Best Backup Battery For Iphone 6s In April 2025

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You might be planning on getting the Best Backup Battery For Iphone 6s. Everyone loves products that prove to be invaluable investments. Check out our list of Top 10 Best Backup Battery For Iphone 6s here.

To help you in your search, we have completed this list of the Best Backup Battery For Iphone 6s.

Top Rated Best Backup Battery For Iphone 6s Of 2025

Rank	Product Name	Score
1	QTshine Battery Case for iPhone 6/6s/7/8, Upgraded [6000mAh] Protective Portable Charging Case Rechargeable Buy Now	9.7 Buy Now
2	Battery Case for iPhone 6s Plus/6 Plus/7 Plus/8 Plus,8500mAh Portable Charging Case External Buy Now	9.5 Buy Now
3	10000mAh Cell Phone External Battery Pack, Portable Phone Charger Power Bank 5V 3.1A Buy Now	9.1 Buy Now
4	10000mAh Quick Charge QC 3.0 Portable Charger Fast Charging Power Bank Slim Back Buy Now	8.8 Buy Now
5	Cell Phone Portable Charger TG90 Power Bank 20000mah External Battery Packs, 15W Max Buy Now	8.6 Buy Now
6	Anker PowerCore 10000 Portable Charger, One of The Smallest and Lightest 10000mAh Power Buy Now	8.3 Buy Now
7	Luxtude PowerEasy 5000mAh Ultra Slim Portable Phone Charger for iPhone, Apple Certified Power Buy Now	8.1 Buy Now
8	Never Run Out NRO Battery Case for iPhone 6 6s 7 8 Buy Now	7.8 Buy Now
9	Yoobao 20000mAh Power Bank Mobile Phone Charger External Battery Pack Battery Backup Cell Buy Now	7.5 Buy Now
10	Portable Charger, BONAI Power Bank 5000mAh, (Ultra-Compact)(Aluminum)(Travel) Slim External Backup Battery Pack High-Speed Buy Now	7.2 Buy Now

1. QTshine Battery Case for iPhone 6/6s/7/8, Upgraded [6000mAh] Protective Portable Charging Case

• Compatible modelplease note this battery charging case is only fit for iphone 6/6s/7/8 (4.7 inch), not fit for iphone 6plus/6s plus/7plus/8plus(5.5 inch) or other models, not compatible with iphone lightning headphone or traditional 3.5mm headphones, only works with apple airpods or other wireless bluetooth headphone.
• 6000mah high capacity last longerequipped with a powerful 6000mah built-in lithium polymer battery chip, more than doubles your iphone's battery life and never worried about your iphone ran out of battery in daily life. it's portable charging anytime and anywhere. perfect for traveling, camping, business trip or other outdoor occasions.
• Risk free & 24 month after-sale technical supportcustomer satisfaction is our primary priority. if you have any questions, issues or concerns please email to our after-sale team and we would be more than happy to assist. 24 month after-sale technical support, 30days no-hassle return and 24h customer service.
• Advanced sync & convenient led indicatoramazing sync-through technology that you can simultaneously charge your iphone and the iphone iphone 6/6s/7/8 battery charger case together. conveniently sync your iphone to your macbook, pc or laptop without having to take the battery case off. 4 led battery level indicators that let you know how much power you have (0--25%--5...
• Safe charging and protective designqtshine battery case for iphone 6/6s/7/8 was charging and protecting double function, well-made hard case with 360 degree protective bumper design, protect your iphone from scratches or other daily wear and tear. certificated by ce, fc and rohs. high-quality polymer batteries and safe circuit diagram design, internal chips to protec...

2. Battery Case for iPhone 6s Plus/6 Plus/7 Plus/8 Plus,8500mAh Portable Charging Case External

• Advanced sync-through technology : you can sync your iphone 6s plus/6 plus/7 plus/8 plus to your mac book,pc or laptop without take off the battery cover.also 100% compatible with all ios versions and future ios software updates,not compatible with apple carplay.
• 360 protecting and charging 2 in 1 : built in internal high quality chips can prevents your phone battery short-circuiting, overheating and over-charging. 360 full bumper design and hard shell back to protect your phone from scratches and other daily wear and tear(not include phone screen).
• Perfect services : we always strive to offer the best customer service, if you are not 100% satisfied with the battery case, please feel free to contact us. we will solve your problem within 24 hours,we will give you a satisfactory solution!
• Long charging life:this rechargeable powerful high capacity 8500mah iphone 6s plus/6 plus/7 plus/8 plus li-polymer backup charging case can effectively provide 200% +extra battery life for your phone,up to 17 hours talk time, 12 hours on web browsing time ,60 hours listen music ,13 hours video,3 hours 3d playing games.
• Important note :this battery case only fit for iphone 6s plus/6 plus/7 plus/8 plus (5.5inch),not works on iphone 6/7/8(4.7inch)for iphone 6s plus/6 plus, compatible with traditional 3.5mm lighting headphones or wireless bluetooth headphones to listen to music. for iphone 7 plus/8 plus, only works with apple airpods or other wireless bluetooth headphone,not compati...

