15 Amazing USB Backup Battery For 2024

The Portable Charger 38800mAh is a high-capacity power bank that ensures your devices stay powered throughout the day. With its 38800mAh cell capacity, it provides ample charge for smartphones and other USB devices. The power bank features 4 USB output ports and dual input, allowing you to recharge multiple devices simultaneously. The LED digital display keeps you informed about the charge status, while the built-in intelligent chip protects your devices from overcharging, over-discharge, and short circuits. The package includes the power bank, micro cable, and comes with a three-year warranty and lifetime technical support. Please note that a USB-C cable is not included.

The Portable Charger 38800mAh is a reliable and powerful power bank that ensures your devices stay charged on the go. It offers a high cell capacity, multiple USB ports, and device protection features. Although it has a long charging time and lacks a micro USB charging cord, its overall performance and capacity make it a great option for those who need a portable charger for extended use. With its LED display and intelligent chip, you can easily track your charge status and keep your devices safe. Whether you’re camping, traveling, or just need an extra boost of power, this power bank is a reliable companion.

The CyberPower ST625U Standby UPS System is a compact black device designed to safeguard your home office and entertainment needs. With 625VA/360W of power, it provides battery backup and surge protection to computers, gaming consoles, and broadband routers. This UPS system features 8 outlets, 4 of which are battery backup and surge protected, and 2 USB charging ports. Its GreenPower UPS high-efficiency design reduces power consumption, and it comes with a 3-year warranty, including the battery. With its compact size and efficient performance, the CyberPower ST625U is a reliable choice for protecting your devices.

The CyberPower ST625U Standby UPS System is a reliable and efficient choice for protecting your home office and entertainment devices. With its compact design and 8 outlets, it offers battery backup and surge protection to multiple devices. The GreenPower UPS high-efficiency design ensures efficient power consumption, while the 3-year warranty provides peace of mind. Although it lacks a USB connection for automatic computer shutdown and has a limited full-load runtime, the CyberPower ST625U delivers on its promise of safeguarding your devices. Whether you’re working, gaming, or simply enjoying entertainment, this UPS system is a valuable addition to your setup.

The CyberPower EC850LCD Ecologic Battery Backup & Surge Protector UPS System is designed to safeguard workstations, networking devices, and home entertainment equipment. With 850VA/510W power capacity, it offers both battery backup and surge protection, ensuring uninterrupted operation and protection against power surges. The UPS features a multifunction LCD panel that displays immediate, detailed information on battery and power conditions. Its ECO Mode automatically reduces power usage and lowers energy costs by turning off power to computer peripherals when the UPS detects the computer is off or in sleep mode. The unit comes with a 3-year warranty, including the battery, and a $100,000 Connected Equipment Guarantee. Overall, the CyberPower EC850LCD is a reliable uninterruptible power supply with valuable features for home and office use.

The CyberPower EC850LCD Ecologic Battery Backup & Surge Protector UPS System is a solid choice for safeguarding your valuable electronic devices. With its battery backup and surge protection capabilities, it ensures uninterrupted operation and protection against power surges. The ECO Mode reduces power usage and energy costs, while the multifunction LCD panel provides detailed information on power conditions. Although the battery may need to be replaced every two years and some users find the tone during longer outages annoying, the overall performance and features of this UPS system are commendable. With a 3-year warranty and $100,000 Connected Equipment Guarantee, it offers peace of mind. Whether for workstations, networking devices, or home entertainment equipment, the CyberPower EC850LCD is a reliable and efficient solution.

The Power-Bank-Portable-Charger-Solar is a 36800mAh waterproof and portable external backup battery charger designed to keep all your devices powered up. With its built-in high-density lithium polymer batteries, it provides a larger capacity in a compact size. The solar charging feature ensures environmentally friendly charging options. The dual USB output with QC3.0 fast charging can quickly charge two devices at the same time. It also features two bright flashlights with 100 hours of battery life, perfect for outdoor adventures. The smart chip technology intelligently identifies most electronic products on the market and delivers stable current to protect your devices. Made with high-strength engineering ABS material, it is flame-retardant, anti-drop, and waterproof. Overall, the Power-Bank-Portable-Charger-Solar is a reliable and versatile portable charger for all your power needs.

