Hopen saltwater lamp glowing blue-green LED light on dark background

ホーペン塩水ランプ – 緊急時やアウトドア用のポータブルエコLEDライト

$29.99
$29.99 $39.99
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Hopen saltwater lamp glowing blue-green LED light on dark background
  • Hopen saltwater lamp glowing blue-green LED light on dark background
  • Hopen Saltwater powered lamp glowing in dark emergency lighting
  • Hopen Portable eco LED candle lamp powered by saltwater
  • Hopen salt water candle lamp lifestyle product shot
ホーペン塩水ランプ – 緊急時やアウトドア用のポータブルエコLEDライト
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ホーペン塩水ランプ – 緊急時やアウトドア用のポータブルエコLEDライト

$29.99
$29.99 $39.99
各アイテムにつき$29.99
Portable Capsule Lamp

The Portable Saltwater Capsule Light runs on aluminum and saltwater — no batteries, no wires, no stress.It’s bright, eco-friendly, and built for blackouts, camping trips, or off-grid adventures. No charging needed — just salt, water, and smart science working together. Who knew sustainable living could shine this bright?
How to Use the Portable Capsule Lamp

Just add saltwater, wait for the magic to settle, and drop in the aluminum plate— that’s it!
Enjoy up to 200 hours of bright, eco-powered light.Science never looked this cool — or this bright!
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Manufacturing

Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.

Portable light for wherever the grid can’t reach.

Simple prep tips most people miss.

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Never Feel Powerless 
in Emergencies Again

Stay powered anywhere with a reliable, long-lasting energy source fueled by just saltwater—no batteries, no charging.

  • Versatile Emergency Lighting

    The Capsule Light provides hours of illumination in the dark using just a few drops of fresh water or rainwater.

  • Instant Activation

    Power in 10 seconds. Because in an emergency, every second counts — and this is the backup you can rely on.

  • Extended lighting

    With up to 180 hours of steady light per activation, it’s built for off-grid adventures, emergency kits, or everyday peace of mind.

  • Sustainable Green Innovation

    Powered by saltwater and a recyclable energy core, this lamp generates zero waste and relies on nothing but safe, natural materials — a truly sustainable light source.

  • Replaceable power module

    Quickly exchange the rechargeable energy module to renew its charge — keeping your device running for years while producing zero electronic waste

Feel the Superior Saltwater Powered Lamp

See how Hopen Saltwater Powered Lamp outperforms standard lamps

Traditional Battery Lamp
Hopen Portable eco LED candle lamp powered by saltwater

 ⭐️Saltwater Lamp

Solar Lamp
Grid Dependence Requires battery purchase or charging ✅Fully independent, use it anywhere anytime Weather dependent, not stable
Water resistance Battery contacts vulnerable to moisture ✅Simple structure, easy to waterproof Circuit boards vulnerable to water
Extreme temperature performance Severe degradation in cold ✅Works from -20°C to 50°C Battery affected by heat/cold
After 10 years of storage? Leaked, corroded, completely dead ✅ Like new — add water and it works Battery degraded, reduced capacity

Saltwater Powered Capsule Lamp

Discover the Hopen Saltwater Lamp Advantage

台风停电场景 - 盐水灯

Power Outage？

Works in all weather conditions, unaffected by rain or cloudy seasons.
徒步背包挂灯场景

Hiking in Mountain?

No heavy batteries to carry — just 200g dry. Activate with water at your campsite
冰天雪地场景 - 盐水灯

Low Temperature?

Rated to operate at temperatures as low as -20°C / -4°F.
家庭急救包场景 - 盐水灯

Emergency KIt?

A must-have for any emergency kit. Lasts 5–10 years in storage.
海上钓鱼场景 - 盐水灯

Work or Play in the sea?

Zero burden for marine industries and water sports. Just use seawater — it lights up instantly.

Experience grid-free lighting.

All-weather reliable. Worry-free travel.

