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Laptop power banks
price per 100 Wh How we compare Buying guide ↓
- Output that matters
- 65–140 W on one port
- Cable above 60 W
- 5 A e-marked; EPR at 140 W
- Carry-on without approval
- Up to 100 Wh · 27,000 mAh
- Charges, 74–100 Wh bank
- One 13-inch, half a 16-inch
Filters (2)
| Product | $ / 100 Wh ▲ | Max output (W) | Package | Capacity | Kind | Rating · Reviews |
|---|
| Product | $ / 100 Wh ▲ | Max output (W) | Package | Capacity | Kind | Rating · Reviews | |
|---|---|---|---|---|---|---|---|
| Laptop Power Bank, 27000mAh Portable Charger with 3-Port Laptop Portable Charger with 140W Fast Charging, Smart Display, Compatible with iPhone 17/16/15 Series, Samsung, MacBook, and More 27,000 mAh · 99.9 Wh · 4.1 / 5 Max output (W): 140 Capacity, output & details
| $37.03per 100 WhBest value | 140 | $36.99Package price | 27,000 mAh · 99.9 Wh | Laptop (65 W+) | 4.1 (147) | |
| 65W Laptop Power Bank, 25000mAh 101W Total Fast Charging Portable Charger 25,000 mAh · 92.5 Wh · 3.9 / 5 Max output (W): 101 Capacity, output & details
| $43.23per 100 Wh | 101 | $39.99Package price | 25,000 mAh · 92.5 Wh | Laptop (65 W+) | 3.9 (1K) | |
| 27000mAh 120W Fast Charging Power Bank, High Capacity 3-Port Laptop Portable Charger with Smart Display, Compatible with iPhone 16/15/14, Vision Pro, Samsung, MacBook & More 27,000 mAh · 99.9 Wh · 4.1 / 5 Max output (W): 120 Capacity, output & details
| $46.92per 100 Wh | 120 | $46.87Package price | 27,000 mAh · 99.9 Wh | Laptop (65 W+) | 4.1 (93) | |
| EF ECOFLOW Laptop Power Bank, 25,000mAh 170W Portable Charger with Dual 140W USB-C Ports, Smart Display, Flight-Approved for Travel, Fast Charging for iPhone 17/16 Series, MacBook, Samsung and More 25,000 mAh · 92.5 Wh · 4.1 / 5 Max output (W): 170 Capacity, output & details
| $54.04per 100 Wh | 170 | $49.99Package price | 25,000 mAh · 92.5 Wh | Laptop (65 W+) | 4.1 (213) | |
| 27000mAh Power Bank, 140W Laptop Portable Charger with PD 3.1 Fast Charging, Smart Sisplay, 99Wh Battery Bank for MacBook Pro/Air, iPad Pro, iPhone17/16 Series, Samsung and More(Dark Gray) 27,000 mAh · 99 Wh · 3.9 / 5 Max output (W): 140 Capacity, output & details
| $55.93per 100 Wh | 140 | $55.37Package price | 27,000 mAh · 99 Wh | Laptop (65 W+) | 3.9 (25) | |
| Laptop Power Bank, 20000mAh Portable Charger with 190W Total Output 20,000 mAh · 74 Wh · 4.4 / 5 Max output (W): 190 Capacity, output & details
| $67.55per 100 Wh | 190 | $49.99Package price | 20,000 mAh · 74 Wh | Laptop (65 W+) | 4.4 (94) | |
| UGREEN Power Bank 25,000mAh 145W Laptop Portable Charger, Nexode 3-Port USB C PD Battery Pack, for MacBook Pro/Air, Dell XPS, iPhone 17/16/15/14, Galaxy S26 Steam Deck, iPad, and More (Pack of 2) 2 × 25,000 mAh · 185 Wh · 4.3 / 5 Max output (W): 145 Capacity, output & details
| $69.18per 100 Wh | 145 | $127.98Package price | 2 × 25,000 mAh · 185 Wh | Laptop (65 W+) | 4.3 (8K) | |
