If you need an iPhone 6 case or a newer case , here is an iPhone battery case cover that might interest you:
1- Kilponen, 6000 mAh battery case for iPhone 6 / 6S / 7/8 (4.7 inches)
This rechargeable iPhone 6 case has a power of 6000 mAh. It is only compatible with iPhone 6,7 and 8. It can add up to 280% of battery life to your iPhone . This iPhone battery case weighs 100 g and has a corner and side protection system against shocks and drops.
2- Iposible, 8500 mAh battery case for iPhone 6 Plus / 6S Plus / 7 Plus / 8 Plus (5.5 inches)
This battery case has a power of 8500 mAh. Compatible with the iPhone 06 plus, 7 plus, 8 plus and 6 s plus, it weighs 120 g. Its input is 5V / 1A and its output is 5V / 1A. It protects and improves your iPhone against drops while giving it extra battery life. It is recharged using the lightning charger.
3- Kilponen, iPhone X / Xs 6500 mAh battery case (5.8 inches)
HETP has a power of 6500 mAh. Its input is 5V / mAh as is its output. It provides 180% of battery time. Has a 360 ° anti-scratch protection system. The HEPTP 6500mAh rechargeable case is ultra thin and light. It is practical and easy to store. This is a real back-up battery case for iPhone X.
4- iPosible, 6800 mAh battery case for iPhone XR (6.1 inches)
It has a power of 6800 mAh with a capacity of 120% of recharging the battery of your iPhone XR. The iPosible 6800mAh emergency case has internal chips that protect your phone from overheating, short circuiting and overcharging. Its charging time lasts between 3 and 4 hours.
5- Kilponen, 7800 mAh battery case for iPhone Xs Max (6.5 inches)
Its power is 7800 mAh. This iPhone Xs Max battery backup case charges your phone to 140% of your battery and offers up to 23 hours of talk time, 18 hours of video, 30 hours of web browsing . You also get an extra layer of protection against bumps, scratches and drops. You are therefore guaranteed to have both a protective shell and a battery shell for your Iphone Xs Max.
II- The best Samsung battery cases
1- Galaxy S7 Edge rechargeable battery case 3100 mAh
The power of this Galaxy S7 Edge case is 3100 mAh. Its charging capacity can provide up to 12 hours of battery life for your smartphone’s internal battery . It has 4 LEDs which indicate the percentage of charge. One light represents 25% charge, 2 lights 50%, 3 lights 7%, and 4 lights mean the battery is full.
2- Mbuynow Battery case 5500 mAh Galaxy S8 / S8 Plus
This S8 / S8 Plus emergency battery case has a capacity of 5500 mAh. Its speed and cooldown are fast. It has an LED indicator that indicates the level of autonomy of the shell. Made of high quality silicone, it is easy to install and remove. This Samsung battery case will also provide shock, drop and scratch protection for your S8 / S8 Plus.
3- Fugousell external battery case 4700 mAh Galaxy S9
The rechargeable Galaxy S9 case has a power of 4700 mAh. It is thin, light, resistant and has a good protection system. Equipped with dual charge technology, it allows you to charge your phone and your box at the same time for a total weight of only 55 g. Fugousell S9 case has an LED indicator light that indicates the percentage of battery life remaining.
4- 6000 mAh Samsung Galaxy S9 Plus battery case
With a power of 6000 mAh, this Galaxy S9 Plus battery case provides long battery life for your phone. It is strong and durable. Protects your phone from scratches, bumps and drops. It also protects against short circuits, overheating or overloading. The embedded LED indicators gives you time to load .
5- Charger battery for Samsung Galaxy S10 Qi compatible with wireless charger, 4700 mAh
This QI (fast charge) battery case for Samsung Galaxy S10 offers compatibility with wireless chargers . Equipped with 4700 mAh, it is resistant and durable. It offers a high autonomy to your phone. Has a shock protection system, against drops and scratches. With this battery case, you are connected to your phone for longer. It charges quickly, is durable and can last for years.
6- The 5000 mAh rechargeable battery case for Galaxy S10 Plus
The Galaxy S10 Plus battery case has a power of 5000 mAh all in rubber. the a great capacity and an excellent level of adaptation. It protects your Samsung against drops, scratches, shocks, drops … It is a slim and solid shell model. It has 4 LED lights which indicate the percentage of battery.
7- External battery case for Samsung Galaxy Note 8, 5500 mAh
It has a high capacity of 5500 mAh and a case cover. It is a real heavy and thick backup battery capable of twice recharging your Samsung galaxy Note 8. The external rechargeable case for Samsung Galaxy Note 8 has a UB port which allows it to be recharged using a cord.
8- 7000 mAh rechargeable case for Samsung Galaxy Note 9
The Samsung Galaxy Note 9 battery case has a capacity of 7000 mAh. It has a protection system against short circuits, overloads and malfunctions. With an autonomy of 140% of the internal battery of Note 9, it is certain that you will end the evening there even if you are a fan of video games. It is resistant and charges quickly . The shell is easy to store and has a protection system against shocks, scratches …
III- The best Huawei battery cases
1- Huawei P20 Lite / Nova 3 4700 mAh battery case
With a power of 4700 mAh, this case adds 150% more autonomy to your battery. It is easily transported and has a protection system against drops, scratches and knocks. The Huawei P20 Lite battery case charges quickly. Its lithium-polymer battery will allow you to finish the day if you use your smartphone intensely.
2- 6000 mAh battery case for Huawei P20 / P20 Pro
This Huawei P20 / P20 Pro case has a power of 6000 mAh. It offers a great autonomy to your phone and protects it against scratches, bumps and knocks. Thanks to a perfectly mastered design, it is thin, light and aesthetic in order to integrate perfectly into your smartphone.
3- Huawei Mate 20 lite 5200 mAh rechargeable case
The Huawei Mate 20 Lite battery case has a power of 5200 mAh. It has 4 LED lights that indicate the battery percentage and QI technology for quick charging of your smartphone. With a charge capacity of 140% of your internal battery, this corresponds to 17 hours of autonomy or more. It also has a built-in protection circuit against bumps, scratches, bumps and drops; also prevents overheating, short circuits and malfunctions.
4- Huawei Mate 20 Pro 5000 mAh battery case
The Huawei Mate 20 Pro external battery case has 5000 mAh. It charges quickly and has a protection system against shocks, drops and scratches. Equipped with an integrated circuit system, it prevents short circuits, overloads, malfunctions, even in the most extreme cases.
5- 4700 mAh battery case for Huawei Mate 20
This 4,700 mAh Huawei Mate 20 case provides extra battery life for your phone. It has overload, short circuit and malfunction protection circuit. Equipped with 4 LED lights which indicate the percentage of charge , it recharges quickly and is easily carried in a bag or in a pocket.
6- Case with 5000 mAh battery for Huawei P30 Pro
The power of this Huawei P30 Pro case is 5000 mAh. It offers an additional 140% battery life, charges quickly while offering good strength, which will improve its durability. Its built-in protection circuit prevents short circuit, overload, malfunction. It is also equipped with an anti-shock, anti-scratch and fall protection system.
7- 6500 mAh rechargeable case for Honor 8 X
The Honor 8 X battery case has a power of 6500 mAh. Its additional autonomy which can allow you to travel without problem with your smartphone. You can browse for as long as you want. It has protection against drops, scratches, shocks, blows. Its original design allows it to fit perfectly into the phone, so you can easily take it with you.
8- Rechargeable 7300 mAh case for Honor View 10
With a power of 7300 mAh, this Honor View 10 case offers a lot of extra battery life. It has an LED lamp that indicates the percentage of charge. The 7300 mAh case for Honor View 10 charges quickly. This rechargeable battery has shockproof, anti-scratch and drop protection. It also has an integrated protection circuit against short circuits, malfunctions, etc.
9- 6000 mAh battery case for Honor 10
This Honor 10 rechargeable shell battery offers a capacity of 6000 mAh. It supplies a lot of extra energy to the battery. Equipped with drop, shock and scratch protection, it also has overload, short circuit, malfunction protection circuit even in the most extreme cases. It is an efficient and very resistant battery case.