How long will the C400 run a laptop or phone?

A 256Wh battery recharges a typical phone many times and runs a 50W laptop for roughly four to five hours. High-draw devices like kettles or heaters will drain it in minutes.

What does UDTURBO mode mean?

It lets the C400 briefly handle devices drawing up to 800W, above its steady AC rating. Treat it as a surge for startup loads, not a continuous 800W supply.

How fast does it recharge?

Up to 185W through the wall adapter or USB-C, which refills the battery in roughly two hours. The included 40W solar panel takes much longer, often a full day of good sun.

Is the battery really long-lasting?

Yes, it uses LFP chemistry rated for over 3000 charge cycles. That is several times the cycle life of typical NMC power stations.

What comes in the box?

The C400 power station, a 40W folding solar panel, and the charging cable for wall recharging. Check the listing for the exact adapter included.

Can it run a CPAP or a small fridge?

A CPAP at 30-60W will run through a night. A small 12V fridge draws more and will only last a few hours on 256Wh.

What do buyers say about the UDPOWER C400 Solar Generator with 40W Solar Panel?

Rated 4 out of 5 from 3 ratings.

UDPOWER C400 Solar Generator with 40W Solar Panel

Best price now

$239.99at UDPOWERChecked Nov 9

Prices are checked against each store and labelled with when.

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UDPOWER discount code →

UDPOWER C400 Solar Generator with 40W Solar Panel

Best price now

$239.99at UDPOWERChecked Nov 9

Prices are checked against each store and labelled with when.

Visit UDPOWER

UDPOWER discount code →

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Price facts

Last seen at $239.99 at UDPOWER on Nov 9.

Our take on the UDPOWER C400 Solar Generator with 40W Solar Panel

The UDPOWER C400 is a 256Wh portable power station built on lithium iron phosphate (LFP) cells, sold with a 40W folding solar panel. It runs devices up to 800W through its UDTURBO mode and offers dual AC outlets, USB-A, USB-C, DC and a car socket. Recharging is flexible: up to 185W from a wall adapter or USB-C, plus solar and car input. The LFP battery is rated for over 3000 cycles, which is the main edge over cheaper NMC power stations of similar capacity; the trade-off is a modest 256Wh that suits short trips and backup rather than whole-home use.

Best forCampers and weekend overlandersPhone, laptop and camera charging on the goShort power outages and desk backupBuyers who want a long-life LFP battery

Pros

LFP cells rated for over 3000 charge cycles
800W surge output via UDTURBO mode
Wide port mix: dual AC, USB-A, USB-C, DC, car socket
Fast recharge up to 185W by adapter or USB-C
Solar and car charging supported
40W solar panel included

Cons

256Wh is small for high-draw appliances
800W UDTURBO is a peak mode, not sustained output
40W panel is slow to refill the battery
No wireless charging pad or app control listed

UDPOWER C400 Solar Generator with 40W Solar Panel prices at every store

UDPOWERNew
In stockReturn policy
$239.99Checked Nov 9
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About the UDPOWER C400 Solar Generator with 40W Solar Panel

The UDPOWER C400 is a portable power station with a 256Wh LFP (lithium iron phosphate) battery. The battery is rated for over 3000 charge cycles.

It has dual AC outlets, USB-A, USB-C, DC and car cigarette lighter outputs. UDTURBO mode lets it run high-demand devices up to 800W.

It recharges through an adapter and USB-C at up to 185W. It also charges from solar panels and from a car. It is built to withstand extreme temperatures and can be used indoors or outdoors.

Capacity: 256Wh
Battery type: LFP (lithium iron phosphate)
Cycle life: Over 3000 charge cycles
Outputs: Dual AC, USB-A, USB-C, DC, car cigarette lighter
Peak output: Up to 800W with UDTURBO mode
Recharging: Up to 185W via adapter and USB-C; solar and car charging

Questions and answers

How long will the C400 run a laptop or phone?: A 256Wh battery recharges a typical phone many times and runs a 50W laptop for roughly four to five hours. High-draw devices like kettles or heaters will drain it in minutes.
What does UDTURBO mode mean?: It lets the C400 briefly handle devices drawing up to 800W, above its steady AC rating. Treat it as a surge for startup loads, not a continuous 800W supply.
How fast does it recharge?: Up to 185W through the wall adapter or USB-C, which refills the battery in roughly two hours. The included 40W solar panel takes much longer, often a full day of good sun.
Is the battery really long-lasting?: Yes, it uses LFP chemistry rated for over 3000 charge cycles. That is several times the cycle life of typical NMC power stations.
What comes in the box?: The C400 power station, a 40W folding solar panel, and the charging cable for wall recharging. Check the listing for the exact adapter included.
Can it run a CPAP or a small fridge?: A CPAP at 30-60W will run through a night. A small 12V fridge draws more and will only last a few hours on 256Wh.
Where is the UDPOWER C400 Solar Generator with 40W Solar Panel cheapest?: At UDPOWER, for $239.99, as of our latest check.
What do buyers say about the UDPOWER C400 Solar Generator with 40W Solar Panel?: Rated 4 out of 5 from 3 ratings.