| 140W Portable Fast Charger 25000mAh with LG 21700 Battery, 3-Port Laptop Fast Power Bank Smart Display for Travel, Compatible with MacBook Pro, iPhone 17/16, ipad.（G-ZeroFear） 25,000 mAh · 92.5 Wh · 4.4 / 5 Max output (W): 140 Capacity, output & details
| $75.57per 100 Wh | 140 | $69.90Package price | 25,000 mAh · 92.5 Wh | Laptop (65 W+) | 4.4 (45) | |
| 140W Laptop Power Bank, 25000mAh with TFT Smart Digital Display 25,000 mAh · 92.5 Wh · 4.5 / 5 Max output (W): 140 Capacity, output & details
| $75.66per 100 Wh | 140 | $69.99Package price | 25,000 mAh · 92.5 Wh | Laptop (65 W+) | 4.5 (580) | |
| UGREEN Nexode 20000mAh 130W Portable PD Power Bank for MacBook Pro 16 20,000 mAh · 74 Wh · 4.5 / 5 Max output (W): 130 Capacity, output & details
| $81.07per 100 Wh | 130 | $59.99Package price | 20,000 mAh · 74 Wh | Laptop (65 W+) | 4.5 (4.8K) | |
| Mukiya Laptop Power Bank, 20,000mAh 130W Built-in Retractable USB C Cable | Portable Charger, Battery Bank with Built-in Phone Stand for MacBook/iPhone/iPad/Samsung/Steam Deck, Flight-Safe 20,000 mAh · 74 Wh · 4.4 / 5 Max output (W): 130 Capacity, output & details
| $81.07per 100 Wh | 130 | $59.99Package price | 20,000 mAh · 74 Wh | Laptop (65 W+) | 4.4 (27) | |
| GREPRO 100W Laptop Power Bank, 20000mAh 130W Total Aluminum Alloy USB C 20,000 mAh · 74 Wh · 4.1 / 5 Max output (W): 130 Capacity, output & details
| $81.07per 100 Wh | 130 | $59.99Package price | 20,000 mAh · 74 Wh | Laptop (65 W+) | 4.1 (272) | |
| Laptop Power Bank 170W Fast Charging, 25000mAh Portable Charger for MacBook 25,000 mAh · 92.5 Wh · 4.2 / 5 Max output (W): 170 Capacity, output & details
| $86.37per 100 Wh | 170 | $79.89Package price | 25,000 mAh · 92.5 Wh | Laptop (65 W+) | 4.2 (92) | |
| AsperX Laptop Power Bank, 165W 20000mAh, Aluminum Unibody, TFT Display Gray 20,000 mAh · 74 Wh · 4.5 / 5 Max output (W): 165 Capacity, output & details
| $86.47per 100 Wh | 165 | $63.99Package price | 20,000 mAh · 74 Wh | Laptop (65 W+) | 4.5 (82) | |
| AsperX Laptop Power Bank, 25,000mAh 140W PD 3.1 Fast Charging USB C 25,000 mAh · 92.5 Wh · 4.4 / 5 Max output (W): 140 Capacity, output & details
| $86.48per 100 Wh | 140 | $79.99Package price | 25,000 mAh · 92.5 Wh | Laptop (65 W+) | 4.4 (981) | |
| UGREEN Nexode 25000mAh 145W 3-Port USB-C Power Bank for iPhone 18 Pro Max 25,000 mAh · 92.5 Wh · 4.3 / 5 Max output (W): 145 Capacity, output & details
| $86.48per 100 Wh | 145 | $79.99Package price | 25,000 mAh · 92.5 Wh | Laptop (65 W+) | 4.3 (8K) | |
| UGREEN Nexode 20000mAh 145W Built-in USB-C Power Bank 20,000 mAh · 74 Wh · 4.3 / 5 Max output (W): 145 Capacity, output & details
| $87.81per 100 Wh | 145 | $64.98Package price | 20,000 mAh · 74 Wh | Laptop (65 W+) | 4.3 (557) | |
| 27000mAh 99.9Wh Power Bank with 120W AC Outlet, 65W USB-C PD 27,000 mAh · 99.9 Wh · 5 / 5 Max output (W): 120 Capacity, output & details
| $89.08per 100 Wh | 120 | $88.99Package price | 27,000 mAh · 99.9 Wh | Laptop (65 W+) | 5 (1) | |
| AsperX Laptop Power Bank, 165W 20,000mAh, Aluminum Unibody, TFT Display 20,000 mAh · 74 Wh · 4.5 / 5 Max output (W): 165 Capacity, output & details
