Brand new, unused, and unopened, so it's priced at the lowest possible price, and I'm willing to take a loss. Please understand that I'm not offering further discounts. This is a must-have for winter battery failures. With this, you can easily revive your battery in case of a sudden failure. This is a reliable Meltec jump starter, a well-known brand. Having one on hand eliminates any worries. Made by Daizi Industry (Made in Japan), you can use it with peace of mind for a long time. It's also useful in disasters, power outages, and earthquakes, as it can charge your smartphone and be used as a light. Be prepared for battery failures with this (Meltec Jump Starter) Battery type: Lithium polymer battery, Battery capacity: 9200mAh (34Wh) Jump start output: DC12V/400A, Jump start usage time: within 2 seconds, Jump start applicable vehicles: DC12V gasoline cars under 5000cc, DC12V diesel cars under 3500cc USB output: DC5V/2.4A A terminal, LED light: Light 2W, Illumination MAX6W, Main unit charging method: USB cord, Main unit charging time: about 3.5 hours (when charging at 5V/2.4A), Operating temperature: -20℃〜60℃, Storage temperature: 0℃〜40℃ Protection functions: Reverse current protection function (jump starter cable), Overcharge protection, Jump starter cable length: about 260mm, USB cord length: about 500mm Meltec (meltec) Battery type: Lithium polymer Voltage: 12 volts Compatible vehicle types: 12V cars, gasoline cars, diesel cars Amperage: 400 amps Peak output current: 400 amps Having one of these on hand is reassuring in case of a sudden car battery failure. Even beginners can easily start the engine by following the instructions. Don't miss this opportunity.