Excellent
20,921 reviews
Voltira UltraSlim
Voltira UltraSlim
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Britain's Favourite Power Bank. The Voltira UltraSlim locks onto your iPhone and keeps you powered up wherever you go.
Its lightweight, pocket sized design delivers effortless, reliable charging on the move.
20k+ Reviews
0.27" Slim
Free UK Shipping
Power in your Pocket
Power in your Pocket
With dimensions of just 4.1″ × 2.55″ × 0.27″ (104 × 65 × 7 mm), the Voltira UltraSlim slips easily into your pocket or bag.
5000 mAh capacity provides enough power to fully recharge any iPhone with ease.
Secure Magentic Connection
Secure Magentic Connection
MagSafe-compatible magnets snap firmly into place for steady, slip-free charging wherever you are.
Designed for all iPhone models 12 and up, ensuring a seamless and reliable hold every time.
Free Fast UK Shipping
Free Fast UK Shipping
Fast, reliable delivery through our trusted partner DPD.
Based outside Manchester, we dispatch quickly so your order arrives without delay.
Say goodbye to cables forever.
Stay Connected on Nights Out
Never miss a call, message, or ride home. The Voltira UltraSlim slips into any pocket without bulk, giving you a reliable boost exactly when you need it.
Designed for effortless use on the move so your night keeps going as long as you do.
Fashionable Functionality
A slim metal design that complements your iPhone, rather than cluttering it. Sleek, modern, and lightweight.
Built to look good while delivering dependable power wherever you go.
Fast Charging When You Need It
Delivering rapid wireless and USB-C power, the Voltira Ultraslim gets your battery climbing quickly the moment you connect.
Perfect for busy days, travel, or last-minute top-ups when every minute counts.
Whats in the box?
Your Voltira UltraSlim power bank, a USB-C charging cable, and a quick-start guide.
Everything you need to power up right away.
Over 100,000 Happy Customers
This battery pack is light and powerful. It magnetically attaches to my phone easily and extends the battery life of my older iPhone so that I can make it through the day. It’s slim and holds a lot of extra charge.
This little charger is great. It's so thin and light, I can just carry it in my pocket.The magnet is very strong. It snaps onto my iPhone perfectly and doesn't fall off.It charges my phone very fast. I don't have to worry about my battery running low anymore.
This portable charger exceeded my expectations! It’s super slim, lightweight, and attaches magnetically to my iPhone perfectly, no slipping or bulky feeling in the pocket. The 5000mAh capcity is more than enough for charging on the go.
This battery pack is light and powerful. It magnetically attaches to my phone easily and extends the battery life of my older iPhone so that I can make it through the day. It’s slim and holds a lot of extra charge.
This little charger is great. It's so thin and light, I can just carry it in my pocket.The magnet is very strong. It snaps onto my iPhone perfectly and doesn't fall off.It charges my phone very fast. I don't have to worry about my battery running low anymore.
This portable charger exceeded my expectations! It’s super slim, lightweight, and attaches magnetically to my iPhone perfectly, no slipping or bulky feeling in the pocket. The 5000mAh capcity is more than enough for charging on the go.
This battery pack is light and powerful. It magnetically attaches to my phone easily and extends the battery life of my older iPhone so that I can make it through the day. It’s slim and holds a lot of extra charge.
This little charger is great. It's so thin and light, I can just carry it in my pocket.The magnet is very strong. It snaps onto my iPhone perfectly and doesn't fall off.It charges my phone very fast. I don't have to worry about my battery running low anymore.
This portable charger exceeded my expectations! It’s super slim, lightweight, and attaches magnetically to my iPhone perfectly, no slipping or bulky feeling in the pocket. The 5000mAh capcity is more than enough for charging on the go.
This battery pack is light and powerful. It magnetically attaches to my phone easily and extends the battery life of my older iPhone so that I can make it through the day. It’s slim and holds a lot of extra charge.
This little charger is great. It's so thin and light, I can just carry it in my pocket.The magnet is very strong. It snaps onto my iPhone perfectly and doesn't fall off.It charges my phone very fast. I don't have to worry about my battery running low anymore.
This portable charger exceeded my expectations! It’s super slim, lightweight, and attaches magnetically to my iPhone perfectly, no slipping or bulky feeling in the pocket. The 5000mAh capcity is more than enough for charging on the go.
This battery pack is light and powerful. It magnetically attaches to my phone easily and extends the battery life of my older iPhone so that I can make it through the day. It’s slim and holds a lot of extra charge.
This little charger is great. It's so thin and light, I can just carry it in my pocket.The magnet is very strong. It snaps onto my iPhone perfectly and doesn't fall off.It charges my phone very fast. I don't have to worry about my battery running low anymore.
This portable charger exceeded my expectations! It’s super slim, lightweight, and attaches magnetically to my iPhone perfectly, no slipping or bulky feeling in the pocket. The 5000mAh capcity is more than enough for charging on the go.
