S ZEVZO ET03 Car Jump Starter 4000A Jump Starter Battery Pack for Up to 8.0L

Brand: S ZEVZO
Voltage: 12 Volts
Battery Cell Composition: Lithium Ion
Product Dimensions: 1.5"D x 3.4"W x 7.5"H
Vehicle Service Type: Lawn Mower, Motorcycle, Passenger Car, Tractor, Truck, Van

POWERFUL CAR BATTERY JUMP STARTER: The ET03 car battery jump starter can easily jump-start all 12V common vehicles with up to 8.0L gas and 7.0L diesel engines in seconds with its peak current reaching 4000 amps. Supports 50 jump starts at most on a single charge and suitable for lawnmowers, motorcycles, passenger cars, trucks, and even boats, etc.
STARTS 0V DEAD BATTERIES EASILY: This car battery jump starter has integrated the force start function in the jumper clamps, which delivers powerful performance to bring your vehicle back to life even if the vehicle has a completely dead battery at 0V. Please make sure this battery jump starter is fully recharged or above 14V if you want to use this jump starter on a car with a dead battery.
BACKUP PORTABLE POWER BANK: This jump starter battery pack can also work as a 74Wh large battery capacity portable power bank to charge your smartphones, tablets, or other USB electric devices. Two 5V/2A USB output ports are packed on this jump starter that can be applied at the same time for charging, 50% faster than a standard charger.
PACKED WITH LED EMERGENCY LIGHT AND BONUS FEATURES : the ET03 car jump starter is packed with a 500-lumens LED flashlight to provide help in darkness or for emergency situations that support three variable light modes (stable, strobe, and SOS). There are more features included such as an LCD screen to check the battery status, a wide working temperature from 14℉ to 140℉, and 24 months long standby time.
10 INTELLIGENT SAFTY PROTECTIONS: This jump starter battery pack is super safe to use with 10 intelligent safety protections against overcharge, short circuits, reverse polarity, power surging and sparking, and so forth. You can detect the errors by simply checking the lights and the beep sound from the smart jumper clamps.
WHAT YOU GET & SERVICE: the package you get includes 1 * SZEVZO ET03 Jump Starter, 1 * Smart Jump Cables, 1 * USB Type-C Charging Cable, 1 * Storage Case, 1 * User Manual. This jump starter is covered by our 2 years full service, so please contact us if you have any questions or if you are facing any issues with this jump box.

Product information

Battery Type: Lithium Ion
Voltage: 12 Volts
Compatible with Vehicle Type: Lawn Mower, Motorcycle, Passenger Car, Tractor, Truck, Van
Battery Capacity: 20000 Milliamp Hours
Amperage: 4000 Amps
Peak Output Current: 4000 Amps

Why can't I get this jump starter fully recharged? Only stuck at a certain battery percentage?

How can I fully charge this car jump starter? Any solutions?

What types of batteries can this battery booster start?

Is the carrying case included in the package to store jump starter and its accessories?

Why can't I get this jump starter fully recharged? Only stuck at a certain battery percentage?

Due to prolonged storage, the battery may arrive partially discharged, requiring a longer initial charge. Note: Charger not included. For optimal performance, use a compatible charger to avoid voltage mismatch or unstable charging.

How can I fully charge this car jump starter? Any solutions?

You can connect the included charging cable or your own one to a USB(5V) charger for charging, or connect it to your car's USB output port. Please write to us at the after-sales information on the product sticker for help.

What types of batteries can this battery booster start?

It can start 12V led acid batteries with up to 8.0L gas and 7.0L diesel engines.

Is the carrying case included in the package to store jump starter and its accessories?

Yes, a portable carrying case is included in the package that can store the jump starter and accessories.