Poseidon Nano

Name: Poseidon Nano
Brand: Dark Energy
SKU: PN30YGYG
Price: 59.99 USD
Availability: InStock

Don’t let the size fool you. Poseidon Nano is pocket-sized, waterproof, and MagSafe-ready—built for daily life and sudden emergencies. It holds power for years and gives you a quick charge when you need it most. The perfect EDC to give you just enough battery until you get home.

Poseidon Nano

Don’t let the size fool you. Poseidon Nano is pocket-sized, waterproof, and MagSafe-ready—built for daily life and sudden emergencies. It holds power for years and gives you a quick charge when you need it most. The perfect EDC to give you just enough battery until you get home.

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Color

Green

Black

Quantity

$59.99

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Highlights

Pocket-sized, rugged power bank
Wireless MagSafe & USB-C Output
Delivers 50–70% of a phone charge in a compact package
IP67 waterproof and dustproof
Holds a charge for 2+ years
Backed by 2 year warranty

Specs

IP67 waterproof, dustproof, and drop-tested for everyday abuse

3,000mAh battery delivers 50-70% of a phone charge

Wireless charging (5W) with MagSafe compatibility

Operates in -20°F to 120°F

Holds charge for over 3 years in standby mode

Lightweight (under 4 oz.) and pocket-sized for everyday carry

Reinforced shell meets MIL-STD-810G impact standards

Built-in voltage regulator and surge protection for safe charging

Compatible with phones, radios, GPS devices, headlamps, cameras & more

Built-in LED charge indicators

Dark Energy logo doubles as power button with auto shutoff

Built-in leather finger strap for secure carry and quick access

Dimensions

Height: 4.02 in ( 10.2 cm)
Width: 2.68 in (6.8 cm)

Thickness: 0.47 in (1.2 cm)

Weight: 3.8 oz (107 g)

FAQ's

Q: How do I turn my Nano on?

A: Press the Dark Energy logo on the front of the Nano. That’s your power button. Once it’s on, the Nano will stay active while charging a device, then automatically shut off after a short period of inactivity to conserve power.

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Q: How many times will this charge my phone?

A: The Poseidon Nano delivers about 50-70% of a full phone charge, depending on your phone’s battery size. It’s built to give you a reliable boost when you need it most.

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Q: How come the MagSafe charging won’t work on my phone?

A: To use MagSafe charging, your phone must support MagSafe wireless charging. Most iPhones, iPhone 8 and newer work — but if your case is too thick, made of metal, or not MagSafe-compatible, it can block the connection.

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Q: The Nano gets warm when charging — is that normal?

A: Yes. All power banks generate some heat while charging, especially during wireless charging.

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Compare

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Poseidon Nano

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50-70% of a phone charge

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1 USB-C + Magsafe Wireless output

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Pocket-sized design

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IPX7 waterproof & dustproof

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Ideal for everyday carry

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H: 4.02 in
W: 2.68 in

D: 0.47 in

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Weight: 3.8 oz

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Poseidon Pro

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2–3 full phone charges

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2 USB-C + 1 USB-A outputs

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Phone-sized design

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IP68 waterproof & dustproof

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Ideal for multi-day power

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H: 6 in
W: 3.25 in

D: 0.63 in

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Weight: 9.6 oz

EVERYDAY BACKUP. ANYWHERE YOU GO.

POCKET-SIZED PEACE OF MIND

Poseidon Nano is small enough to forget about—until you need it. When your battery’s low and your day’s not done, it’s the backup you’ll be glad you packed.

POCKET-SIZED PEACE OF MIND

Poseidon Nano is small enough to forget about—until you need it. When your battery’s low and your day’s not done, it’s the backup you’ll be glad you packed.

A SAFETY NET IN YOUR POCKET

Most of us don’t think about backup power—until we wish we had it. Poseidon Nano gives you confidence on the road, in the woods, or halfway through a chaotic day.

A SAFETY NET IN YOUR POCKET

Most of us don’t think about backup power—until we wish we had it. Poseidon Nano gives you confidence on the road, in the woods, or halfway through a chaotic day.

DESIGNED FOR DAILY USE

You don’t need much—just enough to finish the day. Poseidon Nano gives you that with one quick snap.

DESIGNED FOR DAILY USE

You don’t need much—just enough to finish the day. Poseidon Nano gives you that with one quick snap.

I love how small and lightweight the Poseidon Nano is—super easy to toss in my pocket or even clip to a pack. It’s great for a quick topoff when my phone’s running low. A lot of the bad reviews seem to come from people who don’t realize 3000 mAh won’t fully charge a phone, but that’s not what it’s meant for. If you know that going in, it does exactly what you’d expect. The MagSafe is great because you dont have to worry about carrying a cable around.

Nice and light weight, but will not give a full chagre on my phone with battery at 20%. Doesnt live up to the hype.

Works great

As long as you know what you’re getting, the Poseidon Nano is everything it advertises to be. It’s a small battery that gives you an extra 1-2 hours of power until you’re back to camp, your truck, home, whatever…

Perfect EDC

Perfect little battery for EDC. Definitely worth it if you have a Magsafe case, it makes charging so easy and you don't have to carry a cable. I do wish it had a little more capacity but I guess for what it's designed for, it works great. Same rugged design you'd expect from Dark Energy. Oh also, the logo is the power button. I missed that at first but customer support was great to help me out!

Only charges for up to two hours on iphone or iPad mini. Customer service is terrible sent an email wondering if the Nano was defective and they have never replied. I future plans of purchasing the larger battery and solor charger, now i will be lookong for an alternative.

Hi Steven, thank you for the review! We did receive your email on May 11 and replied that same night. Could our reply have gone to spam? The Poseidon Nano is a 3000 mAh battery, meaning that it will give you about 50-80% charge. It's designed to be an EDC that gives you an extra hour or two on your phone. Sounds like maybe the Poseidon Pro (10k mAh) might be a better fit for you! Please reach out to us via email and we can see what we can do for you!

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