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12V 3.8A 7 step lead acid, gel & agm charger


Volts: 12
Length (mm): 168
Width (mm): 65
Height (mm): 38
Weight (kg): 0.6
Warranty: 5 years

Additional Information

The MXS 3.8 is a proven and reliable charger. It offers important features such as desulphation, maintenance charging and cold mode for optimised charging during cold winter days. It is also suitable for charging demanding AGM batteries (i.e. Optima). It is the ideal charger for those looking for quality and simple connect and forget charging. The MXS 3.8 is a fully automatic 7-step charger that charges 12V batteries from 8–80 Ah and is suitable for maintenance charging up to 130Ah. The MXS 3.8 is IP 65 classified (splash and dust proof) and delivers selectable 0.8A or 3.8A. It is designed to protect vehicle electronics and is non-sparking-, reverse polarity protected and short-circuit proof. The MXS 3.8 is delivered with a 5-year warranty.


  • Auto: Fully automatic for optimal charging
  • 12V: For all lead-acid batteries
  • Fully Charged Battery / Maintenance Charging
  • COLD/AGM: Charging in cold conditions and AGM batteries


  • Volt 12V
  • Rated Voltage AC 170–260VAC, 50–60Hz
  • Charging voltage SMALL, NORMAL: 14.4V, COLD/AGM: 14.7V
  • Min battery voltage 2.0V
  • Charging current 3,8A max
  • Current, mains 0.5A rms (at full charging current)
  • Back current drain <1Ah/month
  • Ripple <4%
  • Ambient temperature -20°C to +50°C, output power is reduced automatically at high temperatures
  • Charger type 4-step, fully automatic charging cycle
  • Battery types All types of 12V lead-acid batteries (WET, MF, Ca/Ca, AGM and GEL)
  • Battery capacity 8–80Ah up to 130Ah for maintenance
  • Dimensions 168 x 65 x 38mm (L x W x H)
  • Insulation class IP65
  • Weight 0.6kg


Manufacturer Information