| $89.18per 100 Wh | 165 | $65.99Package price | 20,000 mAh · 74 Wh | Laptop (65 W+) | 4.5 (82) | |
| citicr Laptop Power Bank 27000mAh 165W Fast Charger w/Built-in Cable Black | High capacity, Fast charging, Built-in cable, LED smart display, 300LM Flashlight, Charging 3 devices at once, TSA approved 27,000 mAh · 99.9 Wh · 4.2 / 5 Max output (W): 165 Capacity, output & details
| $90.08per 100 Wh | 165 | $89.99Package price | 27,000 mAh · 99.9 Wh | Laptop (65 W+) | 4.2 (32) | |
| Dyness Laptop Power Bank, 20,000mAh, 165W, Dual 100W USB-C, PD 3.1 20,000 mAh · 74 Wh · 4.6 / 5 Max output (W): 165 Capacity, output & details
| $93.08per 100 Wh | 165 | $68.88Package price | 20,000 mAh · 74 Wh | Laptop (65 W+) | 4.6 (28) | |
| AsperX Laptop Power Bank, 165W 20,000mAh Retractable Cable Aluminum Unibody 20,000 mAh · 74 Wh · 4.5 / 5 Max output (W): 165 Capacity, output & details
| $94.58per 100 Wh | 165 | $69.99Package price | 20,000 mAh · 74 Wh | Laptop (65 W+) | 4.5 (640) | |
| INIU 25000mAh Power Bank, Compact High Capacity 140W Laptop Portable Charger, USB C Tablet Powerbank, Digital Display Phone Charger for iPhone 17 16, Samsung, iPad, MacBook, Laptop, Emergency etc 25,000 mAh · 92.5 Wh · 4.4 / 5 Max output (W): 140 Capacity, output & details
| $96.21per 100 Wh | 140 | $88.99Package price | 25,000 mAh · 92.5 Wh | Laptop (65 W+) | 4.4 (211) | |
| Laptop Power Bank, 12800mAh Portable Charger with 240W USB-C Cable 12,800 mAh · 47.4 Wh · 3.8 / 5 Max output (W): 240 Capacity, output & details
| $97.11per 100 Wh | 240 | $45.99Package price | 12,800 mAh · 47.4 Wh | Laptop (65 W+) | 3.8 (111) | |
| UGREEN Nexode 25000mAh 200W PD 3.1 TFT 3-Port Power Bank 25,000 mAh · 92.5 Wh · 4.3 / 5 Max output (W): 200 Capacity, output & details
| $97.29per 100 Wh | 200 | $89.99Package price | 25,000 mAh · 92.5 Wh | Laptop (65 W+) | 4.3 (3.4K) | |
| JUOVI 187W Portable Charger for Laptop Power Bank 25000mAh with USB-C Cable 25,000 mAh · 92.5 Wh · 4.6 / 5 Max output (W): 187 Capacity, output & details
| $97.29per 100 Wh | 187 | $89.99Package price | 25,000 mAh · 92.5 Wh | Laptop (65 W+) | 4.6 (117) | |
| SIXTHGU Laptop Power Bank, 20,000mAh Travel Essential, 200W Fast Charging 20,000 mAh · 74 Wh · 4.4 / 5 Max output (W): 200 Capacity, output & details
| $99.99per 100 Wh | 200 | $73.99Package price | 20,000 mAh · 74 Wh | Laptop (65 W+) | 4.4 (26) | |
| SIXTHGU Laptop Power Bank, 3-Port 20,000mAh Portable Charger with 140W, PD 3.1 Fast Charging, Flight-Approved for Travel, PowerTower, for MacBook, iPhone 17/16 Series, and More(Grey) 20,000 mAh · 74 Wh · 4.4 / 5 Max output (W): 140 Capacity, output & details
| $99.99per 100 Wh | 140 | $73.99Package price | 20,000 mAh · 74 Wh | Laptop (65 W+) | 4.4 (26) | |
| VENTION 27000mAh Laptop Power Bank, 200W, Built-in and Extra 240W USB-C Cables, Portable Laptop Charger, Digital Display, for iPhone 18/17/16/15/14 Pro Max, MacBook, Dell, HP, Galaxy S26, Gray 27,000 mAh · 99.9 Wh · 4.2 / 5 Max output (W): 240 Capacity, output & details
