4000A peak jump starting power
$159.99
$229.99
1,500,000+ EV owners trust Lectron · 97% would recommend
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- CE / FCC / UL compliant
Starts completely dead 0V batteries
Up to 10L petrol / 8L diesel engines
20,000 mAh power bank
60W USB-C fast charging
Engine compatibility
Works with cars, trucks, SUVs, and hybrids with 12V batteries.
It delivers 4000A peak output and supports up to 10L gas and 8L diesel engines using 12V lead-acid, AGM, or gel batteries.
Is a 4000A jump starter too powerful for smaller vehicles?
No. A 4000A jump starter regulates its power output, delivering only what your engine needs to jump-start. With spark-proof protection and smart battery clamps, it's safe for smaller cars, motorcycles, and larger trucks. It won't overload your car battery when used correctly.
How do I choose the right amp rating for my vehicle?
Match the amperage rating to your engine size. Smaller gas cars need less amperage, while SUVs, trucks, and diesel engines require more power. A 4000A jump starter offers flexibility for multiple vehicles, ensuring you always have enough power for a reliable car battery jump.
Automobiles
Motorcycles
Watercraft
Lawn Mowers
HEVs / PHEVs
ATVs
Key features
Built for the moment the car won't start
4000A PEAK CURRENT
Delivers high-output starting power
Handles engines up to 10L gas and 8L diesel, and works with cars, trucks, SUVs, and hybrids running 12V batteries.
TRUE 0V START
Jump-starts batteries other chargers can't detect
Specially engineered to jump-start completely depleted or dead batteries that standard chargers can't detect.
SMARTSAFE DIAGNOSTIC DISPLAY
Real-time readouts while you work
Integrated digital screen provides real-time battery percentage and temperature alerts alongside an 8-in-1 safety protection system.
HIGH-SPEED POWER BANK
A 20,000mAh power bank in the glovebox
Features a high-speed 60W USB-C input/output to quickly recharge the 20,000mAh power bank or run laptops, tablets, and phones.
3-MODE EMERGENCY LIGHT
Light, SOS, and strobe on the roadside
Equipped with a built-in flashlight featuring steady illumination for repairs, an SOS distress signal, and a warning strobe for roadside safety.
Real drivers, real jump starts
See it used by people who drive what you drive
Safety features and protections
Nine ways it protects you and your vehicle
Built-In Protection Systems
- Reverse polarity protection
- Overcurrent protection
- Overvoltage & overcharge protection
- Short circuit protection
- Over-temperature control
Smart Clamp Technology
- Spark-proof design to prevent accidental discharge
- Indicator lights: green for a correct connection, red for incorrect
- Audible alerts for improper setup
Certifications
The Lectron Jump Starter S10 meets safety standards including CE and UL compliance, ensuring consistent performance and protection.
Step-by-step guide
How to jump-start a car with a 4000A jump starter
Using a car jump starter is simple, but following the correct process is important.
Connect
Plug in the jumper cables. Ensure the unit has at least 50% charge.
Clamp
Attach red to positive (+) and black to negative (-). Wait for the green light.
Start
Start the engine within 30 seconds. Remove clamps and unplug the cable.
Note: Ensure the jump starter has at least 50% charge before jump-starting. Recharge every 3 months to maintain optimal performance.
After Starting
- Once a vehicle starts, it's recommended to disconnect the jump starter within 10–30 seconds to avoid damage
- Let the vehicle run to recharge the battery
- Recharge your jump starter if the battery level drops below 50%
Important Tips
- Only use on 12V systems
- Charge the jump starter fully before using it for the first time
- Avoid repeated attempts to prevent overheating
Key specs
The numbers, explained
Peak vs Continuous Power
4000A peak is a short starting burst. Sustained cranking output is lower and is what carries the start under load.
Capacity & Number of Starts
Capacity determines how many jumps you get. The 20,000 mAh S10 needs a 1-minute wait between starts.
Recharge Options
- USB-C cable for fast charging
- 12V car adapter for on-the-go recharge
Recommended Operating Conditions
Operating Temp
-4°F to 122°F
Charging Temp
32°F to 104°F
Storage Temp
-4°F to 122°F
Peak Current
4,000 A
Capacity
20,000 mAh
Bidirectional Power Hub
60W USB-C
Operating Temperature
-4°F to 122°F
Charging Temperature
32°F to 104°F
Storage Temperature
-4°F to 122°F
Peak Current
4,000 A
Capacity
20,000 mAh
Bidirectional Power Hub
60W USB-C
What's in the Box
The Lectron Jump Starter S10 kit includes:
Jump starter device
Car charger
Smart battery clamps
USB-C cable
Carrying case
User guide
Complete Your Charging Setup
Better value than buying separately.
Lectron 4000A Portable Jump Starter
$159.99
Lectron NACS to CCS Adapter with Interlock | Vortex Plus
+$184.99
Total value:
$344.98
Frequently Asked Questions
Everything else worth knowing
About the product
What engines can this jump starter start?
It supports engines up to 10L gas and 8L diesel using 12V lead-acid, AGM, or gel batteries. That covers cars, trucks, SUVs, hybrids, ATVs, motorcycles, watercraft, and lawn mowers.
Can it start a fully drained (0V) battery?
Yes. True 0V start is engineered to jump-start completely depleted batteries that standard chargers cannot detect.
How fast does it recharge?
The S10 uses 60W USB-C Power Delivery and typically recharges in about 1.5–2 hours. A 12V car adapter is also included for on-the-go charging.
Is it safe for beginners?
Yes. Spark-proof smart clamps, connection indicator lights, audible alerts, and built-in protection systems (reverse polarity, overcurrent, over-voltage, short circuit, and over-temperature) are designed for first-time use.
How should I maintain it for standby reliability?
Keep at least 50% charge before jump-starting, recharge every 3 months, and store in a dry place away from extreme heat or cold.
Is a 4000A jump starter too powerful for smaller vehicles?
No. A 4000-amp jump starter regulates its power output, delivering only what your engine needs to jump start. With spark-proof protection and smart battery clamps, it's safe for smaller cars, motorcycles, and larger trucks. It won't overload your car battery when used correctly.
How do I choose the right amp rating for my vehicle?
Match the amp rating to your engine size. Smaller gas cars need less amperage, while SUVs, trucks, and diesel engines require more power. A 4000-amp jump starter offers flexibility for multiple vehicles, ensuring you always have enough power for a reliable car battery jump.
