3000A PEAK POWER FOR ANY 12V VEHICLE: This jump starter booster pack can Jumpstart 9L gas/7L diesel engines (cars, trucks, RVs, boats) in seconds—even at -4°F! The "BOOST" mode instantly activates when batteries drop below 9V, ensuring reliable starts for dead batteries. 30% stronger than standard 2000A models. 10-LAYER SAFETY BATTERY JUMP PACK TECHNOLOGY: Engineered with spark-proof clamps and reverse polarity alerts, this car battery charger jump starter features 10 protections (over-current/short-circuit/overload). Built for extreme environments (-4°F to 140°F), our jump starter battery pack is 3 times safer than generic portable jump starters for cars. 4-IN-1 EMERGENCY BATTERY JUMPER STARTER & POWER BANK: 15W USB-C/Quick charge3.0 ports (charge phones 50% faster), 400-lumen LED jump box flashlight (SOS/Strobe modes), 15V DC port powers tire inflators , Lithium car starter doubles as a massive power bank. RUGGED 12V PORTABLE JUMP STARTER : Shockproof jump pack survives 5ft drops with scratch-resistant armor shell. Auto-sleep tech keeps charge for 18 months (recharge every 90 days). 50% longer lifespan vs. standard car battery starters. PRO-LEVEL KIT + LIFETIME SUPPORT: Includes: GOOLOO 3000A Car Jump Starter, Heavy-duty clamps (10,000+ clamp tests), USB-C cables, storage bag. Backed by GOOLOO’s 18-month warranty and 24/7 online assistance.