10
SOLAR CHARGING MODE
1. Stage 1: Direct solar energy to charge the battery until the battery voltage reaches
14.5V, switches to stage 2.
2. Stage 2: Overpressure pulse charging, when the battery voltage is lower than
14.5V, charger pulses for 1 sec on and 1 sec off. This will occur for 2 hours,
or until 14.5V average is reached whichever comes first. Then will switch to
Stage 3.
3. Stage 3: Pulse floating charge, pulse 1 sec on 1 sec off at 13.8V.
When the auxiliary battery reaches 80% the Thunder DC-DC will automatically start to
charge the main and auxiliary batteries.
If the auxiliary battery drops below 80% the Thunder DC-DC will automatically stop
charging the main battery to ensure maximum charge flows to the auxiliary battery.
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