Charon UPS documentation claims a very impressive performance. To verify the numbers I started by testing Chafon performance with my laptop to see if it comes close to the documented performance.
Chafron documentation states that they expect a 13" laptop to run for 6 hours. I took out the battery from my laptop, set the power options to never go into sleep mode and not to shut down the screen and measured how long it can run after I charged Charon UPS to its full capacity. The laptop ran from 5:50 pm to 12:25 am, for a total of 6 hours 35 minutes. For the last 5 minutes the battery level was shown as 0% and blinking, so I had a warning that it was about to run out of juice. This is the best case power usage scenario as I was not running any programs on the laptop other than the idle mode of the operating system. If the computer was doing some more intense work the power consumption would be higher and the battery would last less time. Never the less my test confirmed the numbers stated in the documentation and this backup battery has an impressive performance.
Once I exhausted the battery in my laptop experiment, I timed how long it took to fully recharge the Chafon battery.
8:20am start - 3% full
9:30am - 56% full
12:30pm - 88% full
1:00pm - 100% full
It took 3 hour and 40 minutes to fully recharge the battery.
I like how Chafon clearly identifies how long the battery will last. They state that it produces 288 WH, which means it can produce 288 watts per hour. To find out how long any devices will run on this battery you have to divide 288 watts by the amount of power a device draws. A watt is current multiplied by voltage. For example, if I measure my USB fan with a current monitor I get 0.40A and 5.05V which is 2.02 watts. This means this fan should run for approximately 144 hours (6 days) before this battery is exhausted.
The unique feature of Chafon UPS its portability. The Chafon box comes in a case with a handle, it weights 7 pounds and 1.2 oz, and its size is 11"L x 4.25"WS x 5.25"H.
Chafon has both AC and USB port. I found many uses for this large portable battery from using it as a back up when the power goes out at home to re-charging my Ghost drone (its battery requires an AC plug so my other battery chargers could not do it).
It lives up to the numbers they promise.
You can find it on Amazon by following this link.
Ali Julia review ★★★★★
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