ZeroLemon 30000mAh Power Bank

ZeroLemon 30000mAh Power Bank

The powerful ZeroLemon 30000mAh USB C External Battery features multiple ports, including a Quick Charge USB, to power your smartphones, and even your MacBook.

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ZeroLemon 30000mAh Power Bank at a glance

Key specs

Capacity

30000 mAh

114 Wh

Dimensions (LxWxH)

7.1 x 3.6 x 1.3 in

18.03 x 9.14 x 3.30 cm

Weight

20 oz / 567 g

Charging technology

Charging time: 3.5 h

Qualcomm Quick Charge

PBE metrics

Affordability

mAh/$

Average
349.89 mAh/$

Portability

52.91 mAh/g

1500.00 mAh/oz

Ports

USB Type A

USB Type A

Output: 5V/1A
USB Type A

USB Type A

Output: 5V/1A
USB Type A

USB Type A

Output: 5V/1A
USB Type A

USB Type A

Output: 5V=2.4A, 9V=2A, 12V=1.35A (QC3.0)
USB Type C

USB Type C

Input: 5V/2.5A (max)
Micro USB port

Micro USB

Input: 5V/2A (max)

Flight status

Between 101 Wh and 160 Wh

Status: Special Permit

The power bank is between 101 and 160 Wh. You will need a special airline permit in order to bring it on board. Read more about it here.

Other features

LED power indicator

Short circuit protection

Incorrect charger protection

Surge protection

Overcurrent protection

Charging cable

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Charging capacity calculator

Use the search bar below and find out exactly how many times can the ZeroLemon 30000mAh Power Bank charge your smartphone battery

ZeroLemon 30000mAh Power Bank Review

The ZeroLemon 30000mAh Power Bank has enough power to fully charge an iPhone 11 Pro 8 times, a Galaxy S20 at least 6 times, and a Note 10 Plus, 7 times. With its 30000mAh power output, it’s powerful and comes with an array of safety features, plus some add-ons. This high-quality battery charger is a must-have for charging multiple devices at the same time.

Charging Technology 

With an incredible power output of 30000mAh, this ZeroLemon power bank can charge an average smartphone multiple times. It’s great for boosting the battery or adding a 100-percent charge to a drained device. It’s also compatible with a range of other devices, such as tablets, MacBook Pro 15, and the Nintendo Switch

The power bank technically enables you to charge multiple devices at the same time, though some customers commented on how this drastically reduced its battery life.

This external battery features five USB ports, enabling you to charge numerous devices at one time. Of these options, you’ll receive one Quick Charge port, which can charge at 5V=2.4A, 9V=2A, 12V=1.35A. For the remaining, you’ll receive three USB A ports of 5V/1A (a slow charging speed), and one remaining UBS Type-C of 5V/2.5A port that is able to charge MacBooks. This vast selection is great for times when you need a battery boost in a short amount of time.

Zero Lemon 30000mAh power bank

Once the battery is empty, it takes 12-13 hours to fully charge the device through its Micro USB Input of 5V/2A. Although this time might be longer than most brands, once the battery reaches 100 percent, it can charge your device numerous times. It doesn’t feature pass-through technology, though the previous version of this model does.

Portability

The ZeroLemon 30000mAh Power Bank weighs 20 ounces, which is around the weight of five iPhone 6’s. For some customers, this weight might be off-putting, though the device prides itself on having a high-power output and quick-charge technology rather than being lightweight.

It measures 7.1 x 3.6 x 1.3 inches, which is taller than the iPhone 10 and around twice as thick.

Zero Lemon Power Bank

These dimensions make the device inappropriate for storing in your pocket and carrying on the go. But, it’s convenient enough to store in a backpack ready for the next use and makes a great contender for keeping your laptop charged in business meetings. 

However, with a capacity of 114Wh, which is above the 100Wh limit set by the TSA, you can’t take it on planes unless you request special authorization from the airline.

Look and Feel

The power bank is only available in matte black and it has smooth edges to add a luxurious touch. You’ll see the brand’s name embedded into the material at the bottom, which is an elegant touch that’s great for someone searching for a subtle design.

Although the ZeroLemon 30000mAh Power Bank might not have a standout appearance and has a minimalist design, it’s built to last. Its rugged rubber protective case can handle drops to the floor, and it’s the kind of device that you can throw into your backpack and not worry about is fragile exterior. This rugged material also provides a pleasant gripping surface to have the device non-slippy. 

To further improve durability, each of the five ports is covered with flaps, preventing water, dust, and debris from entering while you’re not using the device. Be careful when snapping them back into place, because they can break easily if you’re not gentle.

At the back of the device, you’ll notice a power button plus four LED lights that display the number of bars remaining. Typically, a power bank presents the charge status at the side of the unit, so it’s refreshing to see a unique design.

Durability and Build Quality

We love the number and quality of the safety features the ZeroLemon 30000mAh Power Bank offers. These include output overvoltage protection, short circuit protection, input overvoltage protection, output overcurrent protection, and incorrect charger protection. These built-in safeguards enable protect the power bank and your device during use. 

30000mAh portable charger

There aren’t any specifics regarding the number of charge cycles this device can offer, though, customers report it continuing to work over one year, and no effect in the battery power after 20+ uses. 

It’s built with one lithium polymer battery, which is unlikely to overcharge and has a limited chance of electrolyte leaking — contributing to the device’s safety features. It’s also water-resistant, so it can withstand droplets of rain on it, though will be affected if submerged in water. 

Your purchase includes a one-year warranty cover, so you’ll receive peace of mind should the device arrive defective or you experience any malfunctions after several uses. Simply contact ZeroLemon and they’ll issue a replacement if your power bank has stopped charging or won’t operate efficiently.

like

Pros

High capacity of 30000mAh

Features five charging ports

Supports Quick Charge technology

Suitable for a range of devices 

Strong and resistant shell

dislike

Cons

Heavy and bulky

Charges MacBook Pro slowly, compared to the wall charger

Slow charging from the three 5V/1.0A USB A Output ports

Final Thoughts

Overall, the ZeroLemon 30000mAh Power Bank is a suitable purchase if you wish to charge a range of devices — from smartphones and laptops to an electrical toothbrush. It’s kitted with safety features and can handle rough use, too. Although it may not be the lightest power bank on the market, it makes up for this with a large power output and rugged design. If you’ve purchased this power bank, share a comment with your thoughts and feedback.

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