| $100.09per 100 Wh | 240 | $99.99Package price | 27,000 mAh · 99.9 Wh | Laptop (65 W+) | 4.2 (130) | |
| EF ECOFLOW Rapid Pro Power Bank, 20,000mAh 4-Port with 230W Max Output, Portable Charger with 100W Built-in Cable, TSA-Approved, App Control, for MacBook, iPhone 17/16 Series, Laptops, and More 20,000 mAh · 74 Wh · 4.1 / 5 Max output (W): 230 Capacity, output & details
| $102.69per 100 Wh | 230 | $75.99Package price | 20,000 mAh · 74 Wh | Laptop (65 W+) | 4.1 (312) | |
| CUKTECH 15 Ultra Power Bank for Laptop, 20,000mAh 140W Portable Charger, Smart Display, External Battery for Outdoor Work and Travel, for iPhone 16/15, MacBook, Samsung, and More (Flight-Approved) 20,000 mAh · 74 Wh · 4.7 / 5 Max output (W): 140 Capacity, output & details
| $106.74per 100 Wh | 140 | $78.99Package price | 20,000 mAh · 74 Wh | Laptop (65 W+) | 4.7 (517) | |
| JUOVI 222W Laptop Power Bank 25000mAh Portable Charger with Detachable USB-C Cable 25,000 mAh · 92.5 Wh · 4.7 / 5 Max output (W): 222 Capacity, output & details
| $107.01per 100 Wh | 222 | $98.98Package price | 25,000 mAh · 92.5 Wh | Laptop (65 W+) | 4.7 (109) | |
| JUOVI 222W Portable Charger for Laptop Power Bank 25000mAh with USB-C Cable 25,000 mAh · 92.5 Wh · 4.7 / 5 Max output (W): 222 Capacity, output & details
| $107.02per 100 Wh | 222 | $98.99Package price | 25,000 mAh · 92.5 Wh | Laptop (65 W+) | 4.7 (111) | |
| AOHI 170W 25200mAh Laptop Power Bank，100W Max PD 3.0 Portable Fast Charger 25,200 mAh · 93.2 Wh · 4.5 / 5 Max output (W): 170 Capacity, output & details
| $107.24per 100 Wh | 170 | $99.99Package price | 25,200 mAh · 93.2 Wh | Laptop (65 W+) | 4.5 (25) | |
| UGREEN Nexode Pro 25000mAh 200W Laptop Power Bank with Retractable Cables 25,000 mAh · 92.5 Wh · 4.8 / 5 Max output (W): 200 Capacity, output & details
| $108.09per 100 Wh | 200 | $99.98Package price | 25,000 mAh · 92.5 Wh | Laptop (65 W+) | 4.8 (213) | |
| JUOVI 187W Laptop Power Bank 25000mAh Portable Charger with Detachable USB-C Cable 25,000 mAh · 92.5 Wh · 4.7 / 5 Max output (W): 187 Capacity, output & details
| $108.09per 100 Wh | 187 | $99.98Package price | 25,000 mAh · 92.5 Wh | Laptop (65 W+) | 4.7 (95) | |
| 140W USB-C Port Laptop Power Bank, 20000mAh 3-Port 20,000 mAh · 74 Wh · 4 / 5 Max output (W): 140 Capacity, output & details
| $108.09per 100 Wh | 140 | $79.99Package price | 20,000 mAh · 74 Wh | Laptop (65 W+) | 4 (86) | |
| Laptop Power Bank, 20000mAh Portable Charger with 190W Total Output 20,000 mAh · 74 Wh · 4.3 / 5 Max output (W): 190 Capacity, output & details
| $108.09per 100 Wh | 190 | $79.99Package price | 20,000 mAh · 74 Wh | Laptop (65 W+) | 4.3 (21) | |
| 2026 FIFA Licensed 190W 20000mAh Power Bank for Laptop Portable Charger,3-Port USB-C Fast Charging Battery Pack with Built-in USB-C Cables for MacBook,Cell Phones,iPhone,Android,Samsung,Black 20,000 mAh · 74 Wh · 4.2 / 5 Max output (W): 190 Capacity, output & details
| $108.09per 100 Wh | 190 | $79.99Package price | 20,000 mAh · 74 Wh | Laptop (65 W+) | 4.2 (86) | |