The Power-Bank-Portable-Charger-Solar is a reliable and versatile portable charger with a larger capacity. It provides fast charging for multiple devices, long-lasting flashlight battery life, and intelligent compatibility with most electronic products. The durable and waterproof design ensures its functionality in various outdoor activities. However, the solar charging ability may not be as effective as expected, and it may have compatibility issues with certain USB cables. The tiny compass on the back is not very accurate and prone to scratching. Overall, if you’re looking for a portable charger with ample capacity and reliable performance, the Power-Bank-Portable-Charger-Solar is a great option.

Never run out of power with the KaruSale 4 USB 50000mAh Power Bank. This external backup battery charger is designed to keep all your devices charged on-the-go. With its compact and lightweight design, you can take it anywhere and never miss an important call or message again. The power bank features rapid charging technology and an advanced intelligent protection chip, ensuring safe and fast charging for your devices. It has a high capacity battery, allowing you to charge up to 4 devices multiple times. The KaruSale Power Bank also comes with a risk-free guarantee, offering a full refund or replacement if you’re not satisfied with your purchase. Stay powered up with this reliable and travel-friendly charging solution.

The KaruSale 4 USB 50000mAh Power Bank is a reliable and travel-friendly charging solution. It keeps your devices powered up on-the-go, with its compact and lightweight design. The fast charging technology and intelligent protection chip ensure safe and efficient charging. The high capacity battery allows for multiple charges of your devices. While there are some drawbacks like a long charging time and a lack of Type C input, the overall performance and satisfaction from customers are positive. The risk-free guarantee adds an extra layer of confidence in the product. If you’re looking for a power bank to keep you connected during travels, the KaruSale 4 USB Power Bank is worth considering.

The Attom Tech Dual USB Output Super Slim Power Bank is a compact and lightweight portable charger that is perfect for everyday use. It has a pocket-sized design and weighs only 2.2 oz, making it easy to carry around. With dual USB outputs, it can fast charge two devices simultaneously. The power bank has a 3000mAh capacity, providing extended battery life for most phones. It also features intelligent safety protection to prevent over-charging, over-current, and short circuit. The device is certified by FCC, CE, CCC, and RoHS, ensuring safe and stable charging. It comes with a 1-year warranty and a 100% money-back guarantee.

The Attom Tech Dual USB Output Super Slim Power Bank is a convenient and reliable portable charger for everyday use. Despite having a lower capacity than claimed, it still provides extended battery life for most phones. The compact and lightweight design makes it easy to carry around, and the dual USB outputs enable fast charging of two devices simultaneously. The intelligent safety protection ensures stable and secure charging. With a 1-year warranty and a 100% money-back guarantee, it offers peace of mind to users. Overall, it is a great option for those looking for a small, yet powerful power bank.

The Power Bank Fast Charging PD 3.0 18W Quick Charge Portable Charger 10000mAh is a high-capacity power bank that offers fast charging for various devices. With its PD 3.0 and Quick Charge 3.0 chipset, it provides one of the highest charging speeds in the market. The power bank comes with dual input and output ports, including a USB-C port with bidirectional capabilities. It also features a slim design, making it easy to carry around. The Grade A+ li-polymer battery cell inside ensures reliable performance, and the 10-layer protection system offers safety and durability. Additional accessories included are a charging cable for iPhone, a protective pouch, and a user manual. Overall, it is a convenient and reliable power bank for on-the-go charging needs.

The Power Bank Fast Charging PD 3.0 18W Quick Charge Portable Charger 10000mAh is an excellent choice for those in need of a high-capacity power bank with fast charging capabilities. Its slim design and dual input/output ports make it versatile and convenient for charging multiple devices simultaneously. While some users found the instructions lacking and the weight slightly inconvenient for long trips, the overall performance and reliability of this power bank outweigh these minor drawbacks. With its fast charging speeds and safe operation, it is a valuable accessory for those who rely on their mobile devices throughout the day. Whether you’re a frequent traveler or a college student, this power bank is sure to keep your devices powered up on the go.

The Portable Charger 36800mAh is a high-capacity power bank that ensures your phone stays charged throughout the day. With three USB outputs and dual inputs, you can charge multiple devices simultaneously. The intelligent controlling IC provides safety features to protect against overcharging and overheating. Compatible with various devices, this portable charger also has smart LED indicators to show the remaining power. It comes with a micro USB cable, user manual, and a 3-year warranty for added convenience and peace of mind. The charger is black in color and has compact dimensions of 6.1 x 3.1 x 0.87 inches. Customers have given it a rating of 4.4 out of 5.

