GOOLOO - GT4000S 4000A Jump Starter, 100W Two-Way Fast Charging, 12V Lithium Booster for All Gas & Up to 10L Diesel Engine

GOOLOO A3 portable car jump starter with air compressor provides up to 3000A peak current and high capacity, its upgraded jumper cable can safely start all 12V vehicles which up to 9.0L gas and 6.5L, includes cars, trucks, motorcycles, boats, RVs, tractors, ATVs, UTVs, lawnmowers, snowmobiles, etc. Built-in high-quality motor, inflating function is more powerful than others, the Gooloo A3 jump starter battery pack can inflate tires' pressure from 3PSI to 150PSI in minutes and won't shot-down due to over heated.Meanwhile, it is ultra-lightweight and portable. Easy to use and friendly design, just follow the user manual and help you to use it in minutes, also equipped with 400 Lumen led light, lighter weight and compact design, more portable and worked as power bank!

The GBX45 Boost X is a new class of portable lithium jump starters—engineered for extreme performance and rated at 1,250 amps to start gas engines up to 6.5 liters and diesel engines up to 4.0 liters. Featuring our upgraded UltraSafe 2.0 technology, it offers spark-proof connections and reverse polarity protection, now with enhanced thermal efficiency and power management for even greater safety and battery life. Designed with a high-voltage output system, the GBX45 includes an integrated 60-second timer to conserve energy—delivering up to 6 jump starts per charge with maximum power on every start. Even if completely depleted, it can gain enough power for a jump start in just 5 minutes or fully recharge in only 48 minutes via USB-C Power Delivery. A 60-watt USB-C port provides both input and output, turning Boost X into a high-performance power bank for fast charging phones, tablets, laptops, and other USB-C devices. A precision-engineered 100-lumen LED flashlight features seven modes, including SOS and strobe, to light up dark workspaces or help in roadside emergencies. The GBX45 jump starter comes complete with heavy-duty jumper clamps, a USB-C charging cable, and a microfiber storage bag, all backed by a 1-year limited warranty and proudly engineered in the USA. Whether you’re looking for a car jump starter, battery jump box, jumper pack, power pack jump starter, or a reliable jump starter battery pack to keep in your glovebox, the GBX45 delivers unmatched performance, trusted durability, and peace of mind—on the road, off the grid, or wherever your next adventure takes you.

This WOLFBOX JS24 car jump starter provides up to 4000A peak current and 24000mAh high capacity. It can safely start gas and diesel engines. Works on all (12 volt) cars, trucks, boats and large vehicles, meanwhile it is very portable. The JS24 battery jump starter works with a smart jumper clip to provide 10 safety protections to ensure safe use. The JS24 car jump starter power supply contains an LED screen that clearly displays all status indicators of the portable car jump starter power supply. You can easily identify the current status of your emergency power source and provide seamless access to all functions. This JS24 car jumper is also equipped with 1*65W Type-C input/output port and 1*QC 3.0 USB-A port, which can save 50 when charging your mobile phone, tablet, Kindle or digital camera 50% time. Tips：A 65W charging plug needs to be purchased separately.