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FAQ

Using Solar panels in Series and Parallel

1. The standard 400W solar panel supports up to 2 in series. 2. For non-standard solar panels with a wattage lower than 400W, the voltage and current can be used in series at 11-100V DC 10A. They can be connected in parallel or in series, but using solar panels with different wattages is not recommended.

How to Use X-Boost

X-Boost has been enabled by default, but you can use the EcoFlow app to turn this function on or off. X-Boost cannot be used in the following situations: (1) AC output is turned on in the charging state (in bypass mode) (2) The X-Boost mode is turned off. X-Boost is suitable for heating and electrical equipment but not for electrical appliances with voltage protection, such as precision instruments. Refer to the actual test to check whether a device is compatible with X-Boost.

How many portable solar panels can I hook up to it?

DELTA mini’s technical specs for solar input are: 300W, 11–75V DC, 10A max. In practical terms, you can connect multiple portable solar panels in series (i.e., connecting one panel directly to the next) as long as their combined open circuit voltage doesn’t go over 75V.

Will it recharge from third-party portable solar panels?

Yes, DELTA mini is compatible with portable solar panels that are 10–75V DC, 10A max and that have solar connectors. We recommend using portable solar panels that have a combined wattage of around 300W.

How long does it last?

All rechargeable batteries lose capacity over time but how fast depends on the battery. In ideal conditions, DELTA mini’s battery will have 80% health after 800 cycles; most phone batteries and portable power stations reach 80% health after only 500 cycles.

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