Product Description
Mean Mother 20A DC-DC Charger with Solar Input – Lithium Compatible (MMDCL20S)
Product Overview:
Keep your auxiliary battery charged from your vehicle battery or a solar panel. The Mean Mother 20A DC-DC charger is smart alternator compatible and supports lead acid, AGM, GEL, calcium and lithium (LiFePO4) batteries. Integrated Anderson style connectors make DIY installation easy, with no extra ignition wire needed. Mean Mother rates it to typically recharge a 100Ah lead acid battery from 50% in about 2.5 hours.
Features:
- Smart alternator compatible
- Charges from vehicle battery or solar panel
- Selectable battery types: Lead Acid, AGM, GEL, Calcium, Lithium (LiFePO4)
- Integrated Anderson style connectors – no ignition wire required
- Multistage charging with automatic equalisation
- Soft start function
- No fan, low noise operation
Specifications:
- Brand: Mean Mother
- Model: MMDCL20S
- DC Input: 13–16V (starts charging when start battery reaches 13V, stops below 12.5V)
- Solar Input: 16–25V, max. 300W (starts charging at 16V, stops below 12V)
- Output Current: 20A (DC) / 20A (solar)
- Output Voltage: 14.4–15.4V
- Bulk Charge: 14.4V Lead Acid, 14.7V AGM/GEL, 15.4V Calcium, 14.4V LiFePO4
- Float Charge: 13.5V Lead Acid/AGM/GEL/Calcium; not applicable for LiFePO4
- Float Current: 500mA
- Soft Charge Current: 8A
- Battery Range: 60–600Ah
- Standby Current: <10mA
- Lithium Wake-Up Function: No
- Operating Temperature: -20°C to +80°C
- Ingress Rating: IP33
Recommended Cable Size (Twin Core):
- 0–1m: 10 AWG
- 1–5m: 8 AWG
- 5m+: 6 AWG
Battery manufacturers sometimes specify charging voltages – not following their instructions may void your battery warranty.