GOLDFOREST Car Battery Jump Starter with Air Compressor 4000A 150PSI, Portable Car Jumper Starter (10L Gas/8L Diesel), 12V Jump Box with Auto-Stop Tire Inflator, 20000mAh, Car Emergency Kit

Product details

From the brand Built to Start. Made to Last. GOLDFOREST creates precision-crafted auto gear—from jump starters to dash cams—designed for safer, smarter, and smoother driving. Welcome to GOLDFOREST We’re a passionate team focused on building smarter, safer car accessories you can count on—wherever the road takes you. Our promise is simple: Premium Quality – Thoughtfully built to perform and last. You First – Questions or concerns? We're here to help, always. Welcome to GOLDFOREST We’re a passionate team focused on building smarter, safer car accessories you can count on—wherever the road takes you. Our promise is simple: Premium Quality – Thoughtfully built to perform and last. You First – Questions or concerns? We're here to help, always. Product description Portable Car Battery Jump Starter with Air Compressor How many tires can this jumper box with air pump inflate on a full charge? It can inflate up to 8 car tires from flat to 36 PSI on a full charge. For continuous use, allow at least 1 minute between inflations to prevent overheating and auto-shutdown. How many tires can this jumper box with air pump inflate on a full charge? It can inflate up to 8 car tires from flat to 36 PSI on a full charge. For continuous use, allow at least 1 minute between inflations to prevent overheating and auto-shutdown. What vehicles can this jump starter boost? It supports most 12V vehicles with up to 10L Gas / 8L Diesel engines, including cars, trucks, motorcycles, tractors, lawnmowers, SUVs, snowmobiles. For repeated jump-starts, wait at least 10 minute between attempts to allow capacity recovery. What vehicles can this jump starter boost? It supports most 12V vehicles with up to 10L Gas / 8L Diesel engines, including cars, trucks, motorcycles, tractors, lawnmowers, SUVs, snowmobiles. For repeated jump-starts, wait at least 10 minute between attempts to allow capacity recovery. Why is there grease around the connection after inflation? The pump uses an oil-lubricated compressor for better sealing and longer lifespan. The grease is non-toxic, does not affect tire airtightness, and won’t cause any harm. Why is there grease around the connection after inflation? The pump uses an oil-lubricated compressor for better sealing and longer lifespan. The grease is non-toxic, does not affect tire airtightness, and won’t cause any harm. How long does the battery hold a charge? It can stay charged for up to 2 years. However, to maximize battery lifespan, it's recommended to recharge the unit every 3 months. How long does the battery hold a charge? It can stay charged for up to 2 years. However, to maximize battery lifespan, it's recommended to recharge the unit every 3 months. Why does the battery capacity run out after only 1 jump start? The battery capacity will appear "run out" after a jumpstart trial because of delivering a peak current at 4,000 amps in 12V. Just leave it unused for 10 mins or so and the capacity will increase gradually for laterh usage. Why does the battery capacity run out after only 1 jump start? The battery capacity will appear "run out" after a jumpstart trial because of delivering a peak current at 4,000 amps in 12V. Just leave it unused for 10 mins or so and the capacity will increase gradually for laterh usage. [8-IN-1 ROADSIDE LIFESAVER] Jump starter, 150PSI tire inflator, digital pressure gauge, 20000mAh power bank & 400-lumen LED flashlight (Flashlight/SOS/Strobe) in one palm-sized unit — replace a trunk full of tools with a single device [4000A REVIVES DEAD BATTERIES IN SECONDS] Instantly starts 12V vehicles (up to 10.0L gas / 8.0L diesel) — up to 70 starts per charge. "Force Start" mode bypasses safety checks to wake deeply drained batteries that other starters cannot [SET-AND-FORGET 150PSI AIR COMPRESSOR] Auto-stop at your preset pressure prevents over-inflation. Inflates a standard car tire (0–36 PSI) in about 5 minutes; 5 preset modes, 4 units (PSI/BAR/KPA/KG/CM²) [3.3" SUNLIGHT-READABLE LCD] Large high-contrast screen shows real-time tire pressure, battery percentage and diagnostic codes at a glance — clearly visible even in bright daylight [10-LAYER SAFETY, GOOF-PROOF CLAMPS] Spark-proof heavy-duty clamps with reverse-polarity alarm (loud beep + red light) protect your vehicle's electronics. Long cable reach fits most engine bays [CHARGES YOUR DEVICES TOO] 20000mAh capacity with USB-A output for phones/tablets; recharge the unit itself via Type-C (cable included) [WHAT YOU GET + LIFETIME SUPPORT] Jump starter, smart clamps, inflation hose, 4 nozzles, USB-C cable and user manual — backed by 12-month warranty & lifetime tech support. Storage tip: top up every 2–3 months to keep it emergency-ready