The Portable Charger 36800mAh is a reliable and high-capacity power bank that provides a convenient solution for keeping your devices charged on the go. With its ability to charge multiple devices simultaneously and its intelligent safety features, it offers peace of mind and convenience. The smart LED indicators and universal compatibility make it user-friendly, although some users may find the blue LED lights annoying. The charger’s compact size and included warranty further enhance its appeal. However, the USB-C input limitation and lack of USB-C output may be a downside for some users. Overall, the Portable Charger 36800mAh provides a reliable and efficient charging solution for smartphones and smaller devices.

The Portable Charger Power Bank 26800mah is a highly reliable external battery pack that offers ultra-high capacity. With a massive 26800mAh capacity, it can charge most phones over 6 times and tablets at least 2 times. It is universally compatible with iPhone, all Android smartphones, tablets, mp3/mp4 players, and other USB-charged devices. The power bank features 2 USB output ports, allowing you to charge two devices simultaneously. It also comes with built-in intelligent controlling IC for superior safety, protecting the power bank against overcurrent and short circuit. The power bank can be fully recharged in 8-16 hours and features 4 LED indicators to show the remaining power. The package includes the power bank, a micro USB cable, a user manual, and offers extended after-sale technical support and a 45-day full refund guarantee. With a customer rating of 4.4/5, this portable charger power bank is a reliable and convenient solution for on-the-go charging.

The Portable Charger Power Bank 26800mah offers exceptional charging capacity and versatility. With its massive 26800mAh battery, it can provide multiple charges to smartphones, tablets, and other USB devices. The ability to charge two devices simultaneously is a convenient feature, especially for those who are always on the go. The built-in safety features and certifications provide peace of mind, ensuring the device and your equipment are protected. While the power bank may be slightly heavier than expected, it makes up for it with its reliable performance. The longer charging time and lack of specificity in compatible devices are minor drawbacks but do not significantly affect the overall functionality of the product. Overall, this portable charger power bank is a reliable and efficient solution for keeping your devices powered up during your busy day-to-day activities.

The ERRBBIC Solar Charger 20000mAh Portable Solar Power Bank is an ideal choice for those in need of a reliable and portable charging solution. This power bank can be recharged via a power outlet or sunlight, making it perfect for outdoor activities and emergency situations. With dual USB chargers, it allows you to charge two devices simultaneously and is compatible with all cellphones and electronic equipment. The sturdy and compact design ensures durability and ease of use, while the built-in LED flashlights provide additional functionality. Despite some concerns about water intrusion and the solar charging efficiency, the ERRBBIC Solar Charger has received positive reviews for its performance and affordability.

The ERRBBIC Solar Charger 20000mAh Portable Solar Power Bank is a reliable and portable charging solution that offers convenience and durability. With its dual USB chargers, compact size, and built-in LED flashlights, it is a versatile option for outdoor enthusiasts. However, there have been some concerns about water intrusion and the efficiency of solar charging. Despite these issues, the power bank has received positive reviews for its performance and affordability. Whether you need a reliable backup power source or a charging solution for your outdoor adventures, the ERRBBIC Solar Charger is worth considering.

The Mini UPS Battery Backup is a compact and versatile power supply that ensures uninterrupted power for your router, modem, security camera, and other devices during power outages. It can also be used as a normal power bank with its built-in 10000mAh battery. The UPS has two ways of input – 12V DC with an adapter for faster charging or 5V USB for slower charging. It features multiple smart protections, including short circuit protection, overcharge protection, and temperature protection, making it safe to use. With its small size and various output options, this mini UPS is a convenient solution for keeping your devices powered up even during power disruptions.

The Mini UPS Battery Backup is a reliable solution for ensuring uninterrupted power to your essential devices. Its compact size and multiple input/output options make it versatile and convenient. The built-in battery provides a decent power capacity, although some users have reported lower than expected performance. Regardless, the UPS offers a range of smart protection features for safe usage. With positive customer ratings and reviews, this mini UPS is a valuable addition for anyone who wants to keep their devices powered up during power outages. Whether it’s for your router, modem, security camera, or other devices, this UPS has got you covered.

The TG90° Cell Phone External Battery Pack is a portable charger with built-in lightning cable, USB-C, and micro-USB cable. It is compatible with iPhone and Android phones, making it a versatile power bank. With a high speed 5V 2.1A max output, it allows for simultaneous charging of multiple devices. The compact design and powerful 10000mAh capacity make it perfect for traveling. It features intelligent safety protection with multi-protect system microchips to prevent overcharging, over-discharging, over-voltage, over-current, and short circuit. The package includes the portable charger and a USB charging cable. With a rating of 4.2/5 based on customer reviews, this power bank provides reliable backup charging for your mobile devices.

