10 Best External Portable Back Up Batteries of April 2021

  1. Product Highlights
    • 🔥 【3.1a dual ports】 this power bank has 2 ports (2.1a + 1a) supports fast charge and discharge, with 5v / 2.1a, 5v / 1a smart output, charge two devices at the same time, saving time and improving efficiency .
    • 🔥 【universal compatibility】 our portable charger is suitable for a wide range of electronic devices that have usb port, such as iphone, ipad, android, tablet, camera and more; automatically identify the connected device and provide the best charging current, minimize the charging time, be safe and durable.
    • 🔥 【2 pack 10000mah portable charger】 the package includes 2 pack 10000mah external batteries, don't worry about the equipment running out of power. the built-in 10000 mah battery is enough to charge iphone x 2.5 times, samsung galaxy s9 2.3 times and ipad mini 1.2 times; which you can share with your friends when you need to charge two devices at the same time.
    • 🔥 【small and ultra slim】 this 10000 mah power bank only 210g weights and only 12mm thick. not only is it compact, but it has a rounded corner and an ergonomic design that allows it to be placed in your pocket or held in the palm of your hand; so easy to carry.
    • � 【what you get】 2 pack 10000 mah power banks, 2 * micro usb cables, 1* manual; ⚡warranty⚡ 60-day refund, 24-month warranty and 24-hour professional after-sales service: ☛click [your account]> [your order]> [order problem]> [contact the seller]
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  2. Product Highlights
    • [exquisite metal case] unique design makes charging no longer heavy. case fast heat dissipation,the device will not overheat. we offer a variety of colors to choose.
    • [cable 2 in 1 & led indicators] 1 micro charging cable is provided to both charge the external batterie and charge the mobile phone. bonai power bank has a function of protection of overload, discharge, high temperature and short circuit. this portable external battery can completely protect your device security during your use. 4leds indifier design, you can quickly de...
    • [slim & light 5800mah portable charger] 3,1 x 3,1 x 10,3 cm and weight 138g smallest and lightest design is super portable. once fully charged, no longer need to worry about your phone being exhausted all day long. its 5800mah capacity could charge your smartphone about 2-3 times(normally).
    • [upgraded ic technology 2x faster charging] 2.1a output auto detect your device and deliver its fully-intended charge speed once connected. convenient for traveling, working, hiking, camping, etc. it can charge iphone 7/8: 3-4 times, iphone 7/8 plus: 2-3 times, iphone x / xs: 2-3 times, galaxy s8 / s9: 2-3 times, huawei p20 pro: 2- 3 times, ipad pro: 1 time.
    • Bonai power - we are a professional battery manufacturer with 10 years of experience and we have been doing our best to meet customer needs. --【warranty and support】if you have any questions, feel free to contact us, we will reply you within 24 hours. we provide 24-month warranty and friendly customer service.
  3. Product Highlights
    • Capacity upgrade: the samsung s21 plus battery case with large battery power design, it can provide more than 100% extra power for your phone, built-in 6000mah high capacity power bank, provides extra power for your phone to offer you extra time for web browsing, video or phone call, and music. no worry your phone will be power off in traveling or working outside.
    • Power to charge anywhere: lithium li-polymer, specially designed for samsung galaxy s21 plus cellphone [6.7 inch] only, the charger is fully charged, connect the cell phone to pay cell phone life, at any time to charge simultaneously protect the phone from damage, take two functions, no more worried the battery of the phone failure.
    • Add more extra juice: built-in 6000mah lithium ion battery case add 100+% extra juice for your samsung galaxy s21+ plus 5g, extends the battery life with more power to talk, surf, watch video and gaming. ideal for long distance journey, business trip and outdoor activities to make it through the day. [not fit for s21, nor s21 ultra]
    • Safety and led power indicator: the samsung galaxy s21 plus 5g power bank case, featuring with led lights indicators, which easy to let you know how much charge is available, back built in switch on/off. also, safe with internal circuit protection against overheating, overload and short circuit.
    • Portable, convenient: 6000mah battery charger case for samsung galaxy s21+ plus made of durable material, provide full back cover protection, against scratches or daily damage. convenient for daily use and provide battery power for you during emergencies.
  4. Product Highlights
    • 🔋【type-c & micro usb input ## 2 usb outputs fast charge】this power bank with quick charging and discharging efficiency, supporting quick charging and discharging, with 2.1a type-c & micro usb input; 5v/2.1a,5v/1a intelligent output., charge two devices at the same time. allows you to fully refill the battery in 3.5 hrs at 5v 2.1a.
    • 🔋【universal compatibility】 our portable charger is suitable for a wide range of electronic devices which have usb port, such as iphone, ipad, android, tablet , camera and more;
    • 🔋【26800mah high capacity 】the solar power bank built-in 26800mah li-polymer battery, it’s enough to charge an iphone xs for 6.8 times, samsung galaxy s10 up to 5-6 times, an ipad pro for 2 times; no worries with the low battery of your mobile phone. it great for outdoor activities like camping, hiking and other emergencies
    • 🔋【solar charger for outside emergency】the solar panel could absorb light and transfer it into electricity, but affected by the intensity of sunlight and the conversion rate of solar panels, it only a auxiliary function which is only for emergency when you are in outdoor activities.please mainly use electric power charging as the main charging method.
    • 🔋【what you get】: 2020 newest 26800mah solar power bank, micro usb cable, user manual; ⚡guarantee⚡ 60 days money back, 24 months warranty and 24 hours professional after-sale sevice : ☛click [your account]> [your order]> [order problem]> [contact seller]
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  5. Product Highlights
    • 【double usb ports fast charging & three ports input】 the power bank had quick charging at the same time for phones and tablets through two usb ports. the 5v / 2a output port automatically detects the device's charging current and changes speed to achieve the fastest charging. have both lightning & usb c (type c) & micro, three ports input no need to carry multiple charg...
    • 【portable charger with safer protection system】with built-in safeguards design, this power bank can auto identify and change the charging current depending on the different devices to protect your devices against excessive current, overheating, and overcharging, no security risks
    • 【 ultra-high capacity】 the massive 30,000mah capacity provides more than 7 charges for iphone xs, almost 7 full charges for samsung galaxy s10, more than 5 and a half charges for huawei p30, and over 3 and a half charges for ipad mini 5. ❤we offer a 45-day money back and 24-month replacement warranty❤
    • 【high-quality batteries with lcd digital display】 the lcd screen is mounted on the surface of the power bank and the battery charge level can be checked easily and clearly. the remaining amount of up to 1% is shown exactly. there is no risk that the battery will run out. you can always know the remaining battery level.
    • 【portable charger with two-year product warranty】this portable mobile phone charger uses market-leading high quality li-polymer electric core battery to extend the using life. we are confident in the quality of our products, and we provide two-year warranty.
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