[Budget-Friendly Car Battery Booster] Rated at massive 3000 peak amps; designed for 12V 9L Gas & 7L Diesel engine cars; our car jump starter TOPDON JS3000 can deliver quick & safe starts in no seconds for cars, trucks, motorcycles, lawnmowers, pickups, ATVs, and boats, yachts when it is freezing winter - up to 45 times on a single charge! With the revolutionary “BOOST” mode, you can even start an engine with a 0%-capacity battery right away. The peace of mind is well worth the cost.

[Super Safe to Use]Safety always comes first. 8 advanced self protections Against Reverse Polarity, Short Circuit, Overcharge, Overcurrent, Over Temperature, Low Temperature, Over Discharge, and Overload are built in this car battery jump starter, providing 100% spark-proof connections. The shell, clamps & cables are also reinforced for security and longtime use, no-melt and smoke-free.

[3-in-1 Combo] Not just a car jump starter, JS3000 also serves as a massive 24000mAh backup power bank. The versatile outputs (45W Type-C; 18W QC, 5V/2.1A USB, 16.8V/10A DC) can quickly juice up electronic devices in 1 hour when you need them most: cellphones, laptops, cameras, kindles, GoPros, etc; even some 12V inflators, inverters, or car refrigerators. The integrated 400 lumen LED flashlight can take care of unexpected emergencies at night. It has 3 modes: Steady, SOS, and Strobe.

[Made to Last Long]This auto battery booster comes enclosed in a shockproof EVA carrying case, providing extra cushion against bumps or accidents and proofing against dust. The IP64 water/dust resistance allows its normal use even in rainstorms and sandstorms. Better, if you live where the weather is harsh, choose this jump starter that stands the extreme cold and heat. It works between 14°F ~104°F (-10°C~40°C).

[NO-Worry Purchase]When you choose us, you’ll get dedicated 24/7 customer care service + XX-day return & replacement policy + XX-year product warranty + free lifetime tech. assistance as always. The extended warranty “TOPDON Care+” service is also available if needed, including extra-long 12 months nonconditional return & replacement policy, plus free lifetime tech. support online.

SAFETY INSTRUCTIONS:

• This product can only be used for starting vehicles with 12-volt lead-acid batteries.
• Better jump-start vehicles when the battery level of the jump starter is above 50%.
• ONLY use the battery clamps that come with this product.
• DO NOT use this product if the cable or the jump starter has any damage.
• DO NOT put the product under direct sunlight or in high-temperature areas.
• DO NOT disassemble the product by yourself.
• DO NOT place the product in high-temperature environments for a long time.
• DO NOT attempt more than 3 consecutive jump-starts within 2 minutes.
• If the engine does not start successfully on the first try, disconnect the clamps from the vehicle battery and wait at least 20 seconds before reconnecting.
• JUMPSURGE3000's working temperature is of 14°F ~104°F (-10°C~40°C).
• JUMPSURGE3000 contains a Lithium-Ion Battery. Please dispose of it under local regulations at the end of its life.
• Check the battery level of this product every two months and charge it regularly.