# S ZEVZO H021 5000A 12V Car Jump Starter

The S ZEVZO H021 car jump starter is a compact 12V lithium-ion booster with a listed 5000A peak output, LCD display, USB charging and three flashlight modes. Its listed engine-size coverage and built-in power-bank function suit roadside preparedness, while the supplied customer feedback flags mixed durability experiences, particularly with clamps.

- [Original product page](https://best-deals.pro/product/s-zevzo-h021-5000a-car-jump-starter)
- [View offer](https://best-deals.pro/visit/s-zevzo-h021-5000a-car-jump-starter)
- Market: US
- Language: en-US
- Currency: USD
- Brand: S ZEVZO
- Model: H021
- Category: Cars & Motorcycles > Vehicle Accessories
- Price: 53.18 USD
- Previous price: 89.99 USD
- Discount: 41%
- Price checked: 2026-11-14T05:37:11.001Z
- Rating: 4.6 / 5
- Reviews: 540

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- The listing claims 5000A peak output and compatibility with engines up to 10.0L gas and 8.0L diesel.
- Two USB outputs are listed for charging devices, and the product is described as a 74Wh power bank.
- LCD display and a flashlight with steady, strobe and SOS modes are listed.
- A carrying case and smart jumper clamps are specified in the package contents.

## Pros

- Compact listed dimensions and 323 g listed weight make it easier to store in a vehicle than a larger roadside kit.
- USB outputs add a way to charge phones and other USB devices away from a wall outlet.
- The flashlight offers steady, strobe and SOS modes for roadside use.

## Cons

- The reported durability feedback is mixed, including customer reports of clamps falling apart.

## Specifications

### Identity and display
- Brand: S ZEVZO
- Model: H021
- Screen technology listed: LCD
### Power and battery
- Battery type: Lithium Ion
- Voltage: 12 volts
- Battery capacity: 20000 milliamp\_hours
- Peak output current: 5000 A
- Energy capacity: 74Wh
### Charging and lighting
- USB outputs: \(5V/3A\) and \(5V/2.1A\)
- Flashlight brightness: 500-lume
- Flashlight modes: stable, strobe, and SOS
### Dimensions and weight
- Dimensions listed: 1.6"D x 5.7"W x 3.1"H
- Weight listed: 323 g
### Listed vehicle compatibility
- Engine-size claim: up to 10-liter gas and 8.0-liter diesel engines
- Vehicle types: All of the above, Lawn Mower, Motorcycle, Passenger Car, RV, UTV, Van
### Additional listed operating details
- Maximum starts per full charge: at most 40 times
- Standby time: 24 months long standby time
- Working temperature: -4℉ to 140℉
- Water and dust resistance description: dustproof and water-resistant
- Safety protections: 10 intelligent safety protections

## Before you buy

- The 5000A peak output, engine-size coverage, start count and operating claims are manufacturer listing claims, not independently verified performance. Follow the manual for connection and charging instructions.

## In the box

- H021 car jump starter \(1\) (Included)
- Portable carrying case \(1\) (Included)
- Smart jumper clamps \(1\) (Included)
- USB charging cable \(1\) (Included)
- User manual ×1 (Included)

## A good fit for

- Drivers wanting a compact emergency jump starter with a USB power-bank function and flashlight.
- Owners of listed 12V vehicle types who want a portable booster for roadside storage.

## Less suited to

- Buyers who need independently verified starting performance or proven long-term clamp durability.
- People looking for a unit with a tire inflator, which is not among the listed features.

## Customer feedback

Customer feedback highlights compact size, charge retention and usefulness as an emergency power source, including for charging phones. These reports may matter to drivers keeping a 323 g listed unit in a roadside kit, but do not verify the claimed 5000A output or engine-size coverage. Durability feedback is mixed, with some customers describing the unit as well-made and others reporting clamps falling apart.
- Positive themes: Customers describe it as compact and report that it stays charged and supplies power when needed.
- Positive themes: Some customers appreciate its usefulness for emergency kits and phone charging.
- Mixed feedback: Durability experiences vary. Some customers report that the clamps fell apart, while others find the product well-made.

