8 Best Portable Power Bank 50000 Mahs of February 2021

  1. Product Highlights
    • Long-lasting dc power bank for laptops:ultra high capacity 50000mah(3.7v)/185wh(130w max.).compatible with a wide variety of laptops(max.130w)- dell hp lenovo surface pro 2/3/4(dc12v) sony samsung acer toshiba ibm nec.we include 14 dc connector for various laptops. once fully charged, k2 portable battery pack can charge laptops(65w) about 2.5 times and smartphone about ...
    • Emergency battery backup for outdoors. size 8.1" x 5.3" x 1.3" and weight 2.77lb.you can easily put this portable charger in your briefcase ,backpack or the carrying bag. keep your laptops, phones, fans,led lights, nintendo switch, speakers, cameras powered during road trip, hunting,camping, fishing,etc.
    • Superior quality&safety guaranteed: conform to ul1642 and ul2056 standards. constructed with lithium-ion polymer battery cells&built-in 6 security protections to ensure safety use and 1000+ long recharge cycles. we offer customers a 12 months hassle-free 100% satisfaction & replacement warranty.
    • Dc20v/dc12v/usb5v outputs:all-in-1 fast charge battery pack.it features with 1*dc20v/5a for laptops(18.5v~20.5v), 1*dc12v/2.5a for cameras,routers,led lights, 2*usb 5v/2.1a and 2*usb 5v/1a for smart phones, ipad, tablet &other usb-charged devices. you can charge several devices simultaneously to save you much time. ultra energy saving & fast charging speed with dc input...
    • What you can get: 1 x laptop power bank(k2),1 x ac adapter, 1 x dc cable, 14 x dc connector for laptops, 1 x multifunction bag, 1 x manual.
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  2. Product Highlights
    • 2. multi-functional interface-it has 6 output ports. one 20v/5a for laptops, one 12v/2.5a for digital cameras, two 5v/2.1a and two 5v/1a for most of smart phones, ipad, tablet and more usb-charged devices. it can charge several devices simultaneously and fast. laptop connector contains lenovo, dell, toshiba, sony, hp and etc. make you charge your laptop anytime, anywher...
    • 4.led indicator with aluminum shell and exquisite design-the smallest size currently for 50000mah laptop power bank in market, minimum size & lighest weight,exquisite design make it easy to tuck this power bank in your briefcase backpack.the shell is fire retardant,friction resistant/corrosion resistant/extrusion resistant and hardly scratch;more comfortable when using ...
    • 1.ultra high capacity power bank-50000mah/185wh(tsa are not approved for airline travel/external battery charger) adequate supply for your laptops,phones and tablets,it can charge your iphone 6 plus nearly 11 times,iphone 6 more than 17 times,galaxy s6 almost 11 times,no trepidation about power shortage, let you charge your devices any time,and facilitating your travel ...
    • 3.improved safety technology-constructed with lithium-ion polymer, battery cells built-in 6 security protections to ensure, make it safety use and 1000+ recharge cycles. keeping constant power output for charging the devices, also with preventing overcharge/over discharge/overvoltage/overcurrent/short circuit function and restoring protection.
    • 5.fully furnished- 14 connectors,1 x maxoak laptop battery,1 x home charger,1 x dc cable,1 x multifunction bag,1 x manual,total 14 kinds of connectors are supplied to assure a maximum compatibility with a wide range of popular laptops notebooks. one package include everything you need and it can support to charge your different laptops
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  3. 7.9 Reviews
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  4. Product Highlights
    • 【super huge capacity】built-in lithium battery, 40000mah/148wh/100 w mobile supply, powerful enough to charge macbook pro 13 over 5 times, or charge iphone 11 over 9 times. it can meet your needs during outdoor travelling, camping, sporting, and other activities with a compact size of 7.44*4.92*1.77 in and a weight of 2.2 lbs.
    • 【universal compatibility】charge all pd & non-pd devices at full-speed. pitch-perfect performance for macbook pro 13/15/macbook air 13(2018)/macbook 12, hp spectre x360/x2/spectre folio/elite book 830 g5, dell xps 13/15, lenovo x1/yoga730/e490/ideapad 720s-13/thinkpad x390, matebook x/x pro/13, samsung notebook, nintendo switch, ipad pro 2018, iphone 11/11 pro/11 pro max...
    • 【all-in-1 portable battery】upgraded portable charger is equipped with ac port, qc 3.0 usb-a port, two 5v/3.1a usb-a ports and type-c pd 45w port, supporting 5 outputs simultaneously. you can share power with your families/friends during temporary power outage or road trip.
    • 【lcd display & solar charging】built-in lcd digital display shows real-time data such as battery level, available time, overload alarm and high/low temperature indicator. in addition, the power supply supports solar and dc 15v charging input. to use solar charging, plug the mc4 cable (not included) into the charging port, and adjust the angle of solar according to the po...
    • 【safe and reliable】certified by ul, built-in smart ic intelligently identifies and powers your gadget with optimized current, provides surge protection, over-voltage, over-current and short circuit protection.
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  5. Product Highlights
    • Ready for cpap: this portable power bank features a high-power 12v / 15a (150w max.) cigarette lighter port to boost most of the popular cpap machines when camping, including philips dreamstation, resmed airsense/aircurve 10, and resmed s9. please note that cpap adapters are not included and need to be purchased separately.
    • Superior safety: the built-in intelligent battery management system (bms) features overcharge, over-voltage, over-current, short circuit, and over-heat protection, providing devices with all-round protection and ensuring the charger completes above 1000 charge cycles for an extended lifespan.
    • High-capacity backup power: the compact power bank condenses 72000mah / 266wh (note: not tsa-approved, not allowed on a plane) enormous off-grid power to a book-sized frame. it is capable of delivering speedy charges to multiple devices simultaneously with a high power conversion rate of up to 90%. ideal and reliable for power outages, camping, travel, road trips, and i...
    • Versatile charging: through carefully selected charging ports including a dc output port (12v / 4a, 16v / 4a, 19v / 3.5a, 21v / 3.2a), two usb-a ports (dc 5v / 2.1a, dc 5v / 2.4a), and a 12v / 15a (max) cigarette lighter port, this backup power supply gives multiple charges to a wide range of devices: phones, tablets, uav batteries, mini-fridges, and even medical equipm...
    • What you get: renogy 72000mah high capacity power bank, 11 adapters for some laptops, power adapter, user manual. please leave a question in the q&a sector or contact us to check compatibility before purchase (click the store name sold by “eforces” on the right hand and click the “ask a question” button).
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