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Portable Charger

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Power that goes where you go.

The Portable Charger Lineup for iPhones & Androids

A portable charger is a rechargeable battery you can take anywhere to top up your phone, earbuds, tablet or smartwatch when you’re away from an outlet. Charge it at home, toss it in your bag, and you’ve got backup power for commutes, flights, festivals, long workdays and weekends outdoors. Also called a power bank or battery pack, a portable charger is one of the most useful tech accessories you can own.

How to choose the right portable charger

The best portable charger depends on how much power you need and how you like to carry it. Start with capacity, measured in milliamp hours (mAh):

  • 5,000 mAh: Slim and pocket friendly. Enough for about one full phone charge, ideal for daily carry.
  • 10,000 mAh: The sweet spot for most people. Roughly two phone charges in a size that still fits in a bag or jacket pocket.
  • 20,000 mAh: Built for travel and heavy use. Multiple phone charges, or enough to top up a tablet.

Next, look at charging speed. A portable charger with USB-C Power Delivery (PD) can fast charge most modern phones, getting you from low battery to a usable charge in minutes. A higher wattage portable charger can also power tablets and some laptops.

Find your Nimble portable charger

  • Everyday power bank: CHAMP, CHAMP Lite and BUMP 5K are compact, simple and ready for daily carry.
  • High-capacity portable charger: CHAMP Pro delivers more capacity and faster output for travel, multiple devices and long days.
  • Magnetic wireless portable charger: CHAMP Wireless and CHAMP Wireless 5K snap onto the back of MagSafe-compatible iPhones, so you can charge and keep using your phone with no cable at all.
  • 2-in-1 wall charger and portable charger: The WALLY Pro line plugs straight into the wall to charge your devices and itself, then unplugs to go with you. One device, half the clutter.
  • Portable charger with a built-in cable: CHAMP Stretch packs 10,000 mAh and up to 30W fast charging, with a retractable USB-C cable that pulls out when you need it and snaps back in when you’re done. No more digging through your bag for the right cord.
  • Shareable portable charger: SHAREPOWER magnetically splits into two independent 5,000 mAh power banks, each with its own built-in USB-C cable. Stack them for 10,000 mAh and up to 35W across three devices, or pull them apart to charge a friend’s phone without giving up your own.

A portable charger made with less impact

Most power banks are made from new plastic, packed in plastic and tossed after a few years. Nimble does it differently. As a longtime Certified B Corp, we make every portable charger with certified recycled materials, ship it in plastic-free packaging, and offer free e-waste recycling so your old electronics stay out of landfills. We also test our products for harmful materials and publish the results, because the portable charger in your pocket shouldn’t come with hidden tradeoffs.

Find your Nimble portable charger and stay powered up, wherever you’re headed.

FAQ's

Portable Charger Frequently Asked Questions

Answers to common questions about portable chargers.

What is a portable charger?

A portable charger is a rechargeable battery that charges your phone and other devices when you’re away from an outlet. You charge the portable charger at home, then use it to power up your devices on the go. A portable charger is also called a power bank or battery pack.

What size portable charger do I need?

For daily use, a 5,000 to 10,000 mAh portable charger covers one to two full phone charges and fits easily in a pocket or bag. If you travel often or charge multiple devices, a 20,000 mAh portable charger gives you more power between recharges.

How many times will a portable charger charge my phone?

It depends on the portable charger’s capacity and your phone’s battery size. As a general guide, a 5,000 mAh portable charger provides about one full phone charge, a 10,000 mAh portable charger about two, and a 20,000 mAh portable charger about four. Some energy is lost as heat, so real-world results vary slightly.

Can I bring a portable charger on a plane?

Yes. A portable charger is allowed in carry-on bags but not in checked luggage. Most airlines allow batteries under 100 watt-hours without approval, which includes every Nimble portable charger. Check with your airline before flying, since rules can vary. You can find more information on this in our blog.

Will a Nimble portable charger work with my phone?

Yes. A Nimble portable charger works with iPhone, Samsung Galaxy, Google Pixel and most other phones, plus earbuds, smartwatches and tablets. USB-C models fast charge compatible devices, and our magnetic wireless portable charger models attach to MagSafe-compatible iPhones.

What’s the difference between a portable charger and a power bank?

There’s no real difference. Portable charger, power bank and battery pack all describe the same thing: a rechargeable battery that charges your devices on the go. Some, like our WALLY Pro line, work as both a portable charger and a wall charger.

How long does it take to recharge a portable charger?

Recharge time depends on the portable charger’s capacity and the wall adapter you use. With a USB-C PD wall adapter, most Nimble portable charger models recharge in a few hours. Higher capacity models take longer. Check each product page for exact recharge times.

Is it safe to leave a portable charger plugged in?

Yes. Every Nimble portable charger has built-in protection against overcharging, overheating and short circuits, so it’s safe to leave plugged in. For the longest battery life, store your portable charger in a cool, dry place and avoid leaving it in a hot car.

What makes a Nimble portable charger different?

Nimble is a Certified B Corp that makes tech accessories with less impact on the planet. Every Nimble portable charger uses certified recycled materials, ships in plastic-free packaging, and includes free access to our e-waste recycling program.

COMPLIMENTS DEPARTMENT

  • "Nimble is my go-to for anything they sell. High quality, low waste, and five-star customer support. Could not be happier."

    Robin M.

  • "Still consider this charger one of the best I’ve ever had."

    Leonardo D.

  • "My favorite charger. I like mine so much I gave them as gifts."

    Patricia H.

  • "Can’t recommend this company enough. Excellent customer service and my charger works great!"

    Glendy S.

  • "Nimble makes the best chargers, hands down."

    Danielle D.

  • "Works great and love the mission."

    Zadie S.

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