The Mean Mother 20Amp DC-DC Battery Charger is a sophisticated multi-stage charger, designed to

charge AGM, GEL, Lead Acid, Calcium and most deep-cycle batteries (does not include lithium batteries).

Ideal for charging dual / secondary batteries, campers, caravans and portable battery packs while driving or via solar (without requiring an external solar regulator).

The charger uses digitised automation to charge and maintain your battery, including automatic
solar detection, so you can set it, forget it, and go exploring.

NOT SUITABLE FOR UNDER BONNET MOUNTING

Features:

Heavy Duty Aluminium Case and Mounting Brackets
Microchip Monitoring and Control
Fully Automatic High Frequency Multi-Stage Charging
Pulse Mode Technology To Extend Battery Life
Internal Temperature Monitoring and Output Control
Short Circuit and Overcharge Protection
Reverse Polarity Protection For Input and Output
Thermal Overload Protection
Do Not Require an External Solar Regulator
Built in MPPT with separate input
Solar Input Overload Protection
Comprehensive Instruction Manual Included
DIY easy to install unit
Set and forgot battery selection
Easy to read display
Main battery cut off at 12.3v
Solar can automatically start once main battery is isolated
DC battery input: 12.8 - 16.0 Volts
Solar input: 13.0 - 27.0 Volts
Output/charging voltage: 13.3 - 16.2V (stops charging when alternator output or vehicle battery below 12.3V)
DC output current: 20A
Solar output current: 20A
Minimum start voltage: 1.5 Volts - for battery being charged
12 months warranty *Conditions apply

TROUBLE SHOOTING TIPS
To change the battery tyre - You must do this before the second battery is connected. Once the second battery is connected to the unit, it virtually locks the setting/type.
Unit beeping - This can be 2 things, poor battery condition/old battery or a flat battery. If a flat battery, disconnect the second battery and start vehicle. This will help rest the unit. Reconnect second battery and run vehicle to start recharging battery.

DC battery input	: 12.8 – 16.0 Volts
Solar input	: 13.0 – 27.0 Volts
Output/charging voltage	: 13.3 – 16.2V (stops charging when alternator output or vehicle battery below 12.3V)
DC output current	: 20A
Solar output current	: 20A
Minimum start voltage	: 1.5 Volts – for battery being charged

20Amp

MPPT

12

Mean Mother® 20Amp DC-DC & MPPT Solar Charger

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