The TG90° Cell Phone External Battery Pack is a reliable and versatile power bank that offers convenience and peace of mind. With its built-in lightning cable, USB-C, and micro-USB cable, you can easily charge your iPhone and Android phones without the need for extra cords. The high-speed charging and compact design make it perfect for on-the-go use. While there may be occasional issues with LED lights and charging stability, the intelligent safety protection system ensures the safety of your devices. Overall, this power bank provides a handy backup for your mobile devices and is backed by excellent customer service. If you’re looking for a reliable and multifunctional power bank, the TG90° Cell Phone External Battery Pack is a great choice.

The Attom Tech Triple USB Outputs Super Slim Power Bank is a compact and lightweight portable charger that offers fast charging for up to three devices simultaneously. With a slim design and pocket-friendly size, it’s perfect for everyday use and can easily fit into your pocket. The power bank provides fast charging with a maximum output of 2.1A, ensuring your devices are charged quickly. It has a 5000mAh capacity, which can extend your battery life by up to 200%. The power bank is equipped with intelligent control circuitry to protect your devices from overcharging, over-current, over-voltage, and short circuit. It is also certified by FCC, CE, CCC, Rohs for added safety. With a one-year warranty and 100% money-back guarantee, it offers peace of mind. Despite some minor drawbacks, such as the tightness of the USB port and the use of micro USB for charging, the Attom Tech Power Bank is highly rated by customers and offers a reliable and efficient charging solution for your mobile devices.

The Attom Tech Triple USB Outputs Super Slim Power Bank is an excellent choice for those looking for a compact and efficient portable charger. With its slim design and lightweight construction, it is highly portable and can easily fit into your pocket. The fast charging capability and extended battery life make it a reliable power backup solution for your mobile devices. Despite some minor flaws, such as the tightness of the USB port and the use of micro USB for charging, the Attom Tech Power Bank offers great value for the price. Overall, it is a highly recommended product for anyone in need of a reliable and portable power bank.

The myCharge Portable Charger Waterproof Power Bank Adventure is a rugged and durable power bank designed for outdoor use. With a 6700mAh internal battery and 2.4A shared output power, it can provide up to 4x extra battery life for your devices. Its waterproof, drop-resistant, and dirt-proof design makes it perfect for camping, hiking, or any other outdoor activities. The built-in carabiner allows you to attach it to your backpack or belt for easy access. The small and compact design makes it convenient to carry in a bag or pocket. Compatible with Apple iPhones, iPads, Android devices, Bluetooth speakers, and wireless headphones. Overall, it is a reliable and efficient power bank for all your outdoor adventures.

The myCharge Portable Charger Waterproof Power Bank Adventure is a reliable and efficient power bank for outdoor enthusiasts. Its rugged and durable design ensures it can withstand extreme conditions, while its small and compact size allows for easy portability. The built-in carabiner is a convenient feature for attaching it to bags or belts, ensuring it’s always within reach. Although it may have some drawbacks such as slow charging speed and a loose USB port in some cases, overall it provides reliable power and is a great companion for any adventure. With a score of 8 out of 10, this power bank is a recommended choice for those seeking a durable and compact charging solution for their devices.

The Attom Tech Dual USB Output Super Slim Power Bank is a compact and lightweight portable charger that is perfect for everyday use. With a pocket-size design, it easily fits in your pocket and can be taken anywhere. It features dual USB outputs, allowing you to fast charge two devices simultaneously. The 3000mAh battery provides 150% extended battery life, ensuring you don’t have to worry about running out of power throughout the day. The power bank also comes with intelligent safety features that protect your devices from overcharging, over-current, and short-circuit. It is certified by FCC, CE, CCC, and RoHS, ensuring its reliability and safety. With a 1-year warranty and 100% Money Back Guarantee, the Attom Tech Dual USB Output Super Slim Power Bank is a reliable and convenient power backup solution.

The Attom Tech Dual USB Output Super Slim Power Bank is an excellent choice for those looking for a compact and reliable portable charger. It offers fast charging for two devices at the same time, provides a significant boost to battery life, and ensures the safety of your devices. The power bank’s small size and lightweight construction make it incredibly convenient for everyday use. While it may not have the highest charging capacity, it more than makes up for it with its portability and intelligent features. With a 1-year warranty and money-back guarantee, you can trust its quality and performance. Overall, the Attom Tech Power Bank is a reliable and efficient power backup solution.