YUSMAN Jump Starter Power Pack 12V, 5000A Portable Battery Booster (Gas 7.0L / Diesel 5.0L) with Smart Cables & 3-Mode Lights
Product description
The essentials
A flat 12V car battery is one of those problems that never happens at a convenient time. This YUSMAN Jump Starter Power Pack is designed for quick, portable jump-starting, plus the extra reassurance of an onboard battery level screen and built-in emergency lighting.
On paper, it targets everyday drivers and owners who want a small “just in case” kit in the boot rather than relying on roadside help. It also doubles as a power bank via USB ports, which is handy if you’re travelling, camping, or simply don’t want to waste battery life on your phone when things go wrong.
Key points
If you mainly want something to get a drained car back on the road without hassle, the headline numbers here are the 5000A boost rating and the stated engine limits: up to 7.0L for petrol (gas) and up to 5.0L for diesel. The pack also claims 1000+ recharge cycles and up to 40 jump starts from a single charge, which is the sort of detail that matters for value over time rather than a one-off use.
There’s also an element of usability that’s easy to overlook: the LCD display is meant to show the battery level, charge status, and the battery temperature. That doesn’t automatically make the process foolproof, but it helps you make safer decisions instead of guessing.
And yes, it’s more than a battery booster. You get an LED flashlight/work light with multiple modes, including a normal setting and SOS/strobe options for night-time emergencies or outdoor use.
What you’ll notice day to day
This is built around convenience. It’s described as compact and portable, with a storage bag included, which is exactly what you want if the product will sit in your vehicle for months.
A practical example: say you’ve left the car sitting longer than you expected. You’d check the jump pack’s LCD for charge level, connect the battery clamps, and use the smart jump cables to attempt the start. The manual guidance in the notes is also relevant—there’s a suggestion to start the vehicle when the pack power is greater than 25%, and to fully charge it on first receipt.
One limitation to keep in mind: this type of jump starter is only as reliable as your maintenance routine. The entry suggests recharging the pack every 2–3 months to help activate the battery and prolong lifespan. If you’re the kind of person who forgets the boot accessories until you actually need them, you may find it’s not worth the risk.
Where it shines
- Portable 12V jump starting with stated petrol/diesel engine capacity limits.
- LCD feedback for charge status and battery temperature, which can make the process feel less like guesswork.
- Built-in power bank functionality via USB charging ports (useful for mobile devices, not just vehicles).
- Emergency lighting with multiple modes (including SOS and strobe).
- Smart safety protection is mentioned as part of the system, aimed at safer clamp use.
What matters most before you buy
There are a few “check first” items that will help you avoid disappointment.
First, confirm your vehicle type and engine size sits within the stated range (up to 7.0L gas / 5.0L diesel). If you’re outside those limits, it may simply not deliver the starting performance you expect.
Second, think about temperature and conditions. The description claims the jump starter can restart an unloaded 12V vehicle without fear of extreme temperatures in the range of -4°F to 140°F. Even so, real-world outcomes still depend on your battery condition and the accuracy of the clamp connection.
Third, plan for charging habits. The note about fully charging on first use (even if it shows full power) and recharging every 2–3 months matters more than the spec sheet suggests.
Who it’s for
It makes sense if you want a compact car battery booster that you can keep in the car and use as a quick emergency tool. It’s also a reasonable fit if you like the idea of one device that can assist with jump starting and also handle USB charging for phones or tablets.
It’s less of a great match if you expect it to replace professional jump start solutions for very large engines, or if you don’t have the habit of topping up the pack’s charge before it’s needed.
It also depends a fair bit on how you store it—if it’s constantly exposed to extreme conditions or you ignore the recharge interval, the performance you get later can be lower than expected.
Tech specs
- Name: Jump Starter Power Pack
- Type: 12V Car Battery Booster / Portable Battery Pack
- Capacity: 12800mAh
- Boost rating: 5000A
- Engine capacity claim: up to 7.0L Gas / 5.0L Diesel
- Battery cycle claim: 1000+ recharge cycles
- Jump start claim: up to 40 jump starts on a single charge
- Charging ports: 3 USB charging ports
- Charging cable: USB Type-C charging cable
- Display: LCD showing battery level, charge status, and battery temperature
- Operating temperature claim: -4°F to 140°F
Is it worth it?
This is worth considering if you want a portable 12V jump starter with clear LCD status, smart safety protection for the clamps, and the added bonus of emergency LED lighting plus USB power bank features. The claimed petrol/diesel engine limits and the maintenance guidance (charge fully on first use, then recharge every 2–3 months) are the practical details that make or break how useful it’ll be.
You may want to skip it if your engine is outside the stated ranges, or if you’re unlikely to keep the pack charged between uses—because with jump starters, “it looks full” isn’t the same as being ready when the moment arrives.
Quick FAQ
Quick FAQ
Does it also charge phones and tablets?
Yes. The description states it has 3 USB charging ports and is intended to work as a power bank for mobile devices.
What does the LCD display show?
It’s described as showing battery level, charge status, and battery temperature.
How often should it be recharged?
The note says it’s suggested to recharge every 2–3 months to help activate the battery and prolong lifespan.
Is it suitable for both petrol and diesel?
The entry claims support for up to 7.0L gas (petrol) and up to 5.0L diesel, so it’s aimed at those categories within the stated limits.
What lighting modes are available?
It’s described as having LED work light modes including Normal, SOS, and Strobe.