This battery pack is light and powerful. It magnetically attaches to my phone easily and extends the battery life of my older iPhone so that I can make it through the day. It’s slim and holds a lot of extra charge.
This little charger is great. It's so thin and light, I can just carry it in my pocket.The magnet is very strong. It snaps onto my iPhone perfectly and doesn't fall off.It charges my phone very fast. I don't have to worry about my battery running low anymore.
This portable charger exceeded my expectations! It’s super slim, lightweight, and attaches magnetically to my iPhone perfectly, no slipping or bulky feeling in the pocket. The 5000mAh capcity is more than enough for charging on the go.
This battery pack is light and powerful. It magnetically attaches to my phone easily and extends the battery life of my older iPhone so that I can make it through the day. It’s slim and holds a lot of extra charge.
This little charger is great. It's so thin and light, I can just carry it in my pocket.The magnet is very strong. It snaps onto my iPhone perfectly and doesn't fall off.It charges my phone very fast. I don't have to worry about my battery running low anymore.
This portable charger exceeded my expectations! It’s super slim, lightweight, and attaches magnetically to my iPhone perfectly, no slipping or bulky feeling in the pocket. The 5000mAh capcity is more than enough for charging on the go.
This battery pack is light and powerful. It magnetically attaches to my phone easily and extends the battery life of my older iPhone so that I can make it through the day. It’s slim and holds a lot of extra charge.
This little charger is great. It's so thin and light, I can just carry it in my pocket.The magnet is very strong. It snaps onto my iPhone perfectly and doesn't fall off.It charges my phone very fast. I don't have to worry about my battery running low anymore.
This portable charger exceeded my expectations! It’s super slim, lightweight, and attaches magnetically to my iPhone perfectly, no slipping or bulky feeling in the pocket. The 5000mAh capcity is more than enough for charging on the go.
This battery pack is light and powerful. It magnetically attaches to my phone easily and extends the battery life of my older iPhone so that I can make it through the day. It’s slim and holds a lot of extra charge.
This little charger is great. It's so thin and light, I can just carry it in my pocket.The magnet is very strong. It snaps onto my iPhone perfectly and doesn't fall off.It charges my phone very fast. I don't have to worry about my battery running low anymore.
This portable charger exceeded my expectations! It’s super slim, lightweight, and attaches magnetically to my iPhone perfectly, no slipping or bulky feeling in the pocket. The 5000mAh capcity is more than enough for charging on the go.
This battery pack is light and powerful. It magnetically attaches to my phone easily and extends the battery life of my older iPhone so that I can make it through the day. It’s slim and holds a lot of extra charge.
This little charger is great. It's so thin and light, I can just carry it in my pocket.The magnet is very strong. It snaps onto my iPhone perfectly and doesn't fall off.It charges my phone very fast. I don't have to worry about my battery running low anymore.
This portable charger exceeded my expectations! It’s super slim, lightweight, and attaches magnetically to my iPhone perfectly, no slipping or bulky feeling in the pocket. The 5000mAh capcity is more than enough for charging on the go.
I absolutely love this portable charger! It’s super slim and lightweight, so it fits easily in my bag or even a pocket. The magnetic connection is strong and snaps perfectly onto my iPhone. I really like that it also has a USB-C port so I can charge other devices when needed.
I love this portable charger. It’s extremely practical and lightweight, so it doesn’t take up much space in my bag or pocket. The magnetic attachment is strong, and the battery lasts a long time. It charges my phone quickly. Totally worth it!
This portable charger has made my life easier since I use my cell phone a lot and don't have time to charge it. The battery on this charger lasts a long time and is comfortable to use because it's very thin, and it fits the phone very well. It has been very useful.
I absolutely love this portable charger! It’s super slim and lightweight, so it fits easily in my bag or even a pocket. The magnetic connection is strong and snaps perfectly onto my iPhone. I really like that it also has a USB-C port so I can charge other devices when needed.
I love this portable charger. It’s extremely practical and lightweight, so it doesn’t take up much space in my bag or pocket. The magnetic attachment is strong, and the battery lasts a long time. It charges my phone quickly. Totally worth it!
This portable charger has made my life easier since I use my cell phone a lot and don't have time to charge it. The battery on this charger lasts a long time and is comfortable to use because it's very thin, and it fits the phone very well. It has been very useful.
I absolutely love this portable charger! It’s super slim and lightweight, so it fits easily in my bag or even a pocket. The magnetic connection is strong and snaps perfectly onto my iPhone. I really like that it also has a USB-C port so I can charge other devices when needed.
I love this portable charger. It’s extremely practical and lightweight, so it doesn’t take up much space in my bag or pocket. The magnetic attachment is strong, and the battery lasts a long time. It charges my phone quickly. Totally worth it!