| NOBIS Portable Charger 187W 25000mAh Power Bank w/Smart Display APP 25,000 mAh · 92.5 Wh · 4.6 / 5 Max output (W): 187 Capacity, output & details
| $108.10per 100 Wh | 187 | $99.99Package price | 25,000 mAh · 92.5 Wh | Laptop (65 W+) | 4.6 (129) | |
| NOBIS Laptop Power Bank, 25000mAh Portable Charger with 187W Total Output 25,000 mAh · 92.5 Wh · 4.6 / 5 Max output (W): 187 Capacity, output & details
| $108.10per 100 Wh | 187 | $99.99Package price | 25,000 mAh · 92.5 Wh | Laptop (65 W+) | 4.6 (125) | |
| UGREEN Nexode 20000mAh 165W Power Bank for MacBook Pro 16, Built-in Cable 20,000 mAh · 74 Wh · 4.5 / 5 Max output (W): 165 Capacity, output & details
| $114.85per 100 Wh | 165 | $84.99Package price | 20,000 mAh · 74 Wh | Laptop (65 W+) | 4.5 (2K) | |
| UGREEN Nexode 25000mAh 165W Built-in USB-C Power Bank for iPhone 18 Pro 25,000 mAh · 92.5 Wh · 4.6 / 5 Max output (W): 165 Capacity, output & details
| $118.91per 100 Wh | 165 | $109.99Package price | 25,000 mAh · 92.5 Wh | Laptop (65 W+) | 4.6 (803) | |
| CUKTECH NO.20 140W Power Bank, 25,000mAh 3-Port Laptop Portable Charger, Fast Charging Battery Pack for Travel and Outdoor Work, Compatible with iPhone 16/15/14 Series, MacBook, Samsung, and More 25,000 mAh · 92.5 Wh · 4.1 / 5 Max output (W): 140 Capacity, output & details
| $118.91per 100 Wh | 140 | $109.99Package price | 25,000 mAh · 92.5 Wh | Laptop (65 W+) | 4.1 (579) | |
| NOBIS 222W Power Bank, 25000mAh Laptop and Phone Portable Charger 25,000 mAh · 92.5 Wh · 4.6 / 5 Max output (W): 222 Capacity, output & details
| $118.91per 100 Wh | 222 | $109.99Package price | 25,000 mAh · 92.5 Wh | Laptop (65 W+) | 4.6 (101) | |
| Lenovo Laptop Portable Power Bank, 20,000 mAh 3-Port USB-C 140W Digital Hybrid Charger, TFT Display, Travel Charging Station with 240W Cable for ThinkBook 14, MacBook, iPhone, Samsung Galaxy 20,000 mAh · 74 Wh · 4.3 / 5 Max output (W): 240 Capacity, output & details
| $121.38per 100 Wh | 240 | $89.82Package price | 20,000 mAh · 74 Wh | Laptop (65 W+) | 4.3 (77) | |
| SHARGEEK 170 Power Bank, 140W Portable Charger 24000mAh 24,000 mAh · 88.8 Wh · 4.2 / 5 Max output (W): 140 Capacity, output & details
| $123.76per 100 Wh | 140 | $109.90Package price | 24,000 mAh · 88.8 Wh | Laptop (65 W+) | 4.2 (458) | |
| SHARGEEK 170 Power Bank, 140W Portable Charger 24000mAh/86.4Wh 24,000 mAh · 86.4 Wh · 4.2 / 5 Max output (W): 140 Capacity, output & details
| $127.20per 100 Wh | 140 | $109.90Package price | 24,000 mAh · 86.4 Wh | Laptop (65 W+) | 4.2 (458) | |
| Anker Laptop Power Bank, 25,000mAh Travel Essential with 165W Total Output 25,000 mAh · 92.5 Wh · 4.4 / 5 Max output (W): 165 Capacity, output & details
| $129.71per 100 Wh | 165 | $119.98Package price | 25,000 mAh · 92.5 Wh | Laptop (65 W+) | 4.4 (12.6K) | |
| Anker Laptop Power Bank, 25,000mAh Travel Essential with 165W Total Output 25,000 mAh · 92.5 Wh · 4.4 / 5 Max output (W): 165 Capacity, output & details
| $129.72per 100 Wh | 165 | $119.99Package price | 25,000 mAh · 92.5 Wh | Laptop (65 W+) | 4.4 (12.6K) | |
