How do you charge this device?

USB-C port is used. I found that when I used less than a 33w charger nothing happened, but 33w charger and up just started charging when I plugged it in. Bought a 100W USB-C charger and it recharged from 0% to 100% in about an hour. This is not the only 100w out there, just the one I happened to buy as an example: https://www.amazon.com/dp/B0B62LGFGF?ref=ppx_yo2ov_dt_b_product_details&th=1

How long does the the jumper last if I use it regularly?

hello and thank you for your inquiry. The Microstarts are rated at about a 4-5 year lifespan. The can certainly last longer as well but you may see a decrease in capacity and output over time. This may also be affect by nature and frequency of use as well as storage conditions..etc. Thank you and please feel free to contact us if you have any other questions at all. Best regards, Antigravity Batteries

Can this unit @ min. oem spec. *reliably* jumpstart <10l gasoline powered auto w/completely depleted battery of any equip’d 12v type?

Hi Alpha and thank you for your inquiry. Yes, this would be within the rating specs for this device. Thank you and please feel free to contact us if you have any other questions at all. Best regards, Antigravity Batteries

what is the cold cranking amps?

Hi Gordan thank you for your inquiry. Cold cranking ratings are more so reserved for stand alone lead acid batteries so you typically won't see a jump starter rated by that specification but rather starting cranking amps. The XP-20-HD is rated at 930A starting current / 4650A peak. Hopefully that helps clarify but please feel free to contact us if you have any other questions at all. Best regards, Antigravity Batteries

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Q: Can this unit @ min. oem spec. *reliably* jumpstart <10l gasoline powered auto w/completely depleted battery of any equip’d 12v type?

Hi Alpha and thank you for your inquiry. Yes, this would be within the rating specs for this device. Thank you and please feel free to contact us if you have any other questions at all. Best regards, Antigravity Batteries

Q: what is the cold cranking amps?

Hi Gordan thank you for your inquiry. Cold cranking ratings are more so reserved for stand alone lead acid batteries so you typically won't see a jump starter rated by that specification but rather starting cranking amps. The XP-20-HD is rated at 930A starting current / 4650A peak. Hopefully that helps clarify but please feel free to contact us if you have any other questions at all. Best regards, Antigravity Batteries

Brand	Antigravity Batteries
Product Dimensions	2"D x 4"W x 9.5"H
Item Weight	2.1 Pounds
Amperage	930 Amps
Peak Output Current	930 Amps
Specification Met	UL
Manufacturer	Antigravity Batteries
UPC	711811704628
Global Trade Identification Number	00711811704628
Item Weight	2.1 pounds
Item model number	Micro-Start AG-XP-20-HD
Batteries	1 Lithium Ion batteries required. (included)
Manufacturer Part Number	AG-XP-20-HD

Antigravity Batteries: 4650A Jump Starter – 12V Heavy Duty Lithium Battery Booster Pack, Portable Jump Box, for up to 10.0L Gas & 8.0L Diesel Engines

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