This portable charger has made my life easier since I use my cell phone a lot and don't have time to charge it. The battery on this charger lasts a long time and is comfortable to use because it's very thin, and it fits the phone very well. It has been very useful.
I absolutely love this portable charger! It’s super slim and lightweight, so it fits easily in my bag or even a pocket. The magnetic connection is strong and snaps perfectly onto my iPhone. I really like that it also has a USB-C port so I can charge other devices when needed.
I love this portable charger. It’s extremely practical and lightweight, so it doesn’t take up much space in my bag or pocket. The magnetic attachment is strong, and the battery lasts a long time. It charges my phone quickly. Totally worth it!
This portable charger has made my life easier since I use my cell phone a lot and don't have time to charge it. The battery on this charger lasts a long time and is comfortable to use because it's very thin, and it fits the phone very well. It has been very useful.
I absolutely love this portable charger! It’s super slim and lightweight, so it fits easily in my bag or even a pocket. The magnetic connection is strong and snaps perfectly onto my iPhone. I really like that it also has a USB-C port so I can charge other devices when needed.
I love this portable charger. It’s extremely practical and lightweight, so it doesn’t take up much space in my bag or pocket. The magnetic attachment is strong, and the battery lasts a long time. It charges my phone quickly. Totally worth it!
This portable charger has made my life easier since I use my cell phone a lot and don't have time to charge it. The battery on this charger lasts a long time and is comfortable to use because it's very thin, and it fits the phone very well. It has been very useful.
I absolutely love this portable charger! It’s super slim and lightweight, so it fits easily in my bag or even a pocket. The magnetic connection is strong and snaps perfectly onto my iPhone. I really like that it also has a USB-C port so I can charge other devices when needed.
I love this portable charger. It’s extremely practical and lightweight, so it doesn’t take up much space in my bag or pocket. The magnetic attachment is strong, and the battery lasts a long time. It charges my phone quickly. Totally worth it!
This portable charger has made my life easier since I use my cell phone a lot and don't have time to charge it. The battery on this charger lasts a long time and is comfortable to use because it's very thin, and it fits the phone very well. It has been very useful.
I absolutely love this portable charger! It’s super slim and lightweight, so it fits easily in my bag or even a pocket. The magnetic connection is strong and snaps perfectly onto my iPhone. I really like that it also has a USB-C port so I can charge other devices when needed.
I love this portable charger. It’s extremely practical and lightweight, so it doesn’t take up much space in my bag or pocket. The magnetic attachment is strong, and the battery lasts a long time. It charges my phone quickly. Totally worth it!
This portable charger has made my life easier since I use my cell phone a lot and don't have time to charge it. The battery on this charger lasts a long time and is comfortable to use because it's very thin, and it fits the phone very well. It has been very useful.
I absolutely love this portable charger! It’s super slim and lightweight, so it fits easily in my bag or even a pocket. The magnetic connection is strong and snaps perfectly onto my iPhone. I really like that it also has a USB-C port so I can charge other devices when needed.
I love this portable charger. It’s extremely practical and lightweight, so it doesn’t take up much space in my bag or pocket. The magnetic attachment is strong, and the battery lasts a long time. It charges my phone quickly. Totally worth it!
This portable charger has made my life easier since I use my cell phone a lot and don't have time to charge it. The battery on this charger lasts a long time and is comfortable to use because it's very thin, and it fits the phone very well. It has been very useful.
I absolutely love this portable charger! It’s super slim and lightweight, so it fits easily in my bag or even a pocket. The magnetic connection is strong and snaps perfectly onto my iPhone. I really like that it also has a USB-C port so I can charge other devices when needed.
I love this portable charger. It’s extremely practical and lightweight, so it doesn’t take up much space in my bag or pocket. The magnetic attachment is strong, and the battery lasts a long time. It charges my phone quickly. Totally worth it!
This portable charger has made my life easier since I use my cell phone a lot and don't have time to charge it. The battery on this charger lasts a long time and is comfortable to use because it's very thin, and it fits the phone very well. It has been very useful.
I absolutely love this portable charger! It’s super slim and lightweight, so it fits easily in my bag or even a pocket. The magnetic connection is strong and snaps perfectly onto my iPhone. I really like that it also has a USB-C port so I can charge other devices when needed.
I love this portable charger. It’s extremely practical and lightweight, so it doesn’t take up much space in my bag or pocket. The magnetic attachment is strong, and the battery lasts a long time. It charges my phone quickly. Totally worth it!
This portable charger has made my life easier since I use my cell phone a lot and don't have time to charge it. The battery on this charger lasts a long time and is comfortable to use because it's very thin, and it fits the phone very well. It has been very useful.
0.27" THICKNESS
Ultra Slim Design
"I never leave the house without it!"
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0.27" Slim.
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Based in Britain.
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MagSafe Compatible.
