S ZEVZO A11 5000A 12V Jump Starter

The S ZEVZO A11 jump starter is a portable lithium-ion booster listed for 12V vehicles, with a claimed 5000A peak current and compatibility up to 10.0L gas and 7.0L diesel engines. It also serves as a USB power bank and has an LCD and flashlight, making it a multi-use emergency pack to keep in a vehicle.

At a glance

Claimed 5000A peak current and coverage for 12V vehicles with engines up to 10.0L gas or 7.0L diesel.
Two USB charging ports also let the pack serve as a power bank for small devices.
LCD status display and a 500-lumen flashlight with continuous, strobe and SOS modes.
Listing claims standby for up to one year after a full charge.

Price

$56.98Save 43%

Reference price: ~~$99.99~~

Price checked: Nov 14, 2026

View offer

Pros and cons

Pros

Compact listed dimensions and 1.6-pound weight support keeping it in a vehicle emergency kit.
The included case and smart jumper clamps make it a more complete jump-start kit, according to the package list.
USB charging and a multi-mode flashlight add emergency utility beyond jump starting.

Technical specifications

16 specifications

Identity
Brand	S ZEVZO
Model	A11

Display
Screen technology listed	LCD

Power and battery
Battery type	Lithium Ion
Voltage	12 volts
Battery capacity	21800 milliamp_hours
Peak output current	5000 A
Energy capacity	80.66Wh

Dimensions and installation
Dimensions listed	1.67"D x 3.74"W x 7.67"H
Weight listed	1.6 pounds

Charging and emergency features
USB output ports	Two USB quick-charge ports (5V/3A)
Flashlight output	500-lumen
Flashlight modes	continuous lighting, strobe, and SOS

Listed vehicle capability
Engine compatibility claimed	up to 10.0L gas and 7.0L diesel engines
Claimed starts per full charge	up to 50 times

Operating conditions
Operating temperature listed	-4°F to 140°F

What to know before buying

The 5000A peak current, engine-size compatibility, up-to-50-starts figure and one-year standby statement are manufacturer claims, not independently verified. The listing recommends a 30-second cool-down after each start and using the unit above 50% battery power. Avoid direct sunlight, especially in summer.

What’s in the box

Included

A11 car battery jump starter x1
Portable storage case x1
Smart jumper clamps x1
USB charging cable x1
Power adapter

Who is it for?

A good fit for

Drivers who want a compact jump starter with a case, clamps, USB charging and emergency lighting in one kit.
Owners of listed 12V vehicles who want a booster rated by the listing for engines up to 10.0L gas or 7.0L diesel.

Less suited to

Buyers seeking independently verified jump-start performance or a confirmed fit for an engine outside the listed size limits.

S ZEVZO A11 5000A 12V Jump Starter · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 223 ratings

5 stars84%84%
4 stars10%10%
3 stars3%3%
2 stars1%1%
1 star2%2%

Customer feedback highlights perceived power, battery life, portability and compact size. Those reported strengths suit the A11's listed role as a vehicle-stowed emergency pack, with its stated 1.6-pound weight and dimensions offering context for portability. The feedback summary does not establish how the unit performs under particular vehicle or battery conditions.

Positive themes

Customers describe the product as powerful and praise its battery life.
Customers say it is compact and easy to stow in a vehicle.

Frequently asked questions

What engine sizes is the A11 listed for?

The listing claims compatibility with 12V vehicles with engines up to 10.0L gas and 7.0L diesel. These are manufacturer claims rather than independently verified limits.

Can it charge other devices?

Yes. The listing describes two USB quick-charge ports rated 5V/3A for charging devices such as phones and tablets.

What is included?

The explicit included-components list names the A11 jump starter, storage case, smart jumper clamps, USB charging cable and USB wall charger.

What usage guidance does the listing provide?

It recommends allowing 30 seconds to cool down after each start and using the jump starter with more than 50% battery power. Its stated operating temperature range is -4°F to 140°F.