· Advanced Jump Starter Pack: 4000 A Peak/ 26800 mAh/ 99.2 Wh
· Start 12V Vehicles up to 12.0 L Gas Engine/ 10.0 L Diesel Engine
· Low Current Mode : Support charging headphone, smartwatches.
· USB-C Input/ Output: PD100W Max; Backwards Compatibility
· Super-Fast Recharging: From 0% to boost a car in 3 min
· Informative 3.3" LED Screen：See the operational status at a glance

GT4000S BATTERY JUMP STARTER BOOST A CAR AT -40°F

By design, GT4000S is water-resistant and dust-resistant as all ports sealed. By function, it can be used in an environment from -4°F to 140°F. High battery performance to keep you on the go.

START DEAD CAR

GT4000 car jump start pack can boost 12 V vehicles up to 12.0 L gasoline and 10.0 L diesel engines quickly and safely. Say goodbye to dead car.

Please note that only the GT4000 has the pre-heating tech, while the GT4000S does not.

3-MIN SUPER-FAST CHARGE TO 20% READY TO BOOST

100W Speed Charging charges from 0% to 20% in 3 minutes and 100% in 1.2 hours with the car charger provided or quick speed wall charger( not provided).

3.2" INFORMATIVE LED SCREEN GIVE ALL STATUS AT A GLANCE

3.2'' led screen shows you the battery level, specific operational status, and some error reminders. See all the information at a glance.

PORTABLE CHARGER TO MULTIPLE DEVICES

With 2 USB ports and 1 type-c port( 100 W Max input/ out), it can also work as a 26800 mAh portable power pack to charge all your devices, like your phone, iPad and even Macbook.

Press the POWER and BOOST button simultaneously for 2-3 s to turn on the low current mode for charging devices that need light charging current like headphones, smartwatches, etc.

400 LUMENS LED EMERGENCY LIGHT

400 lumen LED light to brighten your world. There are 3 modes of LED light (flashlight, Strobe, SOS) if you press lightly. Examine your car engine or deliver an SOS signal during emergencies.

8 SAFETY PROTECTION ENSURE YOUR SAFETY

Super-safe 8 Security Protection - including over-current protection, overload protection, over-voltage protection, and overcharge protection, making it safe for anyone to use.

BUILT-IN SMART PROTECTION

GT3000 and GT4000 have all the smart protections through GOOLOO built-in smart clip, just like other series of GOOLOO jump starters that equip with smart jumper cables for safety protections.

15 V 10 A DC OUTPUT POWER UP THE TOUGHEST BATTERIES

Connect the 12 V devices that need to be powered by a cigarette lighter socket(the cigarette lighter socket adapter is included). It can output 150 W Max.

30S GET RID OF THE FOLLOWING DILEMMAS

Not confined to the traditional way of fixing up a dear car battery again, having this battery jump starter on the go is the most advanced and effective way for you.

HOW TO JUMP START

GOOLOO car power pack starts a car in only three steps. You can simply clamp-on, connect to the car battery and start your car while your car battery is died from aging or weather. Jumping start a car can be so easy.

PORT FEATURES

TECHNICAL SPECIFICATIONS

WHAT'S IN THE BOX

Please note that the unit does not come with EVA box.

All orders are shipped free of charge and are not subject to sales tax.

We only ship within United States.

We are unable to ship to Alaska, Canada, Hawaii and Puerto Rico.

We try to make the delivery process as simple as possible, and we can send your order either to your home or workplace. Unfortunately, we do not offer deliveries to PO boxes or parcel motels.

All orders ship from warehouse closest to the delivery address.

Warehouse Locations: California, Missouri, New Jersey, Georgia and Texas.

We use priority FedEx and USPS to ship items 

All orders are processed within 2-3 business days.

Delivery in 3-5 business days on average when not delayed by the freight company.

Orders are not shipped or delivered on weekends or holidays.

For a quote on express shipping rates, please feel free to reach out and we will be more than happy to help.

Note: Tracking information is available within 1-3 days after shipping. If you received a tracking number that is not working at the time you are trying, please check again within 24 hours before contacting us as it takes time to update the system, thank you!

We would accept returns if you notify us via email at support@delta-portablepowerstations.com within 30 days after your package had been delivered (according to the tracking information provided). If 30 days had gone by after your package was delivered, unfortunately, we would not be able to offer you a refund or exchange.

To be eligible for a return, your item must be in the same condition that it was in when you received it. It must also be in the original packaging and not used/opened.

In the rare case that a product becomes faulty or a buyer receives a product with defects, buyers are entitled to request a product replacement within 60 days of receiving the item. To request a replacement, buyers are required to provide photo/video evidence of the product's manufacturing defects via email at support@delta-portablepowerstations.com. If the case is deemed valid, we will cover the related cost to deliver a replacement!

**Please also include your invoice number/order number for us to match up your order in the system.

*** Please enclose in the return package your order info and state clearly if you would like a replacement or refund.

The following information is needed to process your request:

1) Your order number

2) The email address used to place the order

3) Reasons for return

Please send the above information to us via email at support@delta-portablepowerstations.com. You should also enclose it in your returned package for us to match your order. Without the information, we would not be able to identify and process your package.

Refunds (if applicable)
Once your return is received and inspected, we will notify you of the approval or rejection of your refund.

If approved, your refund would be processed, and a credit would be automatically applied to your credit card or original method of payment, you can expect a refund within 1-3 business days.

Any orders that are rejected by the customer for any reason other than damage in shipment or wrong items shipped must pay return shipping cost.

15% restocking fee may additionally be assessed for any refused product, damaged, returned, or otherwise. Furthermore, Delta - Portable Power Stations only accepts returns for unopened merchandise if customers decide to not use it.

For the return of US orders, we'll charge the transaction fee (2.6% for credit card users, 3.6% for PayPal users, 3.5% for Affirm users) + shipping cost. For quality issues, we will give you the full refund or one-time free replacement after you receive the goods.

After you returned the product to our warehouse, we'll issue the refund within 14 business days, you'll be notified with an email once your order is refunded.
If you don't receive the refund after 14 business days, please contact us via support@delta-portablepowerstations.com

Return Shipping Cost

We will charge you the shipping fee under these circumstances: 

• If you cancel your order over 24 hours and within 30 days without any reasons, we'll charge the transaction fee (2.6% for credit card users, 3.6% for PayPal users) + shipping cost.
• Any defects or damages caused by exposure to excessive heat, liquids or other external causes;
• Any defects or damages caused by reliability or compatibility issues when using unauthorized third-party parts;
• Any defects or damages caused by misuse of products, unauthorized modification, dis-assembly or operation not in accordance with the official instructions or manuals;

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