| 240W Laptop Power Bank, 140W 25000mAh with Dual Display & Build-in C Cable 25,000 mAh · 92.5 Wh Max output (W): 240 Capacity, output & details
| $140.53per 100 Wh | 240 | $129.99Package price | 25,000 mAh · 92.5 Wh | Laptop (65 W+) | — | |
| Belkin 27000mAh 240W Portable Charger Power Bank for MacBook Pro 14 & More 27,000 mAh · 99.9 Wh Max output (W): 240 Capacity, output & details
| $149.03per 100 Wh | 240 | $148.88Package price | 27,000 mAh · 99.9 Wh | Laptop (65 W+) | — | |
| SIXTHGU Laptop Power Bank, 3-Port 20,000mAh Portable Charger with 140W, PD 3.1 Fast Charging, Flight-Approved for Travel, PowerTower, for MacBook, iPhone 17/16 Series, and More(Grey) 20,000 mAh · 74 Wh · 4.7 / 5 Max output (W): 140 Capacity, output & details
| $162.15per 100 Wh | 140 | $119.99Package price | 20,000 mAh · 74 Wh | Laptop (65 W+) | 4.7 (51) | |
| Anker Prime Power Bank, 27,650mAh 250W, 3-Port Portable Charger for Travel 27,650 mAh · 99.5 Wh · 4.3 / 5 Max output (W): 250 Capacity, output & details
| $180.82per 100 Wh | 250 | $179.99Package price | 27,650 mAh · 99.5 Wh | Laptop (65 W+) | 4.3 (3.4K) | |
| Targus 140W USB-C Portable Power Bank – 24,000mAh High-Capacity Battery, PD 3.1 EPR Fast Charging, Airline-Safe, Charge 3 Devices - APB081GLZ 24,000 mAh · 88.8 Wh Max output (W): 140 Capacity, output & details
| $185.65per 100 Wh | 140 | $164.86Package price | 24,000 mAh · 88.8 Wh | Laptop (65 W+) | — | |
| Zeta 240W Laptop Power Bank, 23,450mAh 3-Port PD3.2 Fast Charging Portable Charger, TSA-Approved, Smart Display, Battery Pack Compatible with MacBook/iPhone 17/Samsung/Lenovo/Dell/HP and More 23,450 mAh · 86.8 Wh · 5 / 5 Max output (W): 240 Capacity, output & details
| $195.92per 100 Wh | 240 | $169.99Package price | 23,450 mAh · 86.8 Wh | Laptop (65 W+) | 5 (1) | |
| Shargeek 300W Power Bank, 24000mAh Laptop Portable Charger with DC Port 24,000 mAh · 88.8 Wh · 4.5 / 5 Max output (W): 300 Capacity, output & details
| $201.58per 100 Wh | 300 | $179.00Package price | 24,000 mAh · 88.8 Wh | Laptop (65 W+) | 4.5 (237) | |
| AOHI 310W PD3.1 Power Bank 20000mAh, Dual 140W USB-C Ports Portable Charger 20,000 mAh · 74 Wh · 4.2 / 5 Max output (W): 310Most powerful Capacity, output & details
| $202.69per 100 Wh | 310Most powerful | $149.99Package price | 20,000 mAh · 74 Wh | Laptop (65 W+) | 4.2 (16) | |
| Anker Prime Power Bank, 26,250mAh 300W Fast Charging 26,250 mAh · 97.1 Wh · 4.6 / 5 Max output (W): 300 Capacity, output & details
| $205.91per 100 Wh | 300 | $199.99Package price | 26,250 mAh · 97.1 Wh | Laptop (65 W+) | 4.6 (1.8K) | |
| Lenovo Hybrid 2-in-1 Laptop Power Bank 140W (10,200mAh), USB-C Portable Charger & 65W Wall Adapter, Dual USB-C Fast Charging, IPS Display, Foldable Plug, for Laptop, Phone, Tablet, Model PBFO10140A 10,200 mAh · 37.7 Wh · 4.5 / 5 Max output (W): 140 Capacity, output & details
| $238.45per 100 Wh | 140 | $89.99Package price | 10,200 mAh · 37.7 Wh | Laptop (65 W+) | 4.5 (16) |
$87.98 per 100 Wh median of 121 in-stock listings.
