Slide 1 of 5: The Penjamin ECO battery standing upright, an ECO refill beside it
Penjamin ECO
The reusable battery for ECO refills
Loaded