70mai Jump Starter Max 2
Start Strong. Ready to Go. Built for Safety.
Why Use a Jump Starter Max 2?
Dead Battery?
Start in Seconds.
3000A peak current delivers reliable jump starts when you need them most.
• Up to 8.5L gasoline engines
• Up to 7.0L diesel engines
High Capacity,
Minimal Footprint.
20000mAh capacity in a compact body that's easy to store in your car.
• 70% power retention after one year*
• Protective carry case
More than a Jump
Starter.
Stay powered on the road for your everyday devices.
• Portable power bank function
• Charge phones and other accessories
Dead Battery?
Start in Seconds.
3000A peak current delivers reliable jump starts when you need them most.
• Up to 8.5L gasoline engines
• Up to 7.0L diesel engines
High Capacity,
Minimal Footprint.
20000mAh capacity in a compact body that's easy to store in your car.
• 70% power retention after one year*
• Protective carry case
More than a Jump
Starter.
Stay powered on the road for your everyday devices.
• Portable power bank function
• Charge phones and other accessories
* Data is based on testing conducted by 70mai Labs. Actual results may vary depending on usage conditions and environment.
Powerful Starting Performance
Designed for repeated real-world use, delivering strong starting confidence in every situation.
Built for fast response and consistent output, providing dependable ignition when you need it most.
1500A
Starting Current
3000A
Peak Current
20000mAh
Capacity
8.5L / 7.5L
Gas / Diesel Engines
Up to 22
Jump Starts Per Charge*
70% Retention
After 1 Year*
* Data is based on testing conducted by 70mai Labs. Actual results may vary depending on usage conditions and environment.
Power for
Large-Displacement
Engines
SUVs
Pickup Trucks
12V Vans
(Cargo Vans)
8-Layer Protection Smart Clamps
Safety for your jump starter.
Safety for you.
· 8-layer protection that prevents common jump-starting mistakes for safer operation every time.
· Each layer adds protection from connection to use in real-world conditions.
Reverse Connection
Over-Voltage
Reverse Charging
Under-Voltage
Short Circuit
High Temperature
Over-Starting
Start Timeout
How to Get Back on the Road in Minutes?
Simple, intuitive operation designed for emergency use. No technical experience required.
Plug in
Plug the jumper cable into the jump starter.
Connect
Connect the jumper starter to the car battery.
Start
Start the car by turning on the ignition key.
Remove
Once the car starts, disconnect the jumper cables and remove the clamps.
Product Specifications
70mai Jump Starter Max 2
Starting Current
Peak Current
Capacity
1500A
3000A
20000mAh
USB-A Output
USB-C Charging Input
Charging Time
5V/2.4A
5V/3A, 9V/2A, 12V/1.5A
QC 18W max
Approx. 6h
Vehicle Compatibility
Jump Start Cycles
(per full charge)
Operating Temperature
Up to 8.5 L gasoline
cars / 7.0 L diesel cars
Up to 22 jump starts on
8.5L vehicles*
-20~50°C for USB-A output
-20~60°C for 12V jump start
Storage Life
(fully charged)
Charge Retention
After 1 Year
Approx. 35 months*
70%*