Question 1

Will this charge a segway ninebot max scooter?

Accepted Answer

Short answer: No, the charge rate (153W)  is too high & the Ninebot battery (550 Wh) is too large. Check out Jackery 1000.

The Segway Ninebot Max scooter has a charger that puts out 122 watts (2.9 amps @ 42V) as per the specs. The charger is likely around 80% efficient. Basically 122 watts / .80 = 153 watts draw from AC plug. This is slightly more than the Krisdonia's 130 watt AC inverter can support; so it probably will not work.

In addition the Segway Ninebot Max has a very large 550 Wh (watt hour) battery; compared to the Krisdonia's 222 Wh battery. Plus you would have charging inefficiency's for the 110V AC inverter and the charger's DC converter.

I suggest you look at a much larger power station (aka solar generator) with at least 1,000 Wh (watt hours) of capacity. For example the Jackery Explorer 1000 for $1,000 on Amazon. It has a large 1,002 Wh battery capacity, and a 1,000 watt (rate) AC inverter. Though it does weigh about 22 lbs. Its inverter is likely 85% efficient. The Ninebot charger is likely 80% efficient.

Therefore: (1,002 Wh * .85 * .80) / 550 Wh Ninebot battery = 124% full charge (Jackery 1000). This would be an expensive solution, but it would work. Hope this helps.

Question 2

Is this a pure signwave or a modified signwave?

Accepted Answer

Hi. It is a modified signwave.
Thank you. Have a nice day.

Question 3

this is compatible with a iPhone pro max 12 and iPad Pro and other devices

Accepted Answer

this unit is great for iphone pro max 10. I use the USB output to cable to the iphone input. Should be as good for the later phones   For the iPad pro, same thing. It also runs Macbook Pro (Intel chips) directly from the USB C output. Very convenient.  Could also use the 110 AC to power up the big Mac power block and then to USB C, but it's not needed. Going direct makes the process more efficient.  Hope this helps.

Question 4

Looking for a portable outlet that can charge an air mattress for camping. Can this product charge an air mattress?

Accepted Answer

Hello. You need to check the wattage of the device. If it's less than 130W, it can be charged. If it's more than 130W, it can't be charged.
Thanks.

Brand	Krisdonia
Item model number	NJF-6X
Item Weight	3.96 pounds
Product Dimensions	8.66 x 5.91 x 1.57 inches
Item Dimensions LxWxH	8.66 x 5.91 x 1.57 inches
Color	black
Power Source	110v,Battery Powered,Corded Electric
Voltage	110 Volts
Batteries	1 Lithium Polymer batteries required. (included)
Manufacturer	Shenzhen Nejifu Technology Co.,Ltd
ASIN	B07L9W45MY
Is Discontinued By Manufacturer	No
Date First Available	December 12, 2018

Krisdonia AC Power Pack - 60000mAh/222Wh 130W Laptop Portable Charger Power Bank External Battery for Laptop, MacBook, Smartphone, Drone and More

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