V AC)660 W925 W
Current Control functionyes, through MasterBusyes, through MasterBus
Cos phi≥0.98≥0.98
Temperature range (ambient temp.)-13°F–140°F, >104°F derating-13°F–140°F, >104°F derating
Coolingvario fanvario fan
Protection degreeIP23IP23
Protections
MasterBus compatible
CSI/DC alarm
Options
MasterView Read-out 110668n.a.option
EasyView 5 110661n.a.option
MasterShunt 110550optionoption
MasterBus USB Interface 110564n.a.option
Multipurpose Contact Output 110586n.a.option
6m cable with battery temperature sensor 110610delivered as standarddelivered as standard
15m cable with battery temperature sensor 110612optionoption
BLA CODE

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