· Powerful Car Jump Starter: 4000 A Peak/ 26800 mAh/ 99.2 Wh
· Start 12V Vehicles up to All Gas Engine/ 10.0 L Diesel Engine
· 3 Ultra-Bright Lighting Modes: Flashlight, SOS, Strobe
· 4 Output ports for charging your devices
· 8 Security Protection: Spark-proof and over-current protection
· Come with an EVA storage box

GOOLOO FLAGSHIP GP4000 JUMP STARTER ENRICH YOUR DRIVING LIFE

The GOOLOO GP4000, as our flagship product, is a powerful lithium jump starter box that delivers 4000-amps for jump-starting a car quickly. The best in car breakdown assistance.

START YOUR CARS IMMEDIATELY

The high power of 4000 A peak current will support ALL engines of gasoline and 10.0-Liter engines of diesel at best.  With it, you can jump start cars in seconds without anyone else's help.

SPARK-PROOF REVERSE POLARITY PROTECTION

8 Security Protection | It includes over-current protection, overload protection, over-voltage protection, and overcharge protection, etc., making it safe for anyone to use.

UPGRADED APPEARANCE AND PERFORMANCE

GOOLOO always pays attention to innovation and detail, always getting improved from generation to generation. The GP4000 is way better than any other models of titan series in many details. Upgraded peak current and battery capacity mean jump-starting cars faster and more times used.

30S GET RID OF THE FOLLOWING DILEMMAS

Not confined to fix up a dear car battery only, having a GP4000 car booster pack on the go is the most advanced and effective way to you.

HOW TO JUMP START

GOOLOO jump starter starts a car in only three steps. You can simply clamp on, connect to the car battery and start your car when your car battery is dead from age or weather. So easy,right?

CHARGE MULTIPLE DEVICES

Not only can it jump start your car, it can also charge your multiple devices on the road, like smart phone, bluetooth, ipad and so on. A real portable power bank charger.

BRIGHT LED EMERGENCY LIGHT

A built-in LED light with 3 modes can be worked as a practical flashlight to check your car or send an SOS signal if needed. Completely ideal for darkness and emergency.

JUMP-START CAR IN EXTREME WEATHER

The operating temperature of GP4000 is under -4°F~104°F(-20°C~40°C). It is easy to jump-start a dead car in ice and snow. Get your car up and running if your battery dies from age or weather.

PORT FEATURES

COME WITH 15V/10A DC INTERFACE

The standard DC cigarette lighter female socket(included) is compatible with any 15 V electronic devices without occupying the one in the car. Ideal for portable tire inflator or car vacuum cleaners.

TECHNICAL SPECIFICATIONS

WHAT'S IN THE 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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