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Best Power Banks Over 30000 mAh: Never Run Out Of Power

In an age governed by electronics and mobile devices to fuel our countless needs and tasks, any mobile device dying on you is the last thing you need. Especially if you are setting out on a long journey or trip, a reliable source of battery power is a staple gadget in your backpack. Among a plethora of power banks in the market, you’ll require a battery pack with a massive store if you want to survive for a week or two without an electric power source/outlet. For that matter, power banks above 30000mAh capacity are all the rage, most of them are heavy and large but you can’t beat the ease of mind that comes with these bad boys with regards to keeping your phone, tablets, laptops running for days without dying.

1. MAXOAK Power Bank

High Charge Capacity


  • DC outlet power bank (more power saving)
  • Extremely durable
  • Excellent customer care service


  • Heavy
  • Not TSA approved due to its size

Capacity: 50000mAh | Weight: 2.77 pounds | Dimensions: 8.1 x 5.3 x 1.3 inches | LED Display: None | Warranty: 12 months

Amidst an endless sea of power banks for mobile phones and smaller portable devices, Maxoak came out with a behemoth power bank churned out especially for providing capacious charging to your laptops (up to 130 Watts). It is a long-lasting DC power bank with an astounding capacity of 50000mAh*3.7V)/185Wh (130W Max). It has an abundance of outputs for your various needs; we have one DC 20V/5A for laptops with voltages of 18.5-20.5V; a DC output of 12V/2.5A for your cameras, routers, and LED lights; two USB 5V/2.1A and USB 5V/1A for smartphones iPad, Tablet and other USB charged devices. This high utilitarian quality allows for charging multiple devices concurrently. This battery pack can be recharged in about 6-8 hours locked and loaded to recharge laptops (65W) 2.5 times and smartphones for 11-18 times given that you are not using these devices while charging.

What’s more, it has an additional external battery backup which can be used to charge the main body while in use, enabling charge and discharge simultaneously. It encompasses over-current/low-current protection which will elicit automatic shutdown of your laptop/device for protection against harmful current, which can be a pain sometimes. Moreover, its main battery is constructed with Lithium-ion polymer battery cells and built-in security protections, garnering more energy density, to ensure safe use and 1000 plus long recharge cycles. You are advised to steer clear of 20V power supplies for charging this product

In terms of portability, it is comparatively heavier than other power banks which purport to provide lower power deliveries. Nonetheless, in the hindsight, the capacious battery stock outshines the physical woes of this product. You can abuse it under high temperatures to freezing cold temperatures, this bad boy will not give up on you that easy. It is compatible with a wide array of laptops, such as Dell, HP, Lenovo, Surface Pro 2/3/4(DC12V), Sony, Samsung, Acer, Toshiba, IBM, NEC. You will get 14 DC connectors in accord with various laptops. Of import, this battery can withstand laptops with amperage under 5A, for laptops higher than this, you must look elsewhere. This is the best product for people who are constantly moving around with their laptops and do not mind extra weight on their bag if it means to ensure a long-lasting battery. If you are more of a phone or tablet person, you’ll prefer lighter power banks.

2. POWERADD Pilot Pro Power Bank

Reliable Charging


  • LCD screen
  • Great device for CPAP
  • Fast and stable charging
  • Wide output voltage range


  • Over-sized and heavy

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Capacity: 32000mAh | Weight: 1.85 pounds | Dimensions: 7.3 x 1 x 4.8 inches | LED Display: Yes | Warranty: 24 months

The main catch of this battery is its appealing LED and diverse voltage output coupled with a beefy capacity of 32000mAh. It can handle smartphones, 5V USB devices, laptops, tablets, and CPAP machines, you name it. It boasts a relatively high power conversion efficiency of about 85% which is impressive per se. It is accentuated by a fast and stable charging via three outlets; one DC output and two USB ports which allow three devices to charge from the power bank simultaneously.

Moving onto the small display screen on the device, as its name connotes, it indicates the remaining percentage of power in the form a power gauge/bar which steps down at every 1% drop in power instead of showing 3 typical bricks. It has heartening flexibility with regards to voltage outputs, displaying a 5V /9V/12V/16V/19V/20V switching system, allowing connection with a diverse number of devices with their respective voltage requirements. Not to mention, it comes with 10 different plugs/connectors for different laptop models. Just press the power key to cycle through different voltage ranges and view the remaining power and voltage setting. Moreover, it embodies multiple protective features such as over-charge protection, over-current protection, over-voltage protection, over-temperature protection, and short circuit protection for longer safety of the device.

What’s more, its battery is anti-explosion, which charges at 18.5 volts, so as long as your device being charged is below 18.5 volts, the battery can be charged and provide power through the connector at the same time. Things would a bit different with devices higher than 19 volts, the battery will deplete while charging even with concurrent charging. The battery takes 6 and a half hours to reach 100% which will suffice for 16 to 20 hours of CPAP (without dehumidifier and heat), no wonder this power bank is highly acclaimed among the CPAP users. It is covered by an aluminium body which ensures a better heat dissipation. Lastly, this battery pack exceeds the 100 Wh limits for travelling so you have to obtain permission from the airline to take up to 2 of them with you as a carry-on and requires packaging according to IATA guidelines. To recapitulate the above context, this is a great product for CPAP as well as mobile, tablet and laptop users. It may not pack the monstrous battery capacity like Maxoac but still manages to deliver more stable and clean power to your device.

3. iMuto Power Bank

High-End Features


  • Battery display in digital format
  • Doesn't heat up under max loads
  • Intelligent device output voltage adjustment


  • Heavy
  • Fragile build quality

Capacity: 30000mAh | Weight: 1.36 pounds | Dimensions: 6.8 x 3.4 x 1.2 inches | LED Display: Yes | Warranty: 18 months

iMuto power banks are supplemented by an intelligent internal circuitry which promptly adjusts itself according to your mobile device’s required current or voltage requirements to confer fastest possible charging, from any USB power source, for your device whether it be 5V, 9V, or 12V. This Qualcomm 3.1 certified device encompasses a high capacity of 30000mAh which can handle three devices simultaneously with each device receiving its optimum voltage.

Its built-in A-class lithium polymer batteries can charge a 2016 MacBook 2 times, iPhone 7 and 6 almost 10 times, Galaxy S7 for almost 6.5 times, and the iPad Air for almost 2.5 times. You will require a iMuto USB to USB Type-C cable to charge your Nintendo Switch. Let it charge overnight and feed your numerous devices with this bad boy. Taking a look at its outputs, they’ve aggregated multiple USB A ports and a USB Type-C port for newer devices. The USB Type-C ports serve both as charging port for the power bank as well as for the phone, Nintendo Switch, etc. While the micro-USB port serves to power the main power bank batteries. Of import, the USB connectors are snugly fit to bypass any potential damage to the attached devices.

You can stay updated with the remaining power status of the bank, in digital format/figures, through a beautiful display screen on the side of the body. It remains dormant until you press the side-mounted button. The display lights up when it commences the charging for your device and goes out shortly after. The massive power capacity is compensated through its hefty body which accounts for the weight which you must live by if you don’t want compromise on the battery life in the long run. Of course, the device comes equipped with multiple built-in protection systems against over-charging, over-current, over-voltage, and short circuit. Lastly, you will get an additional external X6 battery pack, a micro USB cable, and a travel-proof pouch. It is a great product if you want to charge multiple mobile devices with different voltage and ampere ranges.

4. RAVPower Power Bank

Lifetime Warranty


  • Intelligent device output adjustment
  • Great display screen
  • Strong and resistant body
  • Lifetime warranty


  • Over-sized

Capacity: 32000mAh | Weight: 1.13 pounds | Dimensions: 6.9 x 3 x 1 inches | LED Display: Yes | Warranty: Lifetime

This is a solid power bank which does utter justice to its heavyweight through a huge battery life that bespeaks for this heartening travel companion. The 32000 mAh is not for show, we’ve tested it and it is capable of charging an iPhone 7  for 7 times, iPhone 6 for about 11 times, Galaxy S8 for 6.5 times, and Galaxy S7 edge twice, depending on your electronic device, it has enough kick in it to last you around 11 days or so.

Its upgraded Lithium polymer batteries take 12 hours to recharge when connected with a 2.4A charger, giving you more than double the speed than the 1A charger. You are advised to employ DC 5V/2A rated and above charger for an optimum recharge speed. Moving on to its output ports, it has three USB ports designated for smartphones, tablets, etc. The individual port carries 2.4A current and 6A all told. Not to mention, they can cleverly adjust their output voltages per inserted device’s requirements like the iMuto power bank.

There is a small point of concern with regard to its size which shoots above the 100Wh requirement for carry-on in aeroplane flights. You are recommended to contact the airline first to weed out ensuing problems beforehand. This thing is shelled with UL94 fire and UV resistant cover contrived to survive through the toughest of the weathers. Moreover, it is equipped with over-charging, over-current, and short circuit protection systems. Lastly, it has a solid display set up in the form of a power button and four LED lights which signify remaining power as; 1x solid LED= 1%-25%, 2x solid LED= 26%-50, 3x solid LED=51%-75%, 4x solid LED=76%-100%. Durability and deep power storage come in a single punch in the form of RAVPower battery pack, if you’re planning on a rough trip ahead, give this tank a try.

5. AUKEY Power Bank

Quick Charge 3.0 Support


  • Qualcomm Quick charge 3.0
  • Fast USB Type-C port that supports both input and output
  • Great customer care
  • Compact size


  • Occasionally fragile USB Type C port

163 Reviews

Capacity: 30000mAh | Weight: 1.3 pounds | Dimensions: 5.9 x 3.3 x 1.1 inches | LED Display: None | Warranty: 24 months

Small yet robust and powerful, yes, this battery lives up to this phrase thoroughly. It packs 30000mAh capacity which can nourish your iPhone 6s 11.5 times, Galaxy S7 Edge 5.5 times, iPad Mini 3 times, etc. Its strongest forte, the robust charge/recharge speed compared to rest of the battery packs. For a quick recharge within only 8 hours, you have to simultaneously plug into the micro-USB and USB Type-C input on the PB-Y3. On the contrary, if you charge it via either individual port, it will take more than 11 hours to fully recharge. Furthermore, the “Qualcomm Quick charge 3.0″ allows 4 times faster charging for compatible devices compared to the average charging.

It is powered by INOV (Intelligent Negotiation for Optimum Voltage) technology which complements the battery output by fine-tuning the current, up to 2.4A, and voltage output efficiently depending on the connected mobile device. It is compatible with all types of USB connectors from Type-A to Type-C, it is well known among Nintendo Switch users and other USB devices like Bluetooth speakers, headphones, Nexus 6P, etc as well. The battery pack’s interior is well protected against over-current, overheating, and over-charging. Lastly, this product comes with a trifling item in the form a small flashlight which hasn’t been much of a utility for us. This is a solid product for people who live a fast life and need snappy recharging and charging along with amazing customer care.


Bill Wilson

Bill is a certified Microsoft Professional providing assistance to over 500 remotely connected employees and managing Windows 2008 to 2016 servers.