3. 10000mAh Cell Phone External Battery Pack, Portable Phone Charger Power Bank 5V 3.1A

• Real capacity of portable charger: for this 10000mah power bank, it can recharge your iphone 7 4 times, galaxy s8 2.5 times, or an ipad mini 1.2 times.
• Fast recharge & slim designed: fully charging the battery charger takes only 6-8 hours with a 2a charger, when you are traveling or on a business trip that will be helpful,
• Package:10000mah battery charger x 1, micro usb cable x 1, 1 x user guide & free 18 month warranty.
• Dual charging: this 10000mah battery charger has 2 usb output ports , which can power up to 2 smartphones at once, 5v 2.1a (compatible with cell phones, ipad) and 5v 1a(phones).
• Flashlight for emergencies: 10000mah battery charger built-in flashlight, long press the button for 3 seconds to turn on/off the light, it will be useful when you are in emergencies. press power button to check the battery level whenever you want.

4. 10000mAh Quick Charge QC 3.0 Portable Charger Fast Charging Power Bank Slim Back

• Fast speed charging - bestmars 10000mah power bank equipped with quick charge 3.0 solution, offer one of the highest charging speed in the market for both charging and recharging, it is also 100% back-ward compatible, intelligently detects and charges your devices at its max speed.(iphone xs max xr x 8 7 6 plus, ipad mini/air / 4 3 2, samsung s7 plus, note 5, google nex...
• What you get - bestmars power bank, micro usb cable, protective pouch, user manual, 24 hours friendly customer service & 24 month warranty (note: apple lightning cable, usb-c cable, ac adapter not included, apple devices and usb-c devices need to be charged by your own cable)
• Dual input - built-in micro-usb and apple (ios) input ports, you can recharge the power bank with either the included micro-usb cable or your own apple lightning cable, so only 1 cable is needed for carrying around, very convenient(note: apple charging cable is not included)
• High-capacity - 10000mah capacity power bank with grade a+ li-polymer battery cell inside - enough capacity to provide 4 solid charges to an iphone 6s, or at least 2.5 charges to iphone x, or 1 and a half charges for an ipad mini.
• Safe to use - ultra reliable grade a+ li-polymer cells and premium microchips ensure safety and durability. 10-layer protection system provides surge protection, termperature control and more advanced safeguards to protect both you and your devices

5. Cell Phone Portable Charger TG90 Power Bank 20000mah External Battery Packs, 15W Max

• Universal charging: quick charging on all your usb-a(5v 1a/2.4a) and usb type-c(5v 3a max) compatible devices, you can even charge a usb-c device and usb-a devices simultaneously. also, you can recharge your power bank in the way you want, type-c port or micro usb port.
• Universal compatibility: compatible with all usb-powered devices including iphone x/xr/xs/xs max, iphone 8/8 plus/7/7plus, galaxy s10/s10 plus/ s9/s9 plus / s8/s8 plus /note 9/ note 8/ note 7, google pixel 2, huawei mate 10, nexus 5x, oneplus 2, xperia xz and 2015 macbook via the usb-c port, ipad, tablets, nintendo switch and other smart devices.
• Usb-c power delivery: the built in usb-c 15w (5v, 3a) output port can fast charge your phone with less time. 15w type-c input allows you recharge your power bank in about 8 hours via the usb-c port.
• Huge capacity 20000mah: the ultra-high capacity 20000mah battery bank can charge an iphone 8 about 7 times, samsung galaxy s8 about 4 times, ipad at least 2 times, perfect external battery packs for cell phones.
• What you get: 1 * 20000mah external battery pack, 1 * usb type-c charging cable, worry-free 12-month warranty and friendly & outstanding customer service.

