The Mastervolt ChargeMaster Plus 12/100-3 is a battery charger with 100 A at 14.4 V of charging current, a weight of 5.9 kg 13.0 lb, a supply of 120/230 V (80-275 V) 50/60 Hz and an ingress rating of IP23, vertical mounting.
Last updated: 8 October 2026
Battery and charging
- Communications bus
- MasterBus, CZone, NMEA
- What it draws on standby
- < 2 mA (MasterBus off)
- Temperature compensation
- -30 mV/°C / -17 mV/°F; temperature sensor included
- Input voltage
- 120/230 V (80-275 V) 50/60 Hz
- Output current
- 100 A at 14.4 V
“Communication interfaces MasterBus, CZone, NMEA”
Source: mastervolt.com/products/chargemaster-plus/chargemaster-plus-12-100-3-czone
“Power consumption (DC side) < 2 mA (MasterBus off)”
Source: mastervolt.com/products/chargemaster-plus/chargemaster-plus-12-100-3-czone
“Temperature compensation -30 mV/°C / -17 mV/°F; temperature sensor included”
Source: mastervolt.com/products/chargemaster-plus/chargemaster-plus-12-100-3-czone
“Nominal input voltage 120/230 V (80-275 V) 50/60 Hz”
Source: mastervolt.com/products/chargemaster-plus/chargemaster-plus-12-100-3-czone
“Total charge current 100 A at 14.4 V”
Source: mastervolt.com/products/chargemaster-plus/chargemaster-plus-12-100-3-czone
Battery care and safety
- Operating temperature range
- -25 °C to 80 °C, derating < 0 °C and > 40
- Ingress protection
- IP23, vertical mounting
“Temperature range (ambient temp.) -25 °C to 80 °C, derating < 0 °C and > 40”
Source: mastervolt.com/products/chargemaster-plus/chargemaster-plus-12-100-3-czone
“Protection degree IP23, vertical mounting”
Source: mastervolt.com/products/chargemaster-plus/chargemaster-plus-12-100-3-czone
Size and fit
- Overall dimensions
- 384 x 250 x 127 mm 15.1 x 9.8 x 5.0 inch
- Stated weight
- 5.9 kg 13.0 lb
“Dimensions, hxwxd 384 x 250 x 127 mm 15.1 x 9.8 x 5.0 inch”
Source: mastervolt.com/products/chargemaster-plus/chargemaster-plus-12-100-3-czone
“Weight 5.9 kg 13.0 lb”
Source: mastervolt.com/products/chargemaster-plus/chargemaster-plus-12-100-3-czone
Other findings
- Battery bank size
- 400-1000 Ah
- Charge characteristic
- IUoUo, automatic / 3-step+ for Gel/AGM/flooded/Lithium Ion + user defined option
- Max output current
- 100 A
- Nominal output voltage
- 12 V
- Number of battery outputs
- 3 (max.)
“Battery bank size 400-1000 Ah”
Source: mastervolt.com/products/chargemaster-plus/chargemaster-plus-12-100-3-czone
“Charge characteristic IUoUo, automatic / 3-step+ for Gel/AGM/flooded/Lithium Ion + user defined option”
Source: mastervolt.com/products/chargemaster-plus/chargemaster-plus-12-100-3-czone
“Max. output current primary output 100 A”
Source: mastervolt.com/products/chargemaster-plus/chargemaster-plus-12-100-3-czone
“Nominal output voltage 12 V”
Source: mastervolt.com/products/chargemaster-plus/chargemaster-plus-12-100-3-czone
“Number of battery outlets 3 (max.)”
Source: mastervolt.com/products/chargemaster-plus/chargemaster-plus-12-100-3-czone
Certification claims
- Product compliance claim
- CE, ABYC, UL1236, SAE J1171, ISO 8846, CEC/DOE, RCM/C-Tick, RMRS, RRR
“Compliance CE, ABYC, UL1236, SAE J1171, ISO 8846, CEC/DOE, RCM/C-Tick, RMRS, RRR”
Source: mastervolt.com/products/chargemaster-plus/chargemaster-plus-12-100-3-czone
Sources
- Archived document
Source: mastervolt.com/products/chargemaster-plus/chargemaster-plus-12-100-3-czone
Retrieved October 8, 2026