Per 100 Wh of nominal cell energy: mAh × 3.7 V, or the stated Wh where it agrees within 20 %; power stations by their stated Wh. ~ marks a stated Wh set aside, or a title that names several capacities.
Laptop power banks: what to know before you buy
A 20,000–27,000 mAh bank with at least one USB-C port that negotiates USB Power Delivery at 65 W or more; 100 W and 140 W are the common ceilings, and 250–300 W models exist. Buyers get three things wrong: a 74–100 Wh bank is about one charge of a 13-inch laptop and half a charge of a 16-inch one; the laptop’s port, the cable and the bank each cap the speed, so “140 W” on the box rarely reaches the laptop; and the bank’s own input speed decides whether it refills over lunch or overnight.
Specs and terms that matter
Output per port and combined
65, 100 or 140 W on the main USB-C port is the figure that matters; a combined figure such as “165 W” is often 100 W on one port plus 65 W on another, never 165 W to one laptop. Most banks drop the laptop port to a lower profile when a phone is plugged in too.
PD 3.0 vs PD 3.1 EPR
USB PD 3.0 tops out at 100 W (20 V, 5 A). PD 3.1 Extended Power Range adds 28, 36 and 48 V for up to 240 W; 140 W needs the 28 V EPR profile on bank, cable and laptop alike. PPS and AVS are the adjustable-voltage modes for phones and newer laptops.
Cable rating
Any USB-C cable carries 3 A, 60 W at 20 V. Above 60 W the cable must be 5 A e-marked (sold as “100 W”); 140–240 W needs an EPR-marked 5 A cable. A 100 W bank with a thin cable charges a laptop at 60 W, and users with a USB tester often find half their cables are the slow kind.
Input watts (recharge)
65 W input refills a 100 Wh bank in about 2 h, 100–140 W in about 1 h; some banks take two chargers at once. The input rating needs a wall charger and cable that can supply it. A crowd-sourced test of ten laptop banks found a 20-minute lunch recharge returns about 45 Wh at best, because most throttle after 20 minutes at 140 W.
Energy
20,000 mAh is 74 Wh, 24,000–26,000 mAh 86–96 Wh, 27,000 mAh about 100 Wh. Above 100 Wh airline approval is needed, which is why laptop banks cluster at 24,000–27,000 mAh.
Sustained vs peak output
Some banks hold the top figure for five minutes, then throttle on heat; reviews that log the curve show it. Voltage ripple and noise under load separate good electronics from poor ones.
Weight
500–700 g is normal for 25,000 mAh at 140–165 W; the lightest 20,000 mAh banks are about 325 g but at lower watts. A 300 W 27,000 mAh bank is 600–700 g.
Display and ports
A live watts-in and watts-out display is standard here; it shows whether the laptop negotiated 65 or 100 W. Two USB-C and one USB-A is the norm, a third USB-C on 25,000 mAh and up; Bluetooth telemetry on premium models.
Before you buy
- Find the laptop’s draw: a MacBook Air or 13-inch ultrabook 30–65 W, a 14-inch MacBook Pro 70–96 W, a 16-inch MacBook Pro 140 W over its MagSafe 3 cable; most gaming laptops charge from USB-C slowly or not at all.
- Decide between 65 and 100 W: in forum consensus 65 W keeps a MacBook Pro working under normal load and 100 W keeps it charging under load.