6. Anker PowerCore 10000 Portable Charger, One of The Smallest and Lightest 10000mAh Power

• Certified safe: ankers multiprotect safety system ensures complete protection for you and your devices.
• High-speed charging: ankers exclusive poweriq and voltageboost combine to deliver the fastest possible charge for any device. qualcomm quick charge not supported.
• The anker advantage: join the 50 million+ powered by our leading technology.
• What you get: anker powercore 10000 portable charger, micro usb cable, travel pouch, welcome guide, our worry-free 18-month warranty and friendly customer service. usb-c and lightning cable for iphone / ipad sold separately
• Remarkably compact: one of the smallest and lightest 10,000mah portable chargers. provides almost three-and-a-half iphone 8 charges or two-and-a-half galaxy s8 charges.

7. Luxtude PowerEasy 5000mAh Ultra Slim Portable Phone Charger for iPhone, Apple Certified Power

• Easy to use: better design of built-in apple lightning cable. easier to hand iphone and power bank together, support elegant talking and charging.
• High-speed charging: super quick charging for all iphones. twice as fast as iphone original wall charger with original cable.
• Iphone form factor: being stylish, sleek, ultra-slim, iphone 6/7/8/x size and lightweight, makes it a perfect portable charger for iphone.
• Ideal gift: apple mfi certified lightning cable and ul certified safe li-polymer battery inside, luxury feeling of iphone form factor, make it a fantastic gift for the one you love.
• Luxtude advantage: luxtude group is one of the earliest power bank manufacturers in the world with 10 million+ global users since 2003. over 16-year experience is the guarantee of quality and safety.

8. Never Run Out NRO Battery Case for iPhone 6 6s 7 8

• 2 in 1 charge & protect: charge the battery pack case simultaneously with your iphone using your existing charging cable. protective case prevents damage and daily wear and tear to your iphone. protect your screen from dust and scratches with the tempered glass screen protector
• High capacity battery case: iphone 7 8 6 6s battery case is equipped with a powerful 6000mah rechargeable lithium-polymer battery that increases your phone battery life by 230%. maximize your internet use, talk time, gaming time and audio play back without running out of juice!
• 1 year money-back guarantee: nro is committed to providing the best customer service, which is why we always offer a full refund if you are not 100% satisfied with your purchase no questions asked! dont hesitate to contact us with any issues, we are here to help
• Easy installation & use: please open user manual at the bottom of the page (under 'technical specification'). simply insert your phone from top to bottom and hold down the power button on the back of the case for two seconds, until the lightning symbol shows. smart battery will automatically stop once your phone is fully charged. led light indicator tells you how much...
• Important info: this battery phone case is only for iphone 6/6s/7/8 (4.7) and not for iphone 6 plus/6s plus (5.5). compatible with iphone lightning headphones and traditional 3.5mm headphones. includes tempered glass screen protector, metal ring stand and instruction manual (read before use)

9. Yoobao 20000mAh Power Bank Mobile Phone Charger External Battery Pack Battery Backup Cell

• Smart led digital display - the led digit indicator displays the available power level of battery pack and charging status intelligently. always know before you go.
• Simultaneous charging - twin usb ports allow you to power up to 2 devices at once with a total current output of 3.4a.
• Power for days - the massive 20,000mah capacity provides more than 4 charges for iphone 11, more than 5 charges for iphone xs, almost 5 full charges for samsung galaxy s10, and over 2 and a half charges for ipad mini 5.(it's not lightweight due to 20000mah capacity, please kindly note.)
• Convenient inputs - refill the power bank with either the attached micro-usb cable or your own apple 8-pin cable.
• What you get - yoobao a2 20000mah power bank, micro usb cable (note: usb-c cable and apple cable not included), welcome guide, our worry-free 18-month, and friendly customer support.

10. Portable Charger, BONAI Power Bank 5000mAh, (Ultra-Compact)(Aluminum)(Travel) Slim External Backup

• More convenient: one cable to charge your power bank and iphone. includes a charging cable for input and output. note: you need to use your own 5v/2a or 5v/1a adapter and then connect your 110v or 220v outlet to charge itself
• Ultra-compact: smallest and lightest design more convenient to carry, you can easily slip it in your bag or pocket
• Upgraded charging technology: auto detect your device and deliver its fully-intended charge speed up to 2.1a at most once connected
• High capacity: 5000 mah, output about 3300mah(5000mah*3.7v/5v*90%). enough to provide two charges to an iphone 6s. please be fully charged for the first time
• Built-in safeguards protect your devices against excessive current, overheating, and overcharging