3/4 view, torch on right Front view USB charging cables and wireless charging ring Car jumper cables All the parts in the kit laid out Jumpstarted with USB cable attached, AC and 12V cigarette lighter chargers lying beside it Jumper cable attached Torch lit Detail of USB cable attached Digital display showing power Accessories in open case 3/4 view of closed case Shown on a car with jumper cables Wirelessly charging a phone inside a car Charging a laptop in the outdoors
3/4 view, torch on right Front view USB charging cables and wireless charging ring Car jumper cables All the parts in the kit laid out Jumpstarted with USB cable attached, AC and 12V cigarette lighter chargers lying beside it Jumper cable attached Torch lit Detail of USB cable attached Digital display showing power Accessories in open case 3/4 view of closed case Shown on a car with jumper cables Wirelessly charging a phone inside a car Charging a laptop in the outdoors

Heavy Duty S4000A 12V Car Jump Starter and Power Bank

Style Code: WIL-10051

A compact companion to keep your car and devices operational, 50 jump starts on a single charge. View full details

$389.99

or 4 interest-free payments of $97.49 with
Afterpay – How it works
The Heavy Duty S4000A 12V Car Jump Starter and Power Bank is a compact, powerful companion to keep your vehicle and your devices operational on your adventures. It can effortlessly jump diesel engines up to 10 litres and all petrol engines with 50 jump starts on one charge, charge your phone wirelessly with its wireless 15W charging pad, charge multiple devices at once using its USB-C and two USB-A ports and light up your environment with its 500 lumen LED torch that can also be set to SOS and strobe modes. If your vehicle's battery is too low for a standard jump start use the Boost Button on the jumper cable for an extra kick. You can keep an eye on how much battery is left with the LED display and keep the Jump Starter/Power Bank and its accessories protected in the included heavy-duty carry case.
  • The EC5 Output of 12V/4000A ensures a reliable jumpstart for your vehicle: it will jump a 10-litre diesel engine and all petrol models
  • A massive 28800mAh internal lithium-ion battery delivers the power for up to 50 jump starts on a single charge
  • Ideal for home, farmers, tradies, boat users, off roaders, campers and adventurers of all kinds
  • Power bank function that can charge USB devices such as mobile phones, tablets, digital cameras and more with USB-C and dual USB-A outlets so you can conveniently charge multiple devices at once
  • Micro-USB input for flexible recharging
  • BOOST button function on digital smart jumping cable with heavy-duty clamps provides extra kick when the vehicle battery is too low for a standard jump start, ensuring a safer and more reliable start every time
  • 15W wireless charging pad for mobile phone
  • Recharge in as little as 2 hours with PD60W fast charging
  • LED display so you can keep your eye on battery usage
  • Powerful 500-lumen LED flashlight for up to 35 hours of illumination with 3 light modes so you have a reliable source of illumination in any situation
    • Torch mode which can provide at least 35 hours of continuous use when fully charged
    • SOS mode
    • Strobe mode
  • Built-in safeguards provide peace of mind with:
    • Reverse polarity protection
    • High temperature protection
    • Short circuit protection
    • Low input capacity protection
  • Comes with:
    • Digital smart jumper cable with battery clamps to ensure a safe and easy jumpstart every time
    • High quality multi charging cable, USB-C, micro-USB and lightning connectors
    • 12V cigarette lighter charger
    • AC wall charger
    • Heavy-duty protective zipped carry case
    • Soft velour drawstring carry bag
  • To maintain healthy battery life it is recommended to give this Jumpstarter a maintenance charge every 3 months
  • Operating temperature: minus 20°C to 60°C
  • 12-month warranty against defects in material and/or workmanship (3-months for commercial use), it does not extend to damage caused by normal wear and tear, accidents, misuse, lack of maintenance, neglect, natural disaster, or other external causes; to damage caused by operating the equipment in a manner outside that described in the instructions; to items modified, altered or tampered with
Charge time
PD60W: 2 hours
USB-C: 4.5 hours
Micro-USB: 8 hours
Dimensions
20.9 x 10.7 x 5.64cm
Battery capacity
99.16Wh/28800mAh at 3.7V
Battery type
Lithium Ion
Light source
LED Light Power: White 1W, 500 lumens
Ports
EC5 Output: 12V, up to 4000A (maximum starting power)
USB-A Output 1: 5V/3A, 9V/2A, 12V/1.5A (QC 3.0)
USB-A Output 2: 5V/3A, 9V/2A, 12V/1.5A (QC 3.0)
USB-C In/Output: 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3A MAX (PD60W max)
Micro-USB Input: 5V/2A
Wireless Charging Output: up to 15W
Weight with batteries
856g

Need help? Get in touch

How long will my order take to arrive?

Standard NZ orders are sent via NZ Post Overnight Delivery. Orders placed before 2pm are usually delivered the next working day. Rural deliveries and some remote areas may take a little longer. Oversized items like large packs or tents can take 5–9 working days.

How much does shipping cost?

Shipping is free on New Zealand orders over $150. Orders under $150 have a flat $5 shipping fee. Oversized items incur an additional shipping charge due to their size and weight.

Can I return or exchange an item if it doesn’t fit?

Yes. New and unused items can be returned within 30 days for a refund or exchange, provided they’re in original condition with tags and packaging attached. If you’re unsure about sizing before ordering, our team is always happy to help. Customers are responsible for return shipping costs, but we’ll cover the freight cost of sending out exchanged items.

Can I click & collect my order?

Yes - we offer free Click & Collect from all Bivouac stores. If your item is already available in your selected store, it may be ready the same day. Some items may need to be transferred between stores and can take 3–5 working days. We’ll contact you as soon as your order is ready to collect.

Can I track my order?

Yes. Once your order has been dispatched, you’ll receive a Shipping Confirmation email with your NZ Post tracking link and details. All online orders are fully tracked so you can follow your delivery from dispatch through to arrival.

3/4 view, torch on right

Heavy Duty S4000A 12V Car Jump Starter and Power Bank

$389.99

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3/4 view, torch on right Front view USB charging cables and wireless charging ring
Heavy Duty S4000A 12V Car Jump Starter and Power Bank
A compact companion to keep your car and devices operational, 50 jump starts on a single charge

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