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Anker 337 Power Bank (PowerCore 26K)
Anker 337 Power Bank (PowerCore 26K)
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Travel Ready
Light enough, and compact enough to fit in your bag for days out and longer adventures.
Faster Charging
Boasts 3 USB ports equipped with Anker’s exclusive PowerIQ and VoltageBoost technologies for super fast charging.
A Week of Power
The colossal 26800mAh capacity can charge most phones over 6 times.
High-Speed Recharging
Dual input ports with a max input of 4A ensures a full charge only takes around 6 hours.
Superior Safety
Anker’s MultiProtect safety system ensures complete protection for you and your devices.
The Anker Advantage
High-speed charging. Leading technology. Join our family of over 30 million happy users, and change the way you charge.
Model Number: A1277
Anker 337 Power Bank (PowerCore 26K)
The Fast-Recharging Colossal-Capacity Power Bank
Set Yourself Free
Get freedom from your wall for over a week. PowerCore 26800 provides almost 10 iPhone 8 charges, 6.5 Samsung Galaxy S8 charges or multiple charges for almost all tablets and other USB devices.
Charge-Faster Technology
Anker’s exclusive PowerIQ and VoltageBoost technologies combine to ensure the fastest possible charge for all non-Quick Charge devices—includes all Apple phones & tablets and most Android devices (max output 6A, single-port max output 3A).
Double-Speed Recharge
With dual input ports and a max input of 4A, a full charge takes just over 6 hours—twice as fast as a standard power bank. Recharge for a night; charge for an entire week.
Input: 5V ⎓ 4A (5V ⎓ 2A Max Per Port)
Output: 5V ⎓ 6A (5V ⎓ 3A Max Per Port)
Specs
Size
7 x 3.1 x 0.9in/180 x 81.5 x 22mm
Weight
495g/17.5oz
Max Input
5V=4A（5V=2A Max Per Port）
Output
5V=6A (5V=3A Max Per Port)
Capacity
26800mAh/96.48 Wh
FAQ
Does it come with a charging cable and wall charger?
No, it comes with two USB Micro USB cables only.
Can I use other Micro USB cables other than the one that came with PowerCore 26800?
Yes, other Micro USB cables can be used to charge your devices with PowerCore 26800. However, to ensure compatibility and the best possible performance, we strongly recommend using your device’s original (OEM) cable, a third-party certified (MFI) cable, or the included cable.
What kind of wall charger should I use to charge PowerCore 26800?
You can safely recharge PowerCore in 6.5 hours using two 5V/2A or higher output chargers. Lower output chargers (such as some phone chargers) will not charge as quickly or reliably.
What should I do if PowerCore 26800 doesn't charge other devices?
Please try using a different charging cable between PowerCore 26800 and your device. Email us at support@anker.com during your 18-month warranty period if this doesn't fix the issue.
What should I do if PowerCore 26800 doesn't recharge?
Please try a different AC adapter and Micro USB cable to see if that helps. Email us at support@anker.com during your 18-month warranty period if this doesn't fix the issue.
Can PowerCore 26800 be taken on board airplanes?
"Yes, all external batteries with a capacity lower than 27027mAh (100 watt hours) can legally and safely be taken on board airplanes.
To calculate an external battery's capacity in watt hours: (Battery mAh Capacity X 3.7)/1000.
Here are the relevant requirements quoted from federal transportation security rules:
Effective January 1, 2008: Passengers may carry consumer-sized lithium ion batteries (a.k.a. rechargeable lithium, lithium polymer, LIPO, secondary lithium) with no more than 8 grams of equivalent lithium content or 100 watt hours (wh) per battery. This size covers AA, AAA, 9-volt, cell phone, PDA, camera, camcorder, Gameboy, and standard laptop computer batteries. Passengers can also bring two (2) larger lithium ion batteries (more than 8 grams, up to 25 grams of equivalent lithium content per battery) in their carry-on. This size covers larger extended-life laptop batteries. Most consumer lithium ion batteries are below this size."
Can PowerCore 26800 be used for international travel?
Yes, PowerCore 26800 can be used internationally. Just be sure that your USB wall charger is compatible with the voltage of the country you're travelling to. The input voltage of an adapter is usually labeled on the adapter itself.
How long will the charge in PowerCore 26800 last without being used?
Generally, our batteries' static power consumption is so low it would take between 20 and 36 months to drain completely. However, it is also worth noting that their chemicals will become less active if left unused for extended periods. To extend battery lifespan, discharge and recharge it at least once every 4 months.
The World's No. 1 Mobile Charging Brand*
200 Million+
200 Million+ Products Sold Worldwide
146 Countries
Available in 146 Countries
10 Years of Innovation
Pioneer in Charging Technology for 10 Years
- *In terms of retail value sales in 2020, 2021, and 2022.
- Data source: Euromonitor International (Shanghai) Co., Ltd., measured in terms of retail value sales in 2020, 2021, and 2022, based on research conducted in October 2023. Mobile charging brands are defined as brands if more than 75% of their retail sales are contributed by mobile phone charging products. Mobile phone charging products include chargers, wireless chargers, power banks, and charging cables, and these accessories can also be used for other consumer electronics devices.
"Anker Nano II can truly be one charger to rule them all."
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