GOLDFOREST 4000A Jump Starter with Air Compressor Portable Car Battery Jumper Starter 10L Gas 8L Diesel 150PSI Jump

Product description Previous page Next page 1 Inflation Auto-Shut Off 2 Portable Car Jump Starter 3 Easy to Jump Start 4 Easy to Tire Inflator Previous page Next page 1 8 In 1 Value Tool 2 Multifunctional 3 Package Included Previous page Next page 1 150PSI Fast Inflation 2 4000A Peak Quickly Start 3 Larger Upgraded Battery 4 Live Pressure Display 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. 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. Why does the

Highlights: [8-IN-1 PORTABLE EMERGENCY STATION] More than a basic jump starter: integrates battery booster, 150PSI tire inflator, digital pressure gauge, 20000mAh power bank, 400-lumen LED flashlight with SOS/Strobe modes. Type-C input for fast recharging, USB-A output for charging phones and tablets on the go [4000A PEAK - START COMPLETELY DEAD BATTERIES] Instantly revives drained 12V vehicles up to 10.0L gas or 8.0L diesel engines, even at extreme temperatures from -4°F to 140°F. Force Start mode jumpstarts zero-voltage batteries that other starters cannot. Up to 70 starts per charge, 1500+ recharge cycles [SMART 150PSI TURBO AIR COMPRESSOR] Turbocharged 30L/min motor inflates flat car tires (0-36 PSI) in under 5 minutes. Set-and-forget technology: auto shut-off at your preset pressure prevents over-inflation. 5 preset modes, 4 pressure units (PSI/BAR/KPA/kg/cm2), 4 nozzles included [SUNLIGHT-READABLE LCD DIAGNOSTIC DISPLAY] Large high-contrast screen remains clearly visible in direct sunlight, showing real-time battery percentage, tire pressure readings, charging status, and error alerts. No guesswork: always know exactly when your device is ready for emergencies [10-LAYER SAFETY WITH V0 FIREPROOF BATTERY] Smart jumper clamps feature spark-proof technology, reverse polarity alarm with loud beep and red light warning, overcurrent, short circuit, and temperature protection. Premium lithium cells meet V0 fire resistance rating for maximum safety [ESSENTIAL CARE TIPS - PLEASE READ] (1) Fully charge before first use. (2) Recharge every 2-3

What you can expect: [8-IN-1 PORTABLE EMERGENCY STATION] More than a basic jump starter: integrates battery booster, 150PSI tire inflator, digital pressure gauge, 20000mAh power bank, 400-lumen LED flashlight with SOS/Strobe modes. Type-C input for fast recharging, USB-A output for charging phones and tablets on the go [4000A PEAK - START COMPLETELY DEAD BATTERIES] Instantly revives drained 12V vehicles up to 10.0L gas or 8.0L diesel engines, even at extreme temperatures from -4°F to 140°F. Force Start mode jumpstarts zero-voltage batteries that other starters cannot. Up to 70 starts per charge, 1500+ recharge cycles [SMART 150PSI TURBO AIR COMPRESSOR] Turbocharged 30L/min motor inflates flat car tires (0-36 PSI) in under 5 minutes. Set-and-forget technology: auto shut-off at your preset pressure prevents over-inflation. 5 preset modes, 4 pressure units (PSI/BAR/KPA/kg/cm2), 4 nozzles included [SUNLIGHT-READABLE LCD DIAGNOSTIC DISPLAY] Large high-contrast screen remains clearly visible in direct sunlight, showing real-time battery percentage, tire pressure readings, charging status, and error alerts. No guesswork: always know exactly when your device is ready for emergencies [10-LAYER SAFETY WITH V0 FIREPROOF BATTERY] Smart jumper clamps feature spark-proof technology, reverse polarity alarm with loud beep and red light warning, overcurrent, short circuit, and temperature protection. Premium lithium cells meet V0 fire resistance rating for maximum safety [ESSENTIAL CARE TIPS - PLEASE READ] (1) Fully charge before first use. (2) Recharge every 2-3 months during storage - lithium batteries self-discharge 3-5% monthly and deep discharge causes permanent damage. (3) Jump start when battery

Customer feedback: 4.5/5 average rating.

Review snippets: This little item was a totally good surprise. I have a lawn tractor that hasn't got enough cranking amps to start, it is also my snowblower. This little Jump Starter helped start it immediately. Read more / This portable jump starter and air compressor combo is an excellent purchase and something every vehicle should have. The air compressor works great with a convenient “set-and-forget” feature that automatically stops once the preset PSI is reached. It filled a

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. Previous page 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. Next page