Best Power Banks for Laptop Charging in 2025

Can Power Banks Charge Laptops?

Yes, but not all power banks work with all laptops. A power bank must meet specific power delivery requirements to charge a laptop efficiently. Most compact power banks (5000-20000mAh) are too weak; you need 60W+ USB Power Delivery.

Laptop Power Requirements

Different laptops need different wattage to charge while in use.

MacBook Charging

MacBook Air (13" M1-M3): - Idle charging: 25W minimum - Charging while in use: 45W+ recommended - Max power: 65W (official charger) - A 45W power bank charges slowly; 65W+ is ideal

MacBook Air (14" and 16" M2-M4): - Idle: 35W minimum - In-use charging: 65W+ required - Official charger: 90W - A 100W power bank charges even while using heavy apps

MacBook Pro (13" M4): - Idle: 45W - In-use: 75W+ needed - Official: 100W - A 100W power bank provides core functionality

MacBook Pro (14"-16" M2-M4): - Idle: 65W - In-use: 100-140W needed - Official: 140W (16"), 85W (14") - A 100W power bank provides partial charging only

Windows Laptop Requirements

Dell XPS 13: - Charging: 45W USB PD - A 65W power bank is ideal

ThinkPad X1 Carbon: - Charging: 65W USB PD - A 100W power bank handles it easily

HP Spectre x360 (13"): - Charging: 45-65W USB PD - A 65W power bank works

Asus ZenBook 14: - Charging: 65W USB PD - A 100W power bank recommended

HP Pavilion 15: - Charging: 65W+ USB PD - 100W power bank ideal

Lenovo ThinkPad T14: - Charging: 65W+ USB PD - 100W power bank recommended

Most modern laptops under 15" use 65W USB PD. Larger laptops and gaming laptops use 100W+.

Power Bank Output Requirements

For 13" MacBook Air Charging

Minimum: 45W USB PD Recommended: 65W USB PD Optimal: 100W USB PD (allows multi-device charging)

For MacBook Pro Charging

14" M1-M3: 65W minimum 14" M4: 85W minimum 16": 140W needed (most power banks can't provide)

For Windows Laptops 15"

Ultrabooks (XPS, Spectre, ZenBook): 65W sufficient Standard laptops: 65-100W Gaming laptops: 100W+

Best Power Banks for Laptop Charging

Budget Option: Baseus Blade 100W ($59)

Pros: - 100W USB PD output - Three ports (2 USB-C, 1 USB-A) - 20000mAh capacity - Compact design - Under $60

Cons: - No pass-through charging (can't charge the power bank while using it) - No display showing status

Best for: Dell XPS 13, MacBook Air 13", Asus ZenBook

Real-world use: Charges MacBook Air 13" in 45 minutes (from 0-50%), then provides 3-4 additional phone charges.

Best Value: Anker 737 PowerCore 24K ($89)

Pros: - 140W total output - 24000mAh capacity - Three fast charging ports - 4.6-star rating - Reliable Anker brand

Cons: - Larger and heavier than Baseus - No display

Best for: MacBook Air 14", ThinkPad X1, multi-device travelers

Real-world use: Charges 13" MacBook Air while simultaneously charging phone and tablet. Provides 4-5 full phone charges after laptop use.

Premium Pick: Anker Prime 20000 ($99)

Pros: - 200W total output (65W per USB-C port) - 20000mAh capacity - True simultaneous charging - Compact for the power - LED display showing capacity - Pass-through charging

Cons: - Slightly premium price - Heavier than smaller alternatives

Best for: Power users, multiple laptops, frequent travelers

Real-world use: Simultaneously charges MacBook Air and iPad Pro without power loss. Laptop charges at full 65W speed while providing supplemental power to other devices.

Largest Capacity: Zendure SuperTank Pro ($149)

Pros: - 26800mAh capacity - 100W USB PD output - OLED display showing real-time stats - Premium build quality - Pass-through charging - Three ports

Cons: - Largest and heaviest in this list (15.2 oz) - Higher price point

Best for: Road warriors, extended travel, professionals with multiple devices

Real-world use: Charges MacBook Air from 0-100% twice, plus 5 full phone charges. OLED display shows exact remaining capacity and charging speed.

Portable Power Station: EcoFlow River 2 ($199)

Pros: - 256Wh capacity (69120mAh equivalent) - 300W output - AC outlet for any laptop - Multiple charging ports - Solar panel compatible - Can power larger devices

Cons: - Not airline-approved (256Wh exceeds 100Wh limit) - Heavy (57.3 oz / 3.6 lbs) - Overkill for casual travel

Best for: Outdoor expeditions, remote work, camping, emergency power

Real-world use: Charges MacBook Pro 14" from 0-100% once, plus phone 8+ times, plus AC devices. Runs a camping light for 3 days.

Comparing Laptop Charging Scenarios

Scenario 1: 13" MacBook Air on a Commute (4 hours)

Power needed: 45W for 2 hours = 90Wh

Best choice: Baseus Blade 100W ($59) - Charges laptop from 0-50% (30 min) before you arrive - Phone fully charged during commute - Extra capacity for evening use

Scenario 2: Cross-Country Flight (6 hours) + Next Day (10 hours)

Power needed: 65W for MacBook (120Wh), plus 20Wh for phone charging multiple times

Best choice: Anker Prime 20000 ($99) - Charges laptop during flight - Charges phone 5+ times after - Lightweight and TSA-approved - 200W handles multiple devices

Scenario 3: Weekend Work Trip with Multiple Devices

Power needed: Laptop (120Wh) + tablet (30Wh) + phone (20Wh total) = 170Wh

Best choice: Zendure SuperTank Pro ($149) - 26800mAh provides 99Wh usable capacity - Charges MacBook + phone simultaneously - OLED display shows exact status - Premium reliability

Scenario 4: Multi-Day Outdoor Work (3+ days)

Power needed: 200+ Wh

Best choice: EcoFlow River 2 ($199) - 256Wh capacity - AC outlet for any charging cable - Solar charging option - Only option that works for extended trips

Cable Requirements

Most modern laptops use USB-C Power Delivery. Your power bank's cables matter:

Quality cable specifications: - USB-C to USB-C rated for 60W+ (look for E-marker certified cables) - Braided nylon (prevents fraying) - At least 6.5 feet for desk use

Popular recommendations: - Anker PowerLine III cables (20W rated minimum) - Nylon USB-C cables from Amazon Basics - Original Apple USB-C cables (if you have spare)

Cheap cables limit charging speed. A 100W power bank with a 20W cable only delivers 20W.

Power Bank Misconceptions

"I should get the highest capacity" - Wrong. Capacity only matters if you travel 3+ days. For daily commute or weekend, 20000mAh is sufficient.

"All USB-C power banks are the same" - Wrong. Total output matters. A 20W power bank can't charge a laptop at all. A 65W power bank can; a 100W power bank is better.

"Wireless charging adds value" - Wrong. Wireless charging on power banks is marketing gimmick. You're spending capacity and weight for a feature most people don't use.

"Smaller is always better" - Wrong. For laptop charging, you need 60W+ which requires decent size. Smallest viable option is Baseus Blade at 100W, 20000mAh (10.9 oz).

Conclusion

For laptop charging on the go: - 13" ultrabook + commute: Baseus Blade 100W ($59) is the best value - Multiple devices + frequent travel: Anker Prime 20000 ($99) handles everything - Power user with multiple laptops: Anker Prime 20000 or Zendure SuperTank Pro - Extended trips or camping: EcoFlow River 2 ($199) is the only option

Always verify your laptop's power requirements before purchasing. A 45W power bank works for 13" MacBook Air but fails for 14" MacBook Pro. Check your laptop's original charger wattage — that's your requirement.