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.

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⚡ Power up your peace of mind—never get stranded again!

SMART SAFETY SHIELD - 10 intelligent protections including reverse polarity & short circuit alerts for worry-free use.
UNMATCHED POWER BOOST - Jump-start up to 8.0L gas & 7.0L diesel engines in seconds with 4000A peak current.
DUAL USB FAST CHARGING - Charge two devices simultaneously at 5V/2A, 50% faster than standard chargers.
ALL DAY EMERGENCY READY - 50 jump starts per full charge—your ultimate roadside lifesaver.
BUILT FOR EVERY CONDITION - Operates from -4℉ to 140℉ with a bright 3-mode LED flashlight for any emergency.

The S ZEVZO ET03 is a compact, ultra-powerful 4000A car jump starter designed for vehicles with up to 8.0L gas and 7.0L diesel engines. Featuring a 74Wh battery, it supports up to 50 jump starts per charge and doubles as a fast-charging power bank with dual USB ports. Equipped with a 100-lumen LED flashlight and 10 advanced safety protections, it ensures reliable performance in extreme temperatures and emergency situations. Lightweight and portable, it comes with smart jumper clamps, an LCD display, and a durable storage case, making it an essential tool for every driver.

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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$569.83

Duties & taxes incl.

Ecuadorstore

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Brand	S ZEVZO
Product Dimensions	3.8D x 8.6W x 19.1H Centimeters
Item Weight	1.4 Pounds
Amperage	4000 Amps
Peak Output Current	2500 Amps
Specification Met	CE, FCC, UL
Manufacturer	Dongguan Chuangyi New Energy Technology Co., Ltd
UPC	840164807288
Batteries	1 Lithium Ion batteries required. (included)
Item model number	ET03
Manufacturer Part Number	ET03
Assembly Required	No
Country of Origin	USA
Item Weight	635 g

S ZEVZO ET03 Car Jump Starter 4000A Jump Starter Battery Pack for Up to 8.0L Gas and 7.0L Diesel Engines, 74Wh Portable 12V Jump Box with USB Ports, LCD Display, Storage Case, and LED Light

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