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Carku Portable Power Bank Emergency Jump Starter 18000mAH 600A PC 12V

5 Stars

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Product Description


Never lose power again for your car, boat, phone and laptop. Feel safe with a high quality and high capacity emergency battery with built in torch.  

Features & Benefits

  • Carku E-Power 21 Lithium 18000mAh Battery Mini Jump Starter is best smallest, lightest emergency battery that is suitable for large cars and diesel.
  • With high capacity high power Lithium Cobalt Battery cells to support fast charging and low self-discharge 

  • At full charge the Super Multi Battery Booster you can jumpstart 30 to 40 without having to plug the unit in. 
  • Safest unit on the marker with best quality leads with inbuilt cross circuit and overcurrent protection.
  • Super Bright LED Lights with 3 Functions.

  • Suitable for Petrol 7.0L and diesel cars, boats upto 5.0L.

  • Jump start all vehicles including cars, boats, motor cycle and jetski.

  • Over 5 to 9 full charges for your mobile phone. (Iphone 6 1810mAh, Iphone 6S 2915mAh, Samsung7 300mAh)

  • Charge all electrical items including phone, laptop, camera, games PSP and many more.

  • DC voltage output 5, 12 and 19volt.

  • Suitable for all phones, included in pack is three way connectors for Iphone 5, 6, Samsung and android phones.

  • Suitable for 19v laptops included in pack is cable and adaptors for PC - LENOVO,SONY,IBM,ACER,HP,DELL,SAMSUNG,NEC and many more

  • High capacity Nano Lithium Polymer battery power pack

  • LED indicator charge status.

  • Charging cycles can reach more than 1,000 times.

  • You cannot overcharge or undercharge this unit. Charge either 240v or 12v (Adaptors and Cables included)

  • Australian suitable charger – no adaptors required.

  • 12mth warranty


At tinker we have purchased samples of over 10 different design and manufacturers of jump starters. This product meets the five of the most critical things, inbuilt safety for over current and cross circuit protection, suitable for most small and large cars, test certifications, high quality cable so less heat or chance of cable breakdown and high build quality.

Check out our Tinker Tech web site for links to lots of content.

Review Findings – Positives

Really nice case that holds all the unit chargers and connectors well contained. Great looking unit the right size to even use as your emergency torch. As a torch it would days without charge.

Review Findings – Negatives

All lithium Ion batteries will lose charge over time, the manufacturer recommends to charge every 3mth (Tinker verified - I used and charged multiple times, left in the car for 3mth and still 100% charge) I would like an audible warning as I would hate to leave it for a couple of years then not have charge in an emergency.

My Product Hints

Careful of mAh claims of other products, I’ve seen multiple occurrences of the sample parts where the the mAh is overstated. The most critical is Peak amps to suit your car, this is normally stated either in the vehicle manual or on the battery in your car.  

Diesel cars require much larger capacity jump starters, the Carku 21 will start up to 4lt diesel engines and if you have a 7.0 petrol engine, one you really like going fast and two the Carku 21 also suits you vehicle.

The single button turns the unit on, checks charge status and when held for about 2secs turns on torch and changes torch function, on fast flash and slow flash.  


Please let us know what you like and don’t like about the Carku 21.

Kit Contents

  • Leather (PU) case and colour box

  • Carku 21 jumpstarter battery.

  • 240v – 15V Home charger

  • C12v cigar Socket charging Cable

  • Intelligent Jumper cable

  • 8pcs Notebook connectors + 1pc switch cable

  • 3-in-1 Mobile Phone Cable

  • User Manual

  • Size/Weight: 25.0*26.7*6.2cm, 1.5kg

Stock Location - Melbourne Australia. 


-      Battery Capacity: 18000mAh / 66.6WhInput: 14V 1A

-      Output: 12V Car Jump Start, 5V 1A, 5V 2A, 12V 10A, 19V 3.5A

-      LED Light: Steady On, Burst Flashing, SOS

-      Start Current: 300A

-      Peak Current: 600A

-      Operating Temp.: -20°C ~ 60°C

-      Lifetime: >1000 cycles

-      Size Battery: 230 x 87 x 27mm

-      Weight of Unit: 615g

-      Weight of Complete Kit: 1345g 

Product Videos

CARKU 18000mAh model e-power-21 jump start video (00:51)
CARKU 18000mAh model e-power-21 jump start video smart jump cable with six protections
  • CARKU 18000mAh model e-power-21 jump start video
    CARKU 18000mAh model e-power-21 jump start video smart jump ca...

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Product Reviews

Write a review

  1. Jump starter 5 Star Review

    Posted by on 19th Sep 2016

    So far this is the best one I have tried. Some don't stack up as described.

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