- Check the cable in the box: 5 A e-marked for anything above 60 W, EPR-marked for 140 W; buy one if the box does not say.
- Read the input watts and whether the wall charger at home can supply them; 140 W input needs a 140 W charger and an EPR cable.
- Keep the Wh under 100 if the bank will fly: 24,000–27,000 mAh is the usual ceiling, and 30,000 mAh laptop banks need airline approval.
- Weigh it against the charger: a bank that weighs more than the laptop’s charger loses to a charger plus a 10,000 mAh bank in most travel threads.
- Check whether the laptop port holds its output when a phone is plugged in; the per-port figures under load are in the fine print.
- Check the model number against the maker’s recall page and read the warranty term, 12–24 months on this class.
Myths and mistakes
- A 140 W bank does not charge a 16-inch MacBook Pro at 140 W over USB-C: that speed uses the MagSafe 3 cable, USB-C stays at the 100 W PD 3.0 ceiling, and the Mac’s own curve falls below 100 W after about 22 minutes anyway.
- A 100 Wh bank does not fully recharge every laptop: about 85 Wh arrives, roughly 1.2 charges of a MacBook Air and 0.8 of a 16-inch Pro.
- A charger that is also a power bank at 140 W and 20,000 mAh does not exist; the hybrids are 65 W and 10,000 mAh, and bulky in a wall socket.
- “165 W” in a title is a combined figure: 100 W on one port and 65 W on another, never 165 W to a laptop.
- Gaming laptops are not laptop-bank territory: most need 180–240 W from a barrel charger, and a 100 W USB-C bank only slows the drain.
- A 3C mark, not a UL mark, is what China’s Civil Aviation Administration has required on domestic flights since 28 June 2025; travellers transiting China report banks without it being confiscated.
Questions people ask
How many watts does my laptop need from a power bank?
30–65 W for thin laptops and a MacBook Air, 96–100 W for 14- and 16-inch pro models, 140 W only for the 16-inch MacBook Pro over its MagSafe 3 cable. A laptop draws what it needs; a 100 W bank on a 45 W laptop runs at 45 W.
Will a 65 W power bank charge a 100 W laptop?
Yes, more slowly; under heavy load the battery may still drain, but the runtime is extended. In forum consensus 65 W keeps a MacBook Pro working under normal load, and 100 W keeps it charging while working.
Which cable do I need for a 100 W or 140 W power bank?
A 5 A e-marked cable (sold as “100 W”) for 65–100 W; a 240 W EPR-marked cable for 140 W. A plain USB-C cable carries 60 W, whatever the bank says.
How much laptop runtime does a 20,000 mAh bank give?
Roughly one full charge of a 13-inch laptop (50–70 Wh battery) and half a charge of a 16-inch one (100 Wh), after 10–15 % losses. A 27,000 mAh bank at about 100 Wh gives about 1.2 charges of a MacBook Air.
Can I fly with a 24,000 or 26,800 mAh laptop power bank?
Yes, in carry-on: both are under 100 Wh (86–99 Wh). A 30,000 mAh bank at 111 Wh needs the airline’s approval, two at most, under the ICAO tiers the FAA and EASA follow. Since 27 March 2026 ICAO’s addendum says the bank should not be used or recharged on board; airlines differ, and the airline’s current rule applies.
How fast does a laptop power bank recharge itself?
About the Wh divided by the input watts: 100 Wh at 65 W in about 2 h, at 140 W in about 1 h, plus the taper at the end. Only with a charger and cable that can supply the input rating.
Does a laptop power bank charge a phone too?
Yes, from its second USB-C or USB-A port. Check whether the laptop port drops its output when both are used; most banks split the total between ports.
Sources: USB Power Delivery: profiles, cables and EPR (reference), ChargerLAB: MacBook Pro 16-inch M4 Pro charging review, FAA PackSafe: lithium batteries, ICAO Technical Instructions 2025–2026, Addendum No. 1 (27 March 2026), CAAC 3C requirement for power banks on domestic flights (Hangzhou government portal). Reviewed Oct 19, 2026. General information compiled from public sources, not safety or legal advice. Airline rules change often; your airline’s current rule is the one that applies.
Work out a price per Wh: free power bank calculators · mAh to Wh calculator