Best Portable Chargers & Power Banks in 2026

A dead phone in the middle of a travel day, a long hike, or a work session away from a desk is one of the most avoidable inconveniences in modern life. A good portable charger eliminates it — and in 2026, the best ones do it without weighing down your bag, without taking all night to recharge themselves, and often with enough capacity to charge a phone three or four times on a single charge of the bank.

We evaluated power banks by capacity (mAh), output wattage (how fast they charge your phone), size and weight, input speed (how quickly they recharge from a wall adapter), and price. These four picks cover every need from slip-it-in-your-pocket daily carry at $22 to high-capacity travel banks at $80.

Our Top Picks

#1 — Anker 737 PowerCore 24K: Best High-Capacity

The Anker 737 PowerCore 24K at around $80 is the power bank for people who are serious about staying charged. At 24,000mAh it holds enough power to charge a modern iPhone 15 about five times, a Samsung Galaxy about four times, or a MacBook Air approximately once. Three ports — two USB-C (140W + 60W) and one USB-A (22.5W) — let you charge up to three devices simultaneously, with the 140W USB-C port fast enough to be the primary charger for most laptops.

The built-in display shows remaining battery percentage and current wattage flowing through each port in real time. Anker's ActiveShield 2.0 monitors temperature 3 million times per day to prevent overheating. At 1.4 lbs it's a two-hand-carry item, not a pocket bank — this belongs in a backpack for long travel days, camping trips, or laptop charging on the go. Recharges itself in about 2 hours via the 140W input. The benchmark for high-capacity power banks.

#2 — INIU BI-B61 20000mAh: Best Value

The INIU BI-B61 at around $35 punches well above its price. At 20,000mAh it holds nearly as much charge as the Anker 737 at less than half the price. Three output ports — two USB-C (65W + 18W) and one USB-A — cover most devices. A 0.96-inch display shows remaining battery percentage clearly. The 65W USB-C output is fast enough to charge most laptop models at a useful rate, making this legitimately useful for more than just phones.

INIU uses Grade A lithium cells with a 500+ cycle life rating. At 13.1oz it's noticeably lighter than the Anker 737, though still a backpack item rather than pocket carry. Recharges via USB-C PD in about 3 hours. For travelers and road warriors who need high capacity without the premium Anker price tag, the INIU BI-B61 is the most compelling value in this category.

#3 — Belkin BoostCharge 10K: Best for iPhone Users

The Belkin BoostCharge 10K at around $45 is optimized for the Apple ecosystem. Its 15W USB-C output delivers certified fast charging for iPhones (faster than many competing 10K banks). The 10,000mAh capacity gives you two full iPhone 15 Pro charges. Slim, flat form factor fits easily in a jacket pocket or small purse. Lightning input option alongside USB-C means you can recharge it from existing Apple cables.

At 0.6 lbs, the Belkin BoostCharge is the most pocketable option in this roundup that still has meaningful capacity. It doesn't have a display — just LED indicators — which keeps the design minimal. For iPhone users who want a daily-carry backup that charges fast and doesn't add bulk, this is the pick.

#4 — Anker PowerCore Slim 10K: Best Budget

The Anker PowerCore Slim 10K at around $22 is the simplest, lightest, most reliable budget power bank you can buy. At 10,000mAh it holds two to two-and-a-half phone charges. Single USB-A and USB-C output ports cover the basics. At 6.7oz it's genuinely pocketable — lighter than most phones. Anker's build quality is consistently above generic alternatives at this price: good cable management, durable shell, and reliable charging cycles.

This is the bank you buy to throw in a bag and forget about until you need it. No display, no fast-charging theater — just reliable charging at a price that makes sense as a travel backup or emergency charger. Anker's customer service and return policy are industry-best, which matters when you're buying cheap electronics.

Head-to-Head Comparison

What to Look For

Capacity: How Many Charges Do You Need?

A typical smartphone battery holds 4,000–5,000mAh. A 10,000mAh power bank delivers roughly 2 full charges accounting for conversion efficiency. A 20,000mAh bank delivers about 4 charges. For a day trip, 10K is enough. For international travel or multiple days off-grid, go 20K or above. For charging laptops, you need at least 18,000mAh and 65W+ output.

Output Wattage: How Fast Does It Charge?

The higher the output wattage, the faster your phone charges. Standard USB-A outputs 5–12W. USB-C Power Delivery outputs 18W–140W depending on the bank. Modern iPhones charge fastest at 20W+; recent Android flagships support 25–45W or more. Check your phone's fast-charge spec and match a power bank that can meet it.

See more top-rated electronics on our Electronics page.