--- product_id: 44752082 title: "Ultra Silm Battery Case For iPhone 7 Plus, Rechargeable Power Case Built-in Magnet, Shock Proof Protective Backup Case for iPhone 7 Plus [3700mAh]" brand: "nexiss" price: "£38.34" currency: GBP in_stock: true category: "Wireless Phone Accessory" url: https://www.desertcart.co.uk/products/44752082-ultra-silm-battery-case-for-iphone-7-plus-rechargeable-power store_origin: GB region: United Kingdom --- # Ultra Silm Battery Case For iPhone 7 Plus, Rechargeable Power Case Built-in Magnet, Shock Proof Protective Backup Case for iPhone 7 Plus [3700mAh] **Brand:** nexiss **Price:** £38.34 **Availability:** ✅ In Stock ## Quick Answers - **What is this?** Ultra Silm Battery Case For iPhone 7 Plus, Rechargeable Power Case Built-in Magnet, Shock Proof Protective Backup Case for iPhone 7 Plus [3700mAh] by nexiss - **How much does it cost?** £38.34 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/44752082-ultra-silm-battery-case-for-iphone-7-plus-rechargeable-power) ## Best For - nexiss enthusiasts ## Why This Product - Trusted nexiss brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Input Voltage: 5.0V -- 1.2A Output Voltage: 5.0V -- 1A Adaptable For:iPhone 7 Plus Cell Type: Li-polymer Communicate: Sync data with iTunes Product Features - Built-in high-capacity Lithium-polymer battery, the double stand by time for the phone. - Creative design. Enjoy your Phone without removing the battery case. - High class material to protect your Phone, Charging and protecting 2 in 1. - Integrated circuit design, effectively avoid short circuit or overtime charge even under extreme conditions of wrong operating. - With intelligent switch and precise power, to extend the built-in battery life. Operating Guide > When you buy it, the battery need to be charged fully in the first time. > Beware of battery case serious fall, wear, or other effects, if and unusual phenomenon please stop using it immediately. > Do not expose this battery case to moisture or submerge it in liquid, keep battery dry all the time. > Do not place battery case in fire or other excessively hot environment. > Recommend that you use Phone's original data cable to connect the Battery case to avoid incompatibility issues. > Due to high output power, when charging battery case, the surface of battery case will gradually become hot, this is a normal reaction. > Due to the chassis ultra-thin, when using the battery case, please remove the Phone's Protected Case. Back clip removal precautions - Remember not to use the mobile phone, so as not to damage the interface. * From the back of the camera hole out of the corner, and then out of the other corner of the phone will slowly pull out. * Don't pull the phone out exceed the 30°. Thanks for purchasing our product. Hope you have an enjoyable experience. ## Features - 5.5" Special Back Clip Battery for iPhone7Plus : Full end five protection technology, 3700 mAh rechargeable battery for iPhone 7 Plus. Built in Li-Polymer Battery with Magnet-equipped, enjoy magnetic positioning function. - SMART DESIGN: LED Power Indicator tell you what the level of your battery case power is. Slim, lightweight and compact design for portability, make your Phone special style. - EXTRA BATTERY LIFE: 100% extra battery life and guarantee at lease 300 times circle of full power. - PROTECTION: Shockproof TPU case with corner cushion design. Anti-slip, anti-scratch cover with comfortable grip. - QUALITY WARRANTY: it is committed to 100% satisfaction of our customers, any issue with the product, please don't hesitate to contact with us. ## Images ![Ultra Silm Battery Case For iPhone 7 Plus, Rechargeable Power Case Built-in Magnet, Shock Proof Protective Backup Case for iPhone 7 Plus [3700mAh] - Image 1](https://images-na.ssl-images-amazon.com/images/I/41AhFPb8GaL.jpg) ![Ultra Silm Battery Case For iPhone 7 Plus, Rechargeable Power Case Built-in Magnet, Shock Proof Protective Backup Case for iPhone 7 Plus [3700mAh] - Image 2](https://images-na.ssl-images-amazon.com/images/I/41qCp5jShmL.jpg) ![Ultra Silm Battery Case For iPhone 7 Plus, Rechargeable Power Case Built-in Magnet, Shock Proof Protective Backup Case for iPhone 7 Plus [3700mAh] - Image 3](https://images-na.ssl-images-amazon.com/images/I/412wi7kj8KL.jpg) ![Ultra Silm Battery Case For iPhone 7 Plus, Rechargeable Power Case Built-in Magnet, Shock Proof Protective Backup Case for iPhone 7 Plus [3700mAh] - Image 4](https://images-na.ssl-images-amazon.com/images/I/41FUkzSlxPL.jpg) ![Ultra Silm Battery Case For iPhone 7 Plus, Rechargeable Power Case Built-in Magnet, Shock Proof Protective Backup Case for iPhone 7 Plus [3700mAh] - Image 5](https://images-na.ssl-images-amazon.com/images/I/41Osq8lfjSL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/44752082-ultra-silm-battery-case-for-iphone-7-plus-rechargeable-power](https://www.desertcart.co.uk/products/44752082-ultra-silm-battery-case-for-iphone-7-plus-rechargeable-power) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-15*