AllPowers R2500 is a 22500W Pure Sine Wave Inverter (4000W peak) with charge in 1 hour (AC + Solar); Maximum 1000W solar charge in 2 hours and 15ms uninterruptible home backup UPS. Has long-life LiFeP04 battery with over 3,500 charging cycles and expandable up to 20kWh with B3000 expansion battery. Because it is designed with LFP battery pack, with regular use it can last 6X longer than other batteries. Also included in this kit is a 400W foldable solar panel with with XT60 port connectors and other adapters so it can be used with multiple unit types. Comes with everything shown here in original packaging. This unit was charged/discharged about 3 times only to do a product review and is like new. These exact products were tested here: https://youtu.be/pmPfUHP1uqc?si=F5Yx8bjLSpGeiGM_ and they work as shown. There is no damage or known problems, work as new and will be shipped in original packaging. Keep in mind that these were functionally tested as shown, are being offered at a fair price and there is no deficiencies or defects known so absolutely no returns will be accepted. If you’re unsure if you want to purchase and would rather try it first and return it if you change your mind, move along and do not purchase here. Here is the link for Amazon if this is the way you prefer to purchase things. R2500: https://amzn.to/3PNoWLk Solar Panel: https://amzn.to/46hUW05 (Allpowers site: https://bit.ly/3t8gUUw ) If you do decide to purchase these I’ll do my best to pack and ship these quickly. Might even throw in some bonus SWAG... never know! Due to the size they will come in separate packages.