## Frequently asked questions

### What vehicles does the listing say the H021 can jump-start?
It claims suitability for 12V vehicles with engines up to 10.0L gas or 8.0L diesel, and lists cars, motorcycles, lawn mowers, RVs, UTVs and vans. These are listing claims, not independently verified limits.
### Can the H021 charge phones?
The listing describes it as a 74Wh power bank with two USB outputs, rated \(5V/3A\) and \(5V/2.1A\), for USB devices.
### What is included?
The explicit included-components list names the H021 jump starter, carrying case, smart jumper clamps, USB charging cable and user manual.
### What do customers report about durability?
Customer feedback is mixed. Some describe the unit as well-made, while others report that clamps fell apart.

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## Add-ons

- [S ZEVZO H021 Car Jump Starter, Peak 5000A Jump Starter Battery Pack for Up to 10.0L Gas and 8.0L Diesel Engines, 12V Portable](https://best-deals.pro/visit/s-zevzo-h021-5000a-car-jump-starter)

## Images

![S ZEVZO H021 5000A 12V Car Jump Starter — 1](https://best-deals.pro/i/TRaV1zCJHy8jP80N4ZC1P14syKIaYI6PapsOE85olxrSNsC2blP8LPR3r9DsOE-JtKCrXADti6_VbJJ-gB8Xs8kRRCQtj7mKOt46Wkz33_0Ohxc2S9Ild95t.jpg)

![S ZEVZO H021 5000A 12V Car Jump Starter — 2](https://best-deals.pro/i/098xOWhUvOTbbcNNjgJQr5XW5cubzB0_MzX1iQRuBVBs5fwWiFCCcsSo9k8q1_RIPaD8zD0362OhsEis35yfgZK0xJm_ogRtaLAOz4UqeeahAMSltEIMAO6f.jpg)

![S ZEVZO H021 5000A 12V Car Jump Starter — 3](https://best-deals.pro/i/IksSTem0VIKBNrGFoc_Lou1Y1Hqz-ju1o71TwpatODPaYw7rZwjCbLPPFIdJgfprmQDULyhh_gxP7kRBAQDF99qnNodH3Ne3E-s3ro_IpsOnjRo0uuhd9yVa.jpg)

![S ZEVZO H021 5000A 12V Car Jump Starter — 4](https://best-deals.pro/i/PednC8hxb1UAhvuD7MHamPi8EKWesSreuZm0KcJQaL6A3f9oc5-AQDAlZvJSdncxCveUk2OpZyYWr67iTOR7bdMn9oRMtgbpLP4ZTpKZyueUNSocyJIIY7xy.jpg)

![S ZEVZO H021 5000A 12V Car Jump Starter — 5](https://best-deals.pro/i/umJeDkvdxkxDRHmMjC6OHoqM3_GzdNXbWEPdUJZDoOc3Rkzvr8VdatIvIov68aWjzixRttDLF_swJQjRC8LfWiD0iEuMUn8edVDAWU9GtucAZQL7uHUjr3Vv.jpg)

![S ZEVZO H021 5000A 12V Car Jump Starter — 6](https://best-deals.pro/i/loK7XqSBRngkJrizlhVZ-7BIH_Hf0nze4mpqYoTL2wak1S7nVOu0w5owjDg107EQacuLQmH6LBkuH_a-lj7JBSPhUsIlCheUdVxstqak6CDNPidOrTyHck7D.jpg)

![S ZEVZO H021 5000A 12V Car Jump Starter — 7](https://best-deals.pro/i/D8Q2ONK2WwMPExNmI256lusabMFFUYxcz4u-yMCr3HltNym2v2_fO3tb45kjBHRy6-la7ybR4QOB_0ODZLxMIXPREIJbGrGOwFfEqBpKavhw4NnhC9Jr7zV9.jpg)