薄荷绿盐水灯户外场景图
We’ve been there... Trapped in a downpour with no umbrella or shelter, shivering under a thin tree during a sudden storm, or caught on a hike without a single dry layer. It’s miserable, exhausting, and sometimes even risky.
薄荷绿盐水灯溪边徒步场景
That’s why we developed the Emergency LED Lantern. Because we understand the real fear of being left in total darkness—literally—when you need light the most. Just like our customers who’ve shared their close calls, we know the importance of having areliable light source that works instantly, lasts for hours, and never lets you down when the world goes dark.

Saltwater Powered Capsule Lamp

Feel Incredible

Every Trip With Hopen

露营氛围场景2 - 盐水灯 山地露营帐篷场景 - 盐水灯 防水场景 - 盐水灯

Never Runs Out of Power

No grid. No solar. No pre-charging. Just salt and water. Hurricanes, blizzards, weeks of clouds — this lamp works in any weather, anytime. You're not relying on the grid or the sky. You're relying on the simplest things in your kitchen.

Infinite Runtime

Not a disposable product. When the magnesium bar is fully consumed, unscrew the bottom cap, remove the old bar, insert a new one, add salt water — your lamp is as good as new. One bar used up? Swap it. Another 100 hours of light.

Minimal Maintenance

After extended use, a small amount of white precipitate (magnesium hydroxide — completely non-toxic) may accumulate in the reaction chamber. Simply pour out the old water, rinse with clean water, and add fresh salt water. The whole process takes less than 30 seconds. No tools. No technical skills.

What Our Customers Are Saying

Real stories from people who’ve transformed their lives with reliable, sustainable energy solutions.

What's In The Box

1 × Portable Saltwater Capsule Light 

2 × Aluminum Alloy Energy Blocks (replaceable power sources)

1 × Instruction Manual

Saltwater Powered Capsule Lamp

Use Your Lamp in Minutes

Using the Portable Emergency Power Lamp is simple and fast — get dependable power anytime, anywhere in just moments.
深色背景盐水灯加水场景

Step 1: Add Salt & Water

Unscrew the bottle body. Add 4–15g of table salt or industrial salt. Then fill with clean water or seawater, making sure the water level does not exceed the maximum line.

Step 2:Power On

Press the power switch to turn on the light — it will begin generating electricity in just seconds.
manual

Be Ready for Anything

Why Hopen?

  • Traditional generators? Too expensive, too heavy, too unreliable.
  • We believe reliable power should be simple.

How It Works:

  • Add saltwater → Instant energy
  • Power lights & devices → Zero charging needed
  • Eco-friendly → No fumes, no waste

Take control of your power. Wherever. Whenever.

Hopen Saltwater powered lamp glowing in dark emergency lighting
盐水灯顶部发光户外场景

Power You Can Trust, Anytime, Anywhere

The Portable Saltwater Power Capsule — an essential choice for emergency power. Powered by saltwater, it's practical and eco-friendly. Whether you're on an outdoor adventure or facing a home blackout, it's got you covered. Quick to activate, long-lasting, and built tough. Perfect for camping or everyday home use — bringing you peace of mind when it matters most. Embrace sustainable energy and say goodbye to the dark!

Got Questions?

Frequently Asked Questions

What to find out more? Chat with us on Whatsapp

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Product Functionality

How does the Portable Emergency Power Lamp work?

It uses saltwater and air flow to generate clean, sustainable energy with no need for batteries.
How long does it generate power on one fill?

You’ll get up to 5 days of continuous power from a single saltwater fill.
Can I use regular tap water instead of seawater?

Yes—just add salt to tap water to make it work.
Does it only work with table salt?

Table salt is ideal, but sea salt and other salts also work well.
Does it make any noise while working?

Not at all—it runs silently and smoothly, perfect for quiet spaces.
Do I need to clean the generator regularly?

Yes, a quick rinse and wipe every few weeks keeps it running smoothly.