Top 15 Power Banks for Laptops & Smartphones in 2025 – Ultimate Buying Guide
In today’s fast-paced digital era, staying connected is essential. Whether you are a remote worker, student, or traveler, having a reliable power bank for laptops and smartphones ensures your devices never run out of battery when you need them most. With rapid advancements in charging technology in 2025, power banks now feature ultra-fast charging, higher capacity, and compact designs.
Why You Need a Power Bank for Laptops and Smartphones
- Uninterrupted Productivity: Charge your laptop and smartphone anywhere, anytime.
- Fast Charging Support: New power banks support Power Delivery (PD) up to 140W.
- Multi-Device Charging: Ability to charge multiple devices simultaneously.
- Compact and Portable: Designed to be travel-friendly without compromising capacity.
- Safety Features: Overcharge, overheat, and short circuit protection.
Key Factors to Consider When Choosing a Power Bank
- Battery Capacity (mAh): At least 20,000 mAh recommended for laptops.
- Output Power: Look for PD 60W to 140W to efficiently charge laptops.
- Number and Types of Ports: Multiple USB-C and USB-A ports for versatility.
- Build Quality: Durable materials like aluminum housing improve longevity.
- Weight and Size: Balance between capacity and portability.
- Brand and Warranty: Prefer reputable brands with at least 1-year warranty.
Top 15 Power Banks for Laptops and Smartphones in 2025
1. Anker 737 Power Bank (PowerCore 24K)
The Anker 737 Power Bank offers a massive 24,000 mAh capacity with ultra-fast 140W Power Delivery output. It comes equipped with two USB-C ports and one USB-A port, making it perfect for charging multiple devices including MacBook Pro, Dell XPS, and high-end smartphones.
- Capacity: 24,000 mAh
- Output Power: 140W (PD)
- Ports: 2× USB-C, 1× USB-A
- Weight: 580 grams
- Price Range: $$$
Pros: Exceptional charging speed, multiple ports, solid build quality.
Cons: Slightly heavy for pocket carry, premium price.
2. Baseus Blade 100W Power Bank
Designed with a sleek ultra-thin form factor, the Baseus Blade delivers 20,000 mAh capacity and 100W output, perfect for MacBooks and other laptops with USB-C charging.
- Capacity: 20,000 mAh
- Output Power: 100W (PD)
- Ports: 2× USB-C
- Weight: 400 grams
- Price Range: $$
Pros: Lightweight, fast charging, elegant design.
Cons: Limited USB-A ports.
3. Shargeek Storm2 Slim
The Storm2 Slim from Shargeek features a transparent design with an LCD screen displaying the remaining power. It supports 100W PD output, making it a great choice for tech-savvy users who want both style and functionality.
- Capacity: 20,000 mAh
- Output Power: 100W (PD)
- Ports: USB-C and USB-A
- Weight: 430 grams
- Price Range: $$
Pros: Stylish design, LCD power display, versatile ports.
Cons: Pricier than some competitors.
4. OmniCharge Omni Ultimate+
This powerhouse features a huge 38,400 mAh capacity with multiple DC, AC, and USB ports. Ideal for photographers, videographers, and travelers needing versatile charging options.
- Capacity: 38,400 mAh
- Output Power: Multiple outputs up to 100W+
- Ports: USB-C, USB-A, AC outlet, DC ports
- Weight: 1.1 kg
- Price Range: $$$$
Pros: Extreme versatility, AC outlet, large capacity.
Cons: Heavy, expensive.
5. Xiaomi 20,000 mAh PD 3.0 Power Bank
A budget-friendly option from Xiaomi with 20,000 mAh capacity and PD 3.0 fast charging for laptops and smartphones.
- Capacity: 20,000 mAh
- Output Power: 45W (PD)
- Ports: USB-C and USB-A
- Weight: 350 grams
- Price Range: $
Pros: Affordable, lightweight, reliable brand.
Cons: Lower wattage, slower charging for larger laptops.
Comparison Table of Top Power Banks
| Model | Capacity (mAh) | Max Output (W) | Ports | Best For | Price Range |
|---|---|---|---|---|---|
| Anker 737 Power Bank | 24,000 | 140W | 2× USB-C, 1× USB-A | High-end laptops, smartphones | $$$ |
| Baseus Blade 100W | 20,000 | 100W | 2× USB-C | MacBooks, portable devices | $$ |
| Shargeek Storm2 Slim | 20,000 | 100W | USB-C, USB-A | Tech enthusiasts | $$ |
| OmniCharge Omni Ultimate+ | 38,400 | 100W+ | USB-C, USB-A, AC, DC | Photographers, travelers | $$$$ |
| Xiaomi 20,000 mAh PD 3.0 | 20,000 | 45W | USB-C, USB-A | Budget users | $ |
Maintenance Tips for Your Power Bank
- Charge the power bank every 2-3 months if not used regularly to maintain battery health.
- Store in a cool, dry place away from direct sunlight or heat sources.
- Use original or certified cables to prevent damage.
- Do not expose the power bank to water or moisture.
Frequently Asked Questions (FAQ)
Q1: Can I charge a gaming laptop with a power bank?
A: Yes, provided the power bank supports Power Delivery (PD) with at least 60W-100W output. Check your laptop’s charging requirements before buying.
Q2: How long does a power bank last?
A: Typically, power banks have a lifespan of 3-5 years depending on usage and care.
Q3: Is it safe to leave a power bank charging overnight?
A: Most modern power banks have overcharge protection, but it is recommended to unplug after full charge to prolong battery life.
Q4: How many times can a 20,000 mAh power bank charge a smartphone?
A: It depends on your smartphone’s battery capacity, but on average, it can fully charge a smartphone with 4,000 mAh battery about 4-5 times.
Conclusion
Choosing the right power bank for laptops and smartphones in 2025 depends on your usage, budget, and device requirements. For ultimate performance and fast charging, the Anker 737 Power Bank is a top contender. For budget-conscious users, Xiaomi’s 20,000 mAh PD power bank offers reliable charging at a great price. Always consider capacity, output power, and portability when making your decision.
