Best power banks to buy under $50: Top picks to consider

A reliable power bank offers a convenient way to keep smartphones, earbuds, tablets and other compatible devices charged without searching for a wall outlet. Fortunately, shoppers do not need to spend a fortune to find a portable charger with useful features and enough capacity for everyday use.

For those looking for an affordable charging solution, Gadinsider has listed below five power banks worth considering for under $50. These options cater to different needs, whether you want to simplify travel, charge several devices or keep a spare battery pack ready for emergencies.

Best power banks under $50

• Best overall: charmast Portable Charger
• Best for everyday charging: Amazon Basics High-Capacity Power Bank
• Best value: Miady 2-Pack Portable Charger
• Best for travel: RONEGN Portable Charger
• Best potential laptop option: TALIX Laptop Power Bank

1. charmast Portable Charger with Built-in Cables

The charmast Portable Charger is a practical option for people who want substantial backup power without carrying a separate collection of charging cables. Its 20,000mAh battery is designed to support multiple smartphone charging sessions, making it suitable for daily commutes, weekend trips and other situations where access to a power outlet may be limited.

Specifications

• Battery capacity: 20,000mAh
• Maximum charging output: 22.5W
• Connectors: Built-in cables and additional output connections
• Special features: Digital display, fast charging, auto shut-off
• Energy capacity: 77Wh
• Best suited for: Smartphones and compatible portable electronics

Performance

The charmast power bank's combination of high capacity and integrated cables makes it a convenient companion for users who frequently travel with several gadgets. 

Its 22.5W fast-charging output can help compatible phones recharge more quickly than with a basic low-wattage charger, although actual speeds depend on the phone, cable and charging protocol.

Pros

1. High 20,000mAh capacity
2. Built-in cables
3. Digital display
4. Fast charging for compatible devices

Cons

1. Larger and heavier than smaller-capacity power banks
2. Built-in cables may be less convenient if cable becomes damaged

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charmast Portable Charger with Built-in Cables — View on Amazon

2. Amazon Basics High-Capacity Portable Charger Power Bank

The Amazon Basics High-Capacity Portable Charger is a straightforward option for people who prefer a conventional power bank with multiple USB outputs. 

Its 20,000mAh capacity provides a substantial reserve for phones and other compatible electronics, while its combination of USB-A and USB-C connections makes it useful for households with different charging requirements.

Specifications

• Battery capacity: 20,000mAh
• Output ports: Two USB-C and one USB-A
• Maximum single-port output: Up to 20W through a compatible USB-C port; up to 12W through USB-A
• Simultaneous charging: Up to three devices
• Included cable: 1-foot USB-C to USB-C charging cable
• Battery indicator: LED indicator lights

Performance

The Amazon Basics power bank offers a simple charging setup for people who want multiple outputs without additional built-in cables. Its two USB-C ports and one USB-A port can accommodate a range of compatible phones, earbuds and other portable devices.

Pros

1. 20,000mAh capacity
2. USB-C and USB-A connectivity
3. Compact rectangular design for its capacity
4. Includes a USB-C charging cable

Cons

1. Combined output is limited when multiple devices are connected

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Amazon Basics High-Capacity Portable Charger Power Bank — View on Amazon

3. Miady 2-Pack Portable Charger

The Miady 2-Pack Portable Charger brings a different approach to affordable backup power by including two separate 10,000mAh power banks. Instead of carrying one large battery pack, users can keep one unit in a backpack and another at home, or share the pair with a family member or travel companion.

Specifications

• Package contents: Two power banks
• Capacity: 10,000mAh per unit
• Combined capacity: 20,000mAh across both units
• Output connections: Two USB-A ports and one USB-C port per unit
• USB-C functionality: Input and output
• Dimensions: 5.5 × 2.6 × 0.6 inches per unit
• Special features: LED indicators, slim design, auto shut-off

Performance

The biggest advantage of the Miady set is flexibility. Each 10,000mAh unit can be carried separately, making it easier to distribute backup power between different bags or users. 

The capacity of each unit should be sufficient for topping up a smartphone during the day, although the number of charges will depend on the device's battery size and charging efficiency.

Pros

1. Includes two separate power banks
2. Convenient for sharing or keeping spare unit
3. Slim design for bags and everyday carry
4. USB-C input and output

Cons

1. Requires carrying two units to access the combined capacity

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Miady 2-Pack Portable Charger — View on Amazon

4. RONEGN Portable Charger with Built-in Cable

The RONEGN Portable Charger is designed for people who want to keep their charging essentials together in one compact accessory. 

It combines a 20,000mAh battery with four built-in cables, covering Lightning, USB-C, Micro-USB and USB-A connections. This makes it suitable for users who carry a mix of newer and older electronics.

Specifications

• Battery capacity: 20,000mAh
• Maximum output: 22.5W through USB-C
• Built-in cables: Lightning, USB-C, Micro-USB and USB-A
• Output configuration: Five outputs
• Recharging options: Three inputs
• Battery indicator: Digital percentage display
• Safety features: Overcharge and short-circuit protection

Performance

The RONEGN's main selling point is convenience. Having four built-in cables means users can charge several types of compatible devices without packing individual leads. Its 20,000mAh capacity is suitable for extended days out, and the digital display makes it easier to monitor the remaining charge.

Pros

1. Four integrated cable types
2. 20,000mAh capacity
3. Digital battery percentage display
4. Up to 22.5W USB-C output

Cons

1. Built-in cable selection may not suit every device

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RONEGN Portable Charger with Built-in Cable — View on Amazon

5. TALIX 20,000mAh Laptop Power Bank

The TALIX 20,000mAh Laptop Power Bank stands out because it is marketed for users who need to charge more than smartphones and smaller accessories. 

Its built-in USB-C cable doubles as a carrying strap, while a separate USB-C port and USB-A port provide additional connections.

Specifications

• Battery capacity: 20,000mAh
• Energy capacity: 73Wh
• Built-in cable: 8.7-inch USB-C cable
• Additional connections: One USB-C port and one USB-A port
• Total output: 190W
• Single-port output: Up to 140W
• Display: Battery percentage, wattage, temperature and charge-time information
• Safety features: Temperature monitoring and overcharge, overcurrent, overvoltage and short-circuit protection
• Best suited for: Potential laptop and multi-device charging

Performance

The TALIX's integrated USB-C cable and detailed display make it an appealing design for people who regularly carry a laptop, phone and wireless earbuds.

Pros

1. 20,000mAh capacity
2. Built-in USB-C cable doubles as a carrying strap
3. Additional USB-C and USB-A connections

Cons

1. Laptop compatibility depends on USB-C Power Delivery support

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TALIX 20,000mAh Laptop Power Bank — View on Amazon