1. Charge the unit before first use.
2. Do not use solar panels with open circuit voltage higher than 28V. Solar input voltage
range for the unit is DC 12V~28V.
3. Charge the unit when the SoC drops below 5%. If the SoC drops to 0, power off the unit
and charge it for at least 30mins before restarting.
4. The unit is for off-grid use only. Do not connect its AC output to the grid.
5. If not used for more than 3 months, charge the unit to 40%~60% SoC and store it with
the power off. For optimum battery life, discharge and charge the unit every 3 months.
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