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On December 1st,2017, Peking University threw 2017 Scholarship Ceremony in Yingjie Communication centre. CARKU President Charles Lei was invited to present the award to the excellent students granted with "CARKU scholarship", who are from different insitutes of Chemistry and Molecular Engineering;Software and Microelectronics; Economics, Guanghua Management, Information Science and Technology.
CARKU President Charles Lei has been graduated from insitutes of Chemistry and Molecular Engineering of Peking University since 2000. Now he established CARKU Scholarship in 2015, and every year he donated 100,000RMB to award and help the excellent students to study harder and have a happy university life. In 2017, he still hopes that all studuents have great curious to explore unknown world and desire to innovation to make great progress.

CARKU has built a laboratory in Peking University and Tsinghua University to reseach and develop some projects. We have achieved a great success on had some projects including lithium battery car jump starter.
JS617N Heavy Duty Sodium-Ion Jump Starter 4000A Peak – Starts 6.6L Gas Trucks & Commercial Vehicles – Works at -40°C – Portable Emergency Car Battery Booster with LED Flashlight
● 4000A PEAK POWER FOR HEAVY-DUTY VEHICLES – Engineered for 6.6L gasoline trucks, SUVs, and commercial vehicles, the JS617N delivers an instant 4000A surge to get you back on the road in seconds.
● SODIUM-ION TECHNOLOGY BUILT FOR EXTREME COLD – Advanced sodium-ion (Na⁺) technology: less dependent on scarce lithium and lead resources, built for a sustainable future.
● OEM/ODM JUMP STARTER AVAILABLE — Need a custom solution? Contact us for your exclusive quote today.
A reliable all-in-one tyre inflator jump starter does more than just inflate tyres. It restores proper tyre pressure in minutes and delivers instant emergency starting power when your car battery lets you down.
It also features three lighting modes — SOS, Strobe, and Flashlight — making it ideal for outdoor use and nighttime emergencies. Compact enough to fit in your bag, this portable jump starter also functions as a mobile power bank, allowing you to charge your electronic devices anytime, anywhere.
Looking for Jump Starter ODM/OEM solutions? Contact us today for your exclusive quote.
JS625 Sodium-Ion Jump Starter 1500A Peak – Works at -40°C to 80°C – Starts Cars, SUVs & Motorcycles – 10400mAh Ultra-Lightweight Portable Emergency Car Battery Booster with LED Flashlight
● 1500A PEAK, SODIUM-ION POWERED — Starts cars, SUVs, and motorcycles instantly. Na⁺ sodium-ion technology delivers stable cranking power in extreme conditions where conventional batteries fail.
● WORKS AT -40°C TO 80°C (-40°F TO 176°F) — From frozen winter mornings to scorching desert highways, the JS625 performs where lithium and lead-acid simply can't.
● OEM/ODM SOLUTIONS AVAILABLE — Looking to private-label or customize a sodium-ion jump starter? Contact us today for your exclusive quote.

Building A, Qixing Creative Square,
Lianrun Rd., Gaofeng Community,
Dalang Street, Longhua District,
Shenzhen,Guangdong,China

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