Multi-function Car Jump Starter

Brand: what's useful

Product Code: CJQCGJQT00038-default

Availability:In stock

$105.00 105.00

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PORTABLE POWER - With 16800mAh capacity, it can charge laptops(not include Macbooks), smartphones, tablets, and other devices at a speed up to 2A per port. 600A peak current works with most petrol engines with a 12V battery. Start current: 300A.

POWERFUL & COMPACT - Jump begins your vehicle (up to 6L gas or 2L diesel engine) with 600 amps of peak current and significant duty clamps and cables.

MULTIFUNCTIONAL DEVICE - This device is a compact power bank (with 4 USB ports), a car jump starter, a safety hammer and an LED flashlight(with 3 light modes: Illumination, SOS, Emergency Strobe). All fit into a minimal and portable design.
Whether it's your automotive or your USB devices, never run out of power again

SAFETY PROTECTION - Multiple safety protections to protect your car as well as a jump cable smart chip to prevent short circuit, overcharge, over current, over-discharge, and reverse connection.
Build-in good IC for every USB port showing intelligence identifies your device and adapts to its specific recharge rate, accelerates the charging method.


Model number: GG-JS-18
Size: L175*W80*H30mm
Power Weight: 355g
Charging mode: CC/CA 12V 1A
Output: 5V-2A, 15V-2A, 16V-3.5A, 19V-3.5A
Car boot voltage: 12V
Boot current: 300A
Peak current: 600A
Cycle boot life: more than 3000 times
Full charging time: 4~5 hours
Operating condition: -20~65 Degrees Celsius 

The Main Functions:

Start Car (when the car battery run out)
Charge Cellphones (tablet PC / camera)
Charge Laptops (other devices)
Flashlight/SOS Lights/police lights

Jump Starter Package list: 

Car jump starter *1
Battery clamps (Red=positive; Black=negative) *1
Wall charger *1
Car charger *1
4in1 charging cable *1
Laptop connector *8
Laptop charging cable *1
English instructions *1
Retail tool case *1

Customer Reviews

Based on 7 reviews

Multi-function Car Jump Starter


Multi-function Car Jump Starter


item received in good condition and store promptly send item to destination. less than 2 weeks of ordering. thanks.


Multi-function Car Jump Starter


Multi-function Car Jump Starter

Delivery time estimated between 7 days to 20 Days (average time is 10 days).

 Delivery is free.

We ship to those countries :

United Kingdom
United States


Shipment processing time

 All orders are processed within 2-5 business days. Orders are not shipped or delivered on weekends or holidays.

If we are experiencing a high volume of orders, shipments may be delayed by a few days. Please allow additional days in transit for delivery. If there will be a significant delay in shipment of your order, we will contact you via email or telephone. 

On average, a package can take 7-15 days to arrive from the date of shipment.

Shipping rates & delivery estimates 

Shipping charges are free for all orders.

While we will endeavor to have products ordered delivered as soon as possible, whatsuseful is not liable for any delay in delivery by the courier company / postal authorities and only guarantees to hand over the consignment to the courier company or postal authorities within 24 working days from the date of the order and payment or as per the delivery date agreed at the time of order confirmation. Delivery of all orders will be to registered address.

Shipment confirmation & Order tracking
You will receive a Shipment Confirmation email once your order has shipped containing your tracking number(s). The tracking number will be active within 48 hours.



whatsuseful will provide a full refund/replacement if:

– Orders arrived damaged.

– Order arrived damaged but you dont want the replacement to be sent.

– For electronic products, you should inform us in the 2 days after received.

– Send us Explanation and Photos of the damaged item to prove damage to [email protected]