Hellothis rekesun 500W solar generator's charge cycles is 10000 times.Pls buy with confidence. Dear pls contact our official after-sales email mai@reddylighting.com to get warranty.We promise 1 year product warrantypls don't worry about the quality.Thanks!

Of course. The models of vehicles on the market are different. For the sake of safety we set the car charging current to 8 amps by default not only to ensure safety but also does not affect normal use.