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Jump-start petrol engines of all sizes and diesel engines up to 10 litres with ease. Never be stranded by a dead battery again.
A massive 28,800 mAh internal battery delivers the power for up to 50 jump starts on a single charge. Perfect for charging laptops, tablets, phones, and other devices while you’re on the go (Number of jumpstarts may vary depending on battery condition and vehicle type).
The Boost Button provides extra kick when the vehicle battery is too low for a standard jump start, ensuring a safer and more reliable start every time.
Stay powered anywhere with USB-C Power Delivery (up to 60 W), dual QuickCharge (QC) USB ports, a 15 W wireless charging pad, and a Micro-USB input for flexible recharging.
Three lighting modes—Steady, SOS, and Strobe—make it ideal for roadside emergencies, camping trips, or night-time repairs, with up to 35 hours of run time in steady mode.
A clear LED status display shows remaining battery capacity at a glance, so you’re never left guessing.
Built-in safeguards provide peace of mind with:
Reverse Polarity Protection
High Temperature Protection
Short Circuit Protection
Low Input Capacity Protection
Smart jumper clamps with starter cable
12 V car charger adapter
AC wall charger
USB-A to 3-way charging cable (USB-C, Lightning, and Micro-USB)
Hard storage case
✅ Massive 28,800 mAh battery – serious power for serious jobs
✅ 4000A EC5 output – starts up to 10 L diesel and all petrol engines
✅ 15W wireless charging pad – charge your phone, cable-free
✅ 500-lumen LED flashlight – 3 modes: solid, SOS & strobe
✅ USB / USB-C / Micro USB ports – power multiple devices at once
✅ LED display – check battery level at a glance
✅ Smart jumper cables & clamps – safe, fool-proof starts
✅ Heavy-duty carry case – rugged protection wherever you go
⚡ S4000 = Power. Versatility. Reliability.
Keep it charged every 3 months for best battery health — and get ready to experience ultimate power at your fingertips!
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Wildtrak Leisure recommends having your order delivered to a business address or an address where you or someone you designate will be available to accept delivery. If you elect to give Authority to Leave to any of our couriers (sender permits courier to leave the parcel if no one is at the address and there is somewhere safe to leave it) for your parcel, Wildtrak Leisure accepts no responsibility for the parcel thereafter as it has been deemed as delivered. We are unable to deliver to a PO Box, Private Mail Bag or Parcel Locker.
Delivery time can take anywhere between 2-10 working days after dispatch depending on your location. Remote and regional areas will require a longer delivery time of up to 14 days.
Tracking numbers are available and provided via email when your order has been dispatched. Please use your tracking number to track the status of your delivery.
The shipping fees we charge include postage and handling fees, we cannot provide discounts or refunds on freight or handling fees. Wildtrak Leisure reserves the right to request an additional freight charge for deliveries more than 150kms from a major city. Customers will be notified prior to orders being processed and dispatched. Orders will be refunded if the customer objects to additional charges.
Combined postage is not available. Some products may be dispatched in more than one carton.
We currently only dispatch to addresses within Australia unless otherwise listed. We do not ship to Islands or remote areas without a separate freight quote.
We aim to dispatch all products within one working day of your full payment being made. Buyers must agree with the above postage and handling terms before purchase
All Jumpstarters come with a 2 month warranty
Yes for battery maintenance and upkeep it is recommended to do a full charge every 3 months when not in use.
Wildtrak Jumpstarters have an estimated 1000.
Yes you can
Rated to IP65, dust tight, no ingress and protected against water jets.
LiPo= Lithium Polymer, suitable for high power use.
Pouch. Pouch cells can run at a higher discharge current than cylindrical. The pouch cell makes the most efficient use of space and achieves a 90 to 95 packaging efficiency, the highest among battery packs.
Peak current is the maximum current that a Jumpstarter can discharge initially, and normally only for a very short period. Peak current for the S4000 is 100 milliseconds. *The peak current rating depends on lab results, which may vary depending on the testing equipment and environmental temperature.
USB-c is the quickest and recommended way to charge the units. (1) Ensure USB-c (USB-c/USB end of lead) is plugged into the wall adaptor (2) The USB-c (multiple adaptor end of lead) is plugged into the INPUT point on the Jumpstarter (3) The second number should be flashing on the LED when charging (4) If no lights flash and charging does not commence try to charge another device using the lead such as mobile phone or camera to ensure lead is working and use another USB-c on the Jumpstarter to ensure lead and unit are at fault.
