Best Slim Phone Battery Charger Cases of 2026

The TAURI iPhone 17 Pro Max Case offers military-grade protection with a soft frame and hard back cover, plus corner airbags to guard against drops and bumps, keeping your phone safe. It includes a high-quality tempered glass screen protector that shields your screen from scratches and cracks while maintaining a smooth and sensitive touch experience. The case is slim and lightweight, so it preserves your phone’s original feel and fits comfortably in your hand and pocket. Plus, its clear material resists yellowing and stains, letting you enjoy the natural look of your phone for a long time.

The Mophie Juice Pack Case is designed to keep your iPhone 16 Pro Max powered and protected throughout your day. With its built-in 3,600mAh battery, you can enjoy up to 50% more battery life, perfect for streaming music, watching movies, or staying connected longer. The case is slim and lightweight, offering reliable drop protection up to 6 feet without adding bulk, so it fits easily in your pocket. It also features a magnetic back that lets you securely attach your phone to compatible wallets and mounts for easy access. Plus, with Priority Plus Charging, your iPhone charges first, making sure you always have power when you need it.

The decqle Air Power Bank offers an ultra-slim and lightweight design, making it easy to carry around without adding bulk to your phone. Weighing just 115 grams and about as thick as an iPhone 17 Pro, it fits comfortably in your pocket or bag for all-day use. This power bank is made specifically for iPhone 12 through 17 series with MagSafe cases, ensuring a strong magnetic connection and efficient charging. You can charge wirelessly at 7.5W by simply snapping it onto your phone or use the faster 20W wired charging option to quickly boost your battery. With a 5000mAh high-density battery, you get reliable power in a sleek package that lasts through many charge cycles.

The Alpatronix Battery Case offers a reliable power boost for your iPhone 17 Pro Max, making sure you stay charged wherever you go without carrying a separate power bank. Its smart design lets you charge your phone first while the case charges in the background, saving you time and hassle. You can also remove the case to charge it faster if needed. The case provides strong protection with raised edges and a tough tempered glass shield, helping to prevent damage from drops and daily wear. Plus, it supports wireless charging, so you can power up both your phone and case easily without dealing with extra cables.

The Alpatronix BX14Pro Case is designed to keep your iPhone 14 or 14 Pro powered up with a slim, reliable battery built right into the case. This means you can enjoy extra battery life without adding bulk, perfect for busy days on the go. It offers both wired and wireless charging options, so you can charge your phone easily using your regular cable or a wireless charger, making it convenient whether you're at home or out. The case fully supports all your phone’s features, including Apple Pay and CarPlay, so you don’t lose any functionality. Plus, it protects your device from daily wear with raised edges and a tempered glass screen protector, keeping your phone safe and secure.

The BOPPS iPhone Battery Case offers a powerful 7000mAh charging capacity, letting you fully recharge your iPhone 13 or 14 series in about 2.5 hours. This means you can stay connected longer without hunting for an outlet. It features multiple safety protections to prevent issues like overheating and short circuits, giving you peace of mind while charging. The case is built with high-quality materials and advanced technology, ensuring it lasts through over 1000 charging cycles and maintains a like-new feel. Plus, its slim and lightweight design makes it easy to carry, so you can charge your phone on the go, whether traveling, camping, or during daily use.

The BOPPS Battery Case is designed to extend your iPhone 17 Pro Max's battery life with a powerful 8500mAh capacity, giving you up to 180% more power for calls, music, and videos. Despite its strong battery, the case remains slim and lightweight, making it easy to carry and ideal for travel or work. It offers full 360° protection with a tough outer shell and soft inner lining, guarding your phone against drops and scratches. Using the case is simple: just slide your phone in and press the power button to start charging, with clear LED indicators showing the battery level.

The Mophie Juice Pack Battery Case brings extra power and protection to your iPhone 15 Pro Max. It adds up to 50% more battery life with its 3,000mAh capacity, letting you talk, listen to music, or watch videos longer without worrying about charging. The slim design keeps your phone safe from drops up to 6 feet, so you get solid protection without extra bulk. Plus, the advanced pass-through charging lets your iPhone charge first, then the case, making charging simple and efficient. This case is perfect for anyone who needs reliable power and durable protection on the go.

The BOPPS Invisible Stand Case offers a smart solution for iPhone 13/13 Pro/14/14 Pro users who need extra power and convenience. Its unique foldable stand lets you watch videos hands-free, adjustable from 45° to 100°, and it tucks away neatly when not in use. With a strong 7000mAh battery, you can keep your phone charged all day without removing the case. Plus, it charges your phone first up to 80%, so your device gets priority power. The easy installation and simple one-button operation make it hassle-free to use on the go, with LED indicators showing how much charge is left.

The SNRONEW Battery Case offers a reliable way to keep your Galaxy S22 Ultra or S23 Ultra powered throughout the day. With a 12000mAh capacity, it effectively doubles your phone’s usage time, letting you enjoy more calls, music, and browsing without worrying about the battery. It’s designed with safety in mind, featuring certified high-quality cells that protect your device during charging. The case fits your phone perfectly and supports all its functions, so you can charge or sync data using your original cable. Plus, its ergonomic, one-piece design with soft rubber edges makes it easy and comfortable to hold and install. LED indicators help you monitor the battery level at a glance.