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Parameters are absolutely real and use more safe and efficient, design is unparalleled.
Yesper Speed 4120 is the most powerful car jump starter, featuring at 4120 A peak current, 26800 mAh (99.16 Wh)
Features ✪ Speak The Fact Of Power ✪ Start Your Car Fast ✪ Large Battery Capacity & Long Standby Time ✪ 3 Modes Led Light to Brighten Your Night ✪ 26800 mAh Power Bank ✪ Safety First ✪ OK to Charge Your Car Equipment ✪ Born to Jump Start Description All-New Jump Starter & Start Your Car Fast
Jump start a dead battery in seconds with this ultra-compact yet powerful car battery booster(heavy-duty jumper clamps included). It releases maximum energy (4120A peak) at every start for most 12V vehicles (All gas or up to 10.0L diesel engines) and works even in extreme climates -20 ~ 60°C. Large Battery Capacity & Long Standby Time
Equipped with 26800 mAh battery and low self-discharge (≤120 uA), one full charge can use many times. With its multi-functional design, it's ready to charge all your devices by 3 outlets. 26800 mAh power bank functions to Keep your power run on a long trip. It can last 6-12 months after being fully charged, however, recharging it every 3 months is recommended. Original Design
“Black & White” racing car's unique appearance features a fire-proof ABS casing, and rugged & water-resistant enclosure, keep this cool jump box in your car and be ready to start a fast and furious tour! Help you out of the following dilemmas quickly and easily. Forget to turn off the light all night, encounter the extreme weather, or need a jump, Yesper jump starters help you out of desperate and get fast on the road.
Improved Safety Technology
Internal self-protection system for high temperature, reverse polarity, short circuit, over-current, over-load, and spark-proof for incorrect connections. The LED flashlight has 3 modes for extra functions (lighting, Strobe, SOS).
What's Included 1 × Host
1 × USB to USB-C cable 1 × EVA BOX 1 × Intelligent jumper cable 1 × Cigarette Lighter Socket adapter 1 × User Manual Specifications Brand: YESPER
Item model number: YJS40
Voltage:12V
Battery Cell Composition: Lithium
Peak Current:4120A
Battery Capacity:26800mAh(99.16Wh)
Item Weight:775g
Product Dimensions:224*89.6*43.8mm
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We are an authorized distributor, all items are 100% original and Our devices have a warranty,
12 months of free repair for the devices.
Please contact us firstly when you need warranty service.
In case an item arrives faulty, please contact us in 30 days and keep it unused.
We will instruct you on how to return and get a refund or replacement.
If after 30 days, or the item has been used, we have the right to decline your claim.
Items should be returned at the buyers' cost for repair or replacement.

