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Every S ZEVZO jump starter is engineered with 10 safety protections, backed by a 2-year warranty, and tested to perform in the toughest American conditions. Choose the model that fits your vehicle and your needs.

S ZEVZO ET03 4000A Portable Jump Starter — front view
Model ET03

S ZEVZO ET03 Portable Jump Starter

The ET03 is the workhorse of the S ZEVZO lineup — delivering a massive 4000A peak current that handles the toughest gas and diesel engines. With 74Wh of stored power, it can perform multiple jump starts on a single charge. The integrated LED flashlight and clear LCD display make it easy to use in any light conditions, while the USB charging ports let you keep your devices powered during roadside situations. Smart protection circuitry with 10 discrete safety layers ensures the ET03 is completely safe even in the hands of first-time users.

4000A Peak Current
74Wh Capacity
Up to 8.0L Gas
Up to 7.0L Diesel
10 Safety Protections
LED Flashlight
LCD Display
USB Charging Ports
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S ZEVZO A11 5000A Portable Jump Starter — front view
Model A11

S ZEVZO A11 Portable Jump Starter

The A11 is S ZEVZO's most powerful jump starter, delivering an industry-leading 5000A peak current that can handle virtually any 12V gas or diesel engine on the road. Built with all-metal clamps for superior conductivity and durability, the A11 holds its charge for up to 1 year in standby — meaning it's always ready when you need it. The larger, higher-contrast LCD display provides clear status information even in bright sunlight. At 80.66Wh, it has the energy capacity to perform dozens of jump starts before needing a recharge. The A11 is the choice of professionals, fleet managers, and drivers who demand the absolute best.

5000A Peak Current
80.66Wh Capacity
Up to 10.0L Gas
Up to 7.0L Diesel
10 Safety Protections
LED Flashlight
All-Metal Clamps
1-Year Standby
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S ZEVZO ET05 3000A Ultra-Compact Jump Starter — front view
Model ET05

S ZEVZO ET05 Ultra-Compact Jump Starter

Don't let the ET05's size fool you — this ultra-compact jump starter weighing just 0.86 lbs packs a remarkable 3000A of peak current. Similar in size to a modern smartphone, the ET05 slips into a jacket pocket, glove box, or backpack without adding noticeable bulk. The intelligent Smart Boost function analyzes your battery's condition and delivers the optimal current profile for a successful start — even on deeply discharged batteries. At 51.8Wh, it has enough energy to handle multiple start attempts on gas engines up to 7.2L and diesel engines up to 5.5L. All 10 of S ZEVZO's standard safety protections are built in — including reverse polarity protection that prevents damage from incorrect connection.

3000A Peak Current
51.8Wh Capacity
Up to 7.2L Gas
Up to 5.5L Diesel
10 Safety Protections
Smart Boost Function
0.86 lbs — Pocket-Sized
USB-C Charging
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S ZEVZO M5 4000A Jump Starter with 150PSI Air Compressor
Model M5

S ZEVZO M5 Multi-Function Jump Starter

The M5 is our most versatile product — a true 10-in-1 solution that combines a powerful 4000A jump starter with a 150PSI digital air compressor in a single unit. The 12000mAh battery pack delivers jump-start capability for gas engines up to 6.0L and diesel engines up to 4.0L, while the built-in inflator can fill car tires, bicycle tires, sports balls, inflatable accessories, and more. The smart auto-shutoff feature lets you set your target pressure and walk away — the inflator stops automatically when that pressure is reached, preventing over-inflation. Additional functions include LED work light, USB power bank for devices, and a digital display that shows pressure, battery level, and operating status clearly. The M5 is the all-in-one roadside companion for drivers who want one tool that does everything.

4000A Peak Current
12000mAh Capacity
Up to 6.0L Gas
Up to 4.0L Diesel
10 Safety Protections
150PSI Air Compressor
Auto-Shutoff Inflator
10-in-1 Multi-Function
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Not Sure Which Model is Right for You?

Our team of jump starter experts is available Mon–Fri 9AM–6PM PST and Saturday 10AM–4PM PST to help you choose the right S ZEVZO for your vehicle and driving needs.

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