Best Backup Battery For Iphone 11 In April 2025

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It is not an easy task to choose the Best Backup Battery For Iphone 11 if you aren’t a frequent buyer. But don’t worry – we have compiled here the perfect list of Top 10 Best Backup Battery For Iphone 11 for you. Have a look at our list and choose the ones you like the most.

To help you in your search, we have completed this list of the Best Backup Battery For Iphone 11.

Top Rated Best Backup Battery For Iphone 11 Of 2025

Rank	Product Name	Score
1	PD Power Bank RAVPower 15000mAh PD 3.0 USB C Portable Charger 30W Power Buy Now	9.7 Buy Now
2	iWALK Portable Charger 9000mAh Ultra-Compact Power Bank with Built-in Cable, External Battery Pack Buy Now	9.5 Buy Now
3	Alpatronix Battery Case for iPhone 11 Pro Max (6.5 inch), 5000mAh Slim Portable Buy Now	9.1 Buy Now
4	Alpatronix iPhone 11 Battery Case, BX11 5000mAh Slim Portable Protective Extended Charger Cover Buy Now	8.8 Buy Now
5	INIU Power Bank, Ultra-Slim Dual 3A High-Speed Portable Charger, 10000mAh USB C Input Buy Now	8.6 Buy Now
6	Trswyop Battery Case for iPhone 11,Upgrade 6800mAh Portable Charging Case for iPhone 11 Buy Now	8.3 Buy Now
7	Anker Portable Charger PowerCore 20100mAh - Ultra High Capacity Power Bank with 4.8A Buy Now	8.1 Buy Now
8	Anker PowerCore 10000 Portable Charger, One of The Smallest and Lightest 10000mAh Power Buy Now	7.8 Buy Now
9	Portable Charger RAVPower 20000mAh Power Bank USB External Battery Pack Dual iSmart 2.0 Buy Now	7.5 Buy Now
10	Alpatronix iPhone 11 Battery Case, 5000mAh Slim Portable Protective Extended Charger Cover Buy Now	7.2 Buy Now

1. PD Power Bank RAVPower 15000mAh PD 3.0 USB C Portable Charger 30W Power

• Superior safety, wide compatibility: ravpower power bank adopted lg 21700 high-density battery pack support 100% safe charging with advanced over-current , over-discharge, over-voltage and short-circuit protection. fully compatible with almost all usb c and usb a powered devices
• Ravpower advantage: one of the smallest 15000mah 30w pd portable charger on the market, which can be easily inserted into a pocket or bag
• Recharge 2x faster: 18w pd power bank charging input offers recharge speeds up to twice as fast as standard portable chargersultra fast recharge takes less than 4 hours, save 50% recharging time. (wall charger not included)
• Ultra compact but high capacity : sports premium lg 21700 high-density battery pack, 15000mah usb c power bank is small in size(5. 9 x 2 x 1 in/ 9. 9 oz). fully charge your iphone 11 for 3 times, or samsung s10 for 2.8 times, or ipad pro for 1 time. best for all day trips and no worry about out of battery anymore
• Led digital display: this unique usb c portable charger features an excellent led indicator to show the exact percentage of the available power level and charging status intelligently. when the power bank enters the pd fast charge mode, the pd blue light font on the display will show. know before you go!
• 30w total output & fast charging: ravpower pd portable charger with 18w pd 3. 0 usb c port, 12w qc usb a port for simultaneous charging to two devices. 18w power delivery usb c port delivers the fastest possible charge to almost all usb-c devices, take your iphone 11 from 0% to 50% in just 30 minutes

2. iWALK Portable Charger 9000mAh Ultra-Compact Power Bank with Built-in Cable, External Battery Pack

• Super fastthe built-in lightning cable can fast charge your iphone - charging iphone x up to 40% in 30 mins. solve your daily charging need.
• What you getiwalk 9000mah power bank x 1, usb-c cable x 1, welcome guide, friendly customer service.
• Super powerful9000mah add nearly four chargers of iphone 8, two and a half charges to an iphone xs, two charges to samsung galaxy s10.
• Super minione of the smallest and lightest 9000mah portable charger. size of credit card. you can put in your pocket, clutch bag or purse handbag easily.
• Built-in lightning cableperfectly compatible with iphone, just plug the inner lightning cable to charge. no need to carry any extra cables.

3. Alpatronix Battery Case for iPhone 11 Pro Max (6.5 inch), 5000mAh Slim Portable

• True 5000mah battery capacity. dont be fooled by fake battery capacities of 6000mah, 7800mah, or more. most battery cases struggle to give you even a 50% charge, while alpatronixs ul-tested battery case provides you a reliable charge every time. certified lightning chip ensures 100% compatibility with your iphone with ios 13+ and older, apple pay & carplay. *notice*: ...
• What you get: alpatronix battery case, tempered glass screen protector, user manual & 1-year warranty (extended warranty is also available at no extra cost). we're a california-based company, designed in the usa including our friendly customer service.
• Lightning input compatibility: use your original lightning cable that was included with your iphone 11 pro max to charge & sync/transfer data. fully compatible with lightning earpods & headphone accessories. also compatible with apple airpods & bluetooth headphone accessories.
• 360 protection: protects your iphone from every day wear. raised bezels and included tempered glass screen protector offer full front and surface protection.
• Qi wireless & wired charging: charge your iphone and case together without removing the case. you can charge with a wireless charger (not included) for a convenient wireless charging experience.

4. Alpatronix iPhone 11 Battery Case, BX11 5000mAh Slim Portable Protective Extended Charger Cover

• Lightning input compatibility: use your original lightning cable that was included with your iphone 11 to charge & sync/transfer data. fully compatible with lightning earpods & headphone accessories. also compatible with apple airpods & bluetooth headphone accessories.
• True 5000mah battery capacity. dont be fooled by fake battery capacities of 6000mah, 7000mah, or more. most battery cases struggle to give you even a 50% charge, while alpatronixs ul-tested battery case provides you a reliable charge every time. certified lightning chip ensures 100% compatibility with your iphone 11, ios 13+ and older, apple pay & carplay. *notice*: n...
• 360 protection: protects your iphone from every day wear. raised bezels offer front and surface protection.
• Qi wireless & wired charging: charge your iphone and case together without removing the case. you can charge with a wireless charger (not included) for a quick and convenient wireless charging experience.
• What you get: alpatronix battery case, user manual & 1-year warranty (lifetime warranty is also available at no extra cost). we're a california-based company, designed in the usa including our friendly customer service.

5. INIU Power Bank, Ultra-Slim Dual 3A High-Speed Portable Charger, 10000mAh USB C Input

• High-speed charginginius exclusive upower+ technology to intelligently identify your devices and auto-adjust the output up to 3a, let your charging always 1.4x outpace your mates.
• Handy flashlightsimply click the power button twice to turn on/off it. comes in handy for reading camping blackout or emergency.
• Ultra slimthe thinnest 10000mah power bank on the market, easily slips into any of your pockets or bags.
• Cool designsleek exterior feels so great in your hand, unique paw indicator is icing on the cake beyond your expectation.
• Inius confidenceat iniu, we use only the highest-grade materials, so we do have the confidence to provide industry-leading 3 years warranty.
• What you getiniu 10000mah portable charger*1, micro usb cable*1, travel pouch*1, user manual*1, 30 days money back guarantee, iniu industry-leading 3 years warranty and life-time technical support.

6. Trswyop Battery Case for iPhone 11,Upgrade 6800mAh Portable Charging Case for iPhone 11

• Important note :this battery case 6800mah only fit for iphone 11(6.1 inch), not works on iphone 11pro or iphone 11 pro max.not compatible with iphone lightning headphone or traditional 3.5mm headphones.only works with apple airpods or other wireless bluetooth headphone.
• 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!
• Advanced sync-through technology : you can sync your iphone 11 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.
• Long charging life:this rechargeable powerful high capacity 6800mah iphone 11 li-polymer backup charging case can effectively provide 200% +extra battery life for your phone,up to 69 hours music time,19 hours talktime,12 hours web time and 13 viedo time.
• 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).

7. Anker Portable Charger PowerCore 20100mAh - Ultra High Capacity Power Bank with 4.8A

• Ultra-high capacity: weighs as little as a can of soup (12. 5 oz.) yet charges the iphone 8 almost seven times, the galaxy s8 five times or the ipad mini 4 twice.
• What you get: anker power core 20100 portable charger, micro usb cable, travel pouch, welcome guide, our fan-favorite 18-month and friendly customer service. usb-c cable and lightning cable for iphone/ ipad sold separately.
• Certified safe: anker multiprotect safety system and high-quality lg battery cells ensure complete protection for you and your devices.
• High-speed charging: poweriq and voltage boost combine to deliver the fastest possible charge (does not support qualcomm quick charge). recharges itself in 10 hours with a 2 amp charger, phone chargers (generally 1 amp) may take up to 20 hours.
• The anker advantage: join the 20 million+ powered by our leading technology.

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

• High-speed charging: ankers exclusive poweriq and voltageboost combine to deliver the fastest possible charge for any device. qualcomm quick charge not supported.
• 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
• The anker advantage: join the 50 million+ powered by our leading technology.
• 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.
• Certified safe: ankers multiprotect safety system ensures complete protection for you and your devices.

9. Portable Charger RAVPower 20000mAh Power Bank USB External Battery Pack Dual iSmart 2.0

• Thoughtful and detailed design: curved edges offer a better feel and a stylish look, all three ports are located together for convenience and to minimize wire tangling
• 20000mah long lasting power: airplane-friendly high capacity power bank provides 4.5 charges for the iphone 8 plus, 4 charges for the samsung galaxy s8, and 1.6 charges for the ipad air 2. best for all day trips and no worry about out of battery anymore
• Trusted safety and protection: keeps your device safe with voltage surge, over charge/discharge, and high temperature protections. ravpower battery pack provide friendly customer service
• 2x faster recharge speed: save 50% on your recharge time with a full battery in just 9 to 10 hours
• High-speed charging: ravpower portable charger and dual output combine to deliver the fastest possible charge for any device, includes dual ismart ports for optimized charging with up to 5v/2.4a output per port (total 5v/3.4a). qualcomm quick charge not supported.

10. Alpatronix iPhone 11 Battery Case, 5000mAh Slim Portable Protective Extended Charger Cover

• What you get: alpatronix battery case, tempered glass screen protector, user manual & 1-year warranty (lifetime warranty is also available at no extra cost). we're a california-based company, designed in the usa including our friendly customer service.
• Lightning input compatibility: use your original lightning cable that was included with your iphone 11 to charge directly & sync/transfer data. *notice*: not compatible with lightning earpods or headphone accessories. only compatible with apple airpods & bluetooth headphone accessories.
• True 5000mah battery capacity. dont be fooled by fake battery capacities of 6000mah, 7000mah, or more. most battery cases struggle to give you a 100% charge, while alpatronixs ul-tested battery case provides you a reliable charge every time. certified lightning chip ensures 100% compatibility with your iphone with ios 13+ and older, apple pay & carplay. *notice*: not ...
• 360 protection: protects your iphone from every day wear. raised bezels and included tempered glass screen protector offer full front and surface protection.
• Qi wireless & wired charging: charge your iphone and case together without removing the case. you can charge with a wireless charger (not included) for a quick and convenient wireless charging experience.