With people’s increasing needs of power supply outdoors, power banks with monster capacity tend to win a place in the market. However, as those power banks differ in manufacturer, design, material, and technology, their prices are largely different. Below are some best-sellers at several price ranges chosen from Amazon.
Polanfo 20000 mAh Universal Ultra-compact Power Bank for Smartphone&Tablets — $15.99
The ultra-slim and thin power bank provides powerful and stable power supply and is powerful enough to charges the Mobile phone 6 times.
Expertpower 20000 mAh Portable Charger with 3 Ports — $17.99
20000mAh High Capacity rechargeable capacity guarantees you’ll never be without your smartphone or tablet due to a dead battery. Top 18650 batteries cells ensure the charging safety.
iMuto Taurus X4 Universal 20000 mAh Power Bank with Quick Charge — $29.99
Both USB ports detect your device intelligently and delivers the faster charge. Smart Digital Screen shows remaining power in digital format.
Aukey 20000mAh Portable Charger with AiPower Tech — $24.99
Super-fast charge output (5V / 3.1A total) through dual USB ports (5V / 2A and 5V / 1A) allows simultaneous charging of your iPad, iPhone, and other devices.
EasyAcc Monster 20000mAh Power Bank with Smart Technology — $35.99
20000mAh High Capacity: Charge an iPhone 6 7.5 times, a Samsung S6 5 times or an iPad Mini 3 2 times. Unique 4A Dual input ports allows it to be recharged in 6 hours. Smart USB ports detects input of your device and output the same current as the original adapter.
Anker PowerCore 20100 Ultra-high Capacity Power Bank — $39.99
Weighs as little as a can of soup (12.5 oz) yet charges the iPhone 6s seven times, the Galaxy S6 five times or the iPad mini 4 twice. PowerIQ and VoltageBoost combine to deliver the fastest possible charge up to 2.4 amps per port or 4.8 amps overall.
Vinsic® 20000mAh Smart Dual USB Power Bank — $34.90
It adopts top-grade chip to supports over-charged, over-discharged, over-voltage, over-current and short circuit protection, and made of fireproof PC V0. Built in soft light LED screen will show the remaining power capacity in digital when you touch its surface lightly.
OPES 20000mAh Ultra-slim High-capacity Power Bank — $48.50
Dual USB port with 3.1A output capacity charges two devices simultaneously on the go and at home. Ultra-Slim design with high quality rechargeable Li-Polymer battery and hard aluminum alloy construction is a solid and very convenient to carry around at anytime and anywhere.
Solove Titan Power Bank 20000mAh — $44.99
CNET’s Pick – “Seriously, these slim, rounded, metallic beauties look like they should have an Apple logo stamped on the top.” With the 5V 3.1A output ports, charges two 5V devices simultaneously while on the go, fastest charge speed up to 2.1 amps.
Vinsic 20000mAh Ultra Slim Power Bank — $44.90
With 20000mAh high capacity, the power bank provides powerful and stable power supply for each port. Equipped with dual USB ports to fast charge two digital devices simultaneously.