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FREE 30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
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Availability:
In Stock.
Arrives
Wednesday, Nov 4
Recently Viewed
At a glance
- Condition
- New
- Set
- 3000A
- Model
- GS300
- Dimensions
- 2.1"D x 3.61"W x 2.1"H
- Voltage
- 12 volts
- Battery Type
- Lithium Ion
- Battery Capacity
- 16 Ah
- In the box
- 1 X USB-A to USB-C cable1 X User Manaul1 X carrying bag1 X jump starter1 X smart heavy duty jumper cable
Features 6
- 1,Professional 3000A Car Jumper Starter Portable:Jump-start your vehicle in 12 seconds with this Car Jumper Starter Portable, capable of powering up to 10.0L gas and 8.0L diesel 12V engines. Designed for cars, trucks, SUVs, motorcycles, and boats, it delivers professional-grade performance and reliability for any roadside emergency.
- 2,Force Start Mode for Dead BatteriesEven if your battery drops below 2V, the Jumper Box for Car Battery Portable with BOOST function can safely restart your engine. Perfect for emergency situations, harsh weather, or long trips, ensuring your vehicle starts every time.
- 3,LCD Display & Multi-Function Battery Jump PackFeatures an LCD screen showing the remaining battery percentage, allowing you to monitor power at a glance. This Battery Jump Pack also works as a portable power bank for charging phones, tablets, and other USB devices. The LED flashlight supports three modes (steady, SOS, strobe), perfect for night emergencies, camping, or night travel.
- 4,Advanced Safety Design for Battery Jumper Starter PortableEquipped with 10 intelligent safety protections: Overcurrent, Reverse Polarity, Overcharge, Overdischarge, High Temperature, Reverse Connection, Overvoltage, Overload, Short Circuit, Sparkproof. Heavy-duty jumper cables ensure safe, stable, and reliable jump-starting every time.
- 5,High-Quality Grade-A Chip for Maximum ReliabilityOur Car Battery Charger Jump Starter is powered by a premium Grade-A chip, delivering stable performance, fast charging, and professional-level safety. Built to handle high-demand situations, it ensures your device is durable, reliable, and trustworthy for years of use.
- 6. Complete Package & Travel-Ready StorageIncludes: LIFMOCER Jump Starter, Smart Heavy Duty Jumper Cables, USB Charging Cable (Wall charger not included), EVA Storage Case, and User Manual Product Size: 7.60 3.61 2.10 in | Package Size: 9.92 5.87 4.49 in | Package Weight: 3.11 lbs Warranty: Comes with a 2-Year Warranty and 24/7 customer support for peace of mind.
Description
As a high-tech enterprise deeply engaged in the auto parts field, we focus on the research development and manufacturing of automotive emergency start power supplies. With the core concept of "Professionalism, Precision, and Trust", we are committed to creating an auto parts service ecosystem from the R&D end to the maintenance terminal for global customers, making every driving journey safer and more efficient. Q1: What if the device stops working after one year? A1: We recommend fully charging it every 3–6 months when not in use for long periods. If it fails to work within 2 years, We support replacement instead of repairs! Q2: For device maintenance, if it's fully charged and left unused, how often should it be recharged? A2: Every 3 to 6 months to maintain the battery. Q3: Can it start lawn mower? A3: Yes,It is suitable for both gasoline and diesel engines. Q4: Will the device overheat? A4: No, our upgraded battery cells feature 10 safety protections: over-current, reverse polarity, over-charge, over-discharge, high temperature, reverse connection, over-voltage, overload, short circuit, and spark-proof protection. Q5: Is the product very lightweight? A5: GS300 car jump starter overall package weight is 3.11 lbs, and we use A-grade cells to ensure quality.So please don't worry.
Specs 21
| Brand | LIFMOCER |
|---|---|
| Battery Cell Composition | Lithium Ion |
| Voltage | 12 volts |
| Product Dimensions | 2.1"D x 3.61"W x 2.1"H |
| Vehicle Service Type | Passenger Car, ATV, Motorcycle, Van, RV, UTV, Truck, Watercraft, Tractor |
| Battery Type | Lithium Ion |
| Compatible with Vehicle Type | Passenger Car, ATV, Motorcycle, Van, RV, UTV, Truck, Watercraft, Tractor |
| Battery Capacity | 16 Ah |
| Amperage | 3000 A |
| Peak Output Current | 3000 A |
| Automotive Fit Type | Universal Fit |
| Item Dimensions D x W x H | 2.1"D x 3.61"W x 2.1"H |
| Brand Name | LIFMOCER |
| Manufacturer Part Number | GS300 |
| Manufacturer | LIFMOCER |
| Number of Items | 1 |
| Number of Packs | 1 |
| Item Highlight | 10000mAh battery, Portable jump starter, Emergency Start, LED screen |
| Unit Count | 1 Count |
| Model Number | GS300 |
| Manufacturer Warranty Description | 2 years |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Nov 4
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Necessity for any vehicle , safe to use
Set name: 3000A
Have used this quality product on lawn mowers and vehicles. Works every time , easy to use for the new driver if needed also . Purchased one for each child’s cars (4) Perfect , safe gift ( no long tangled jumper cables)
Reviewed in the United States on September 30, 2026 by James
Well worth it
Set name: 3000A
I bought this to carry in my pickup truck for those inconvenient times with no help around. I wasn’t sure at first if I’d like it or not but, I soon was pleasantly surprised. It is easy to hook up and easy to use, it got me out of a bind multiple times in a row. I soon realized it’s a new battery I needed! I replaced the battery and no more problems there, I have even been able to help others in need. This unit is very affordable and a no brainer. If you have a wife or daughters this would be a perfect gift for them, for those times you can’t be there. This unit is simple to charge and it charges quickly. It’s lightweight and very easy to store and don’t take up a lot of space in your vehicle. It seems to hold power very well I’ve only had to charge it once since I purchased it and it’s really come in handy. Long story short, I’d buy it again as a gift and totally recommend it to anyone.
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Reviewed in the United States on November 21, 2025 by Ironfishmxm
Jump box
Set name: 3000A
Seems to be good quality was very easy to use. It packs a punch for its small size and doesn’t take up much room in my vehicle.
Reviewed in the United States on September 29, 2026 by Amazon Customer
Worked great!
Set name: 3000A
So far so good. Love it … used it twice … jump started my zero turn, and a sports car with V8 engine. Unit is still over 90% charged.
Reviewed in the United States on October 6, 2026 by Tommy Herman
Good Investment!
Set name: 5000A
Product is compact, heavy duty, with good directions. Only gave 4 stars, because I never used the product Great to have in the time of need. A two years warranty included.
Reviewed in the United States on August 29, 2026 by PHYLLIS
Tested on a full size V8 truck
Set name: 3000A
I wanted to test this Jump Starter before the 30-day return period and give an honest review. When I first received the charger, it came at 88% charge. I plugged it in and it charged to 100% percent in several hours. I unplugged it and left it unplugged for over a week and it stayed at 100% charge. After the week I completely removed the battery cables attached to the battery on my GMC V8. I made sure there was no power going to the vehicle. I attached the jump starter to just the battery cables and pushed the boost button. It started the truck with just one turn of the key. The jump starter went down to 98%. I removed the jump starter from the cables and made sure the truck was not receiving power. I attached the jump starter back to the battery cables and pressed the boost button. The jump starter was reading 98%. This time it took two turns of the key but it started the truck without any issues. The charger went down to 92% after that. I was very happy with the performance of this cahrger.
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Reviewed in the United States on July 21, 2026 by Steel Curtain
Great! It works!!
Set name: 3000A
Worked 1st time!
Reviewed in the United States on September 30, 2026 by Penny Panter
This Car Jump Starter Is A Life and Money Saver!
Set name: 3000A
My wife’s car wouldn’t start, without any working. The mechanic I use was a week out with cars ahead of mine and was not going to the dealership to get fleeced. Purchased the GS 300 car starter at 10:00 am. Amazon delivered it by 4:00 pm. Easy instructions to set up and connect to the battery. Car started up immediately. As it turned out, had an old battery that finally gave out and would not hold a charge after the ignition shut off. Was able to confidently drive her car all week, knowing it was a less-than-a-minute process to jump the battery. Small, yet powerful Plenty of juice to start an 8 cylinder car. Comes in a nice case, Portable. Excellent value for what was purchased and delivered.
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Reviewed in the United States on September 18, 2026 by RJP