Always Ready to Restart
70mai Jump Starter 2
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High Performance and Capacity:
- Powerful Jump-Starting: Provides a 1,000A peak current and 500A starting current, capable of jump-starting a vehicle up to 22 times on a single charge.
- Large Battery Capacity: Features a 10,400mAh lithium-ion battery.
- Instant Recovery: Designed to revive completely dead batteries within seconds.
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Wide Vehicle Compatibility:
- Versatile Engine Support: Compatible with 12V vehicles, including gasoline engines up to 5.0L and diesel engines up to 3.0L.
- Broad Vehicle Range: Suitable for use with cars, SUVs, vans, and motorcycles.
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Advanced Safety Features:
- Intelligent Protection: Equipped with battery clamps that offer four built-in safety protections: short-circuit, overheat, reverse charging, and reverse connection.
- Secure Design: Features a spark-proof design, durable high-hardness copper clips, and thick, extended insulated handles for safe operation.
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Compact and Portable Design:
- Smartphone-Sized: The device is roughly the size of a smartphone (138 x 80.3 x 34mm) and approximately 10% smaller than typical jump starters with similar capacity.
- Easy Storage: Its compact and lightweight (350g) design allows it to fit easily into a glovebox or handbag.
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Multifunctional Utility:
- 18W Fast Charging Power Bank: Functions as a versatile power bank with an 18W USB-A output for charging smartphones, tablets, dash cams, and other USB devices.
- 3-Mode LED Light: Includes a built-in LED flashlight with Normal, SOS, and Flashing modes for emergency use.
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Reliability and Ease of Use:
- Extreme Temperature Resistance: Operates reliably in harsh weather conditions ranging from -20°C to 60°C.
- Long Standby Time: Retains approximately 60% of its charge even after being stored for one full year.
- Simple Operation: Offers a quick three-step setup process to get back on the road easily.
Shipping & Returns
Row content
1. Shipping Fee &Time
Free shipping for orders over $99.
Shipping to the United States:
Order placed before 5pm (PT) will be dispatched the same day excepts weekends or public holidays. Shipping and delivery is an additional 3-7 days.
Shipping to CA/AU/KR:
Order placed before 5pm (PT) will be dispatched the next day excepts weekends or public holidays. Shipping and delivery is an additional 7-14 days.
Please allow up to 2 working days for processing your order. When your package is shipped, we will send you an email including a link and a tracking number so you can see the progress of your package.
During a sale event, shipping may be delayed due to the high volume of orders. We will process order ASAP, however if there is a significant delay, we will contact you through email.
2. Tracking Number
Once your order ships, we will send you an email including tracking number individually. Please allow 48 hours for the tracking update. If your tracking has no update over 3 working days, please contact us at onlinehelp@70mai.com, we are here to help.
3. Delivery Address
A correct and complete delivery address is essential. Otherwise your parcel may experience a delay or a lost which we are not responsible for due to the incorrect information provided by you (our customers).
We are unable to change the address once your package is already shipped out. If a package is returned to us due to an incorrect or incomplete address, we will contact you for a correction, and the package will be re-shipped at an additional shipping fee.
4. Order Cancellation
We accept order cancellation before the product is shipped. If the order is canceled you will get full refund. We cannot cancel the order if the product is already shipped out.
5. Order Modification
We don't offer order emendation after the order has been placed. If you want to change the item(s) of your order, please contact us in time to cancel the original order and replace it with a new one.
10400mAh Capacity
1000A High Peak Current
Compact & Portable Design
Multiple Battery Protections
Wide Vehicle Compatibility
3-Mode LED Light
18W QC Power Bank
Why Do You Need a Jump Starter?
Ever run into these situations?
Your car won’t start after sitting unused in the garage for weeks.
You accidentally left the lights on overnight, draining the battery completely.
Cold weather weakens your battery, leaving it without enough power to start.
Your car suddenly stalls on the road — and calling a tow truck is costly and inconvenient.
These problems can strike anytime, in any weather. With a reliable jump starter, you’ll be back on the road in seconds — no waiting, no hassle.
Large Capacity & High Peak Current-Instantly Revive Your Vehicle
Powered by a 4-cell battery design, the 70mai Jump Starter 2 delivers a robust 10,400mAh capacity and a 1,000A peak current, enabling you to jump-start your vehicle up to 22 times* on a single charge. Even a completely dead battery can be revived within seconds — no waiting, no towing.
Wide 12V Vehicle Compatibility
Designed to handle most vehicles with up to 5.0L gasoline or 3.0L diesel engines, the 70mai Jump Starter 2 is ideal for cars, SUVs, vans, and motorcycles — your reliable companion on every road.
Advanced Safety Technology
Equipped with intelligent battery clamps featuring four built-in safety protections and a spark proof design, the 70mai Jump Starter 2 ensures worry-free operation while preventing issues such as battery swelling, overheating, or short circuits.
·Short-circuit Protection ·Overheat Protection ·Reverse Charging Protection ·Reverse Connection Protection
Compact & Portable — Easy to Store and Carry
Around 10% smaller than typical jump starters of similar capacity, the 70mai Jump Starter 2 is around the size of a typical smartphone,
compact enough to fit effortlessly in your glovebox or handbag.
Lightweight and ergonomic, it's easy to hold, operate, and store — ready whenever you need it.
Doubles as an 18W QC Power Bank
More than just a jump starter, this versatile device supports 18W fast charging via USB-A output (5V⎓3A, 9V⎓2A, 12V⎓1.5A), making it perfect for powering smartphones, tablets, dash cams, or any other USB-powered devices on the go.
Built to Last in Any Situation
*Data from 70mai Lab. Actual performance may vary depending on storage conditions.
Quick & Effortless Setup
Simply connect the clamps to the jump starter, attach them to your vehicle’s battery terminals, and press the start button — getting back on the road is as easy as 1-2-3.
Connect the clamps to the jump starter
Attach them to the correct terminal of the vehicle's battery and press the Boost button.
Start your vehicle
In the Box
Tech Specs
10400mAh (38.48Wh)
Battery Capacity
500A
Start Current
1000A
Peak Current
5V/2A
USB-C Power Input
5V/3A, 9V/2A, 12V/1.5A (18W max)
USB-A Power Output
Approx. 4.5 Hours
Charge Duration (0% → 100%)
350g (0.77 Ib)
Weight
Working Temperature
-20 to 50°C (-4 to 122F) for USB-A Output
-20 to 60°C (-4 to 140°F) for 12V Jump Start
Charging Temperature
-5 to 50°C (23 to 122°F)
Storage Temperature
-20 to 60°C (-4 to 140°F)
Dimensions
138*80.3*34mm
(5.4*3.2*1.3 in)
Approx.60%
Charge Retention After 1-Year Power-off Storage
Vehicle Compatibility
5.0L Gasoline Vehicle, 3.0L Diesel Vehicle
LED Flashlight Mode
Steady / SOS/ Flashing
Battery Type
Lithium lon 2600mAh/3.7V