CTEK M300 Charger (12V~25 Amp). Includes bonus CTEK XS800 charger.

CTEK charger features:

Eight step, fully automatic switch mode.
Revives, charges, checks and maintains virtually all types of 12V lead-acid batteries (Wet, MF, GEL and AGM) from 50Ah to 500Ah.
Desulphation mode with pulses.
Soft start for severely discharged batteries.
Recondition mode with controlled top charging recovers the capacity of a severely discharged battery.
Maintenance pulse charging increases battery life and gives superb performance.
Charges even drained batteries.
Temperature compensated for optimal charging voltage at all times.
The charger can be connected for months, ideal for seasonal vehicles.
Compact design with mounting holes for permanent assembly.
Delivered with the M300 is an extra charger for your starter batteries, with the same specification as the CTEK XS800
5 year warranty.

Technical specs:

nput voltage: 170-260VAC, 50-60Hz
Efficiency: 85%
Charging voltage: 14.4V, Temperature compensated
Charging current: 25A max
Back current drain: <2Ah per month
Ripple: <4%
Ambient temperature: -20°C to +50°C, output power is reduced automatically at higher temperatures.
Cooling Fan
Type of charger: Eight step, fully automatic, switch mode with pulse maintenance.
Type of batteries: All types of 12V lead-acid batteries (Wet, MF, AGM and GEL).
Battery capacity: 50-500Ah
Insulation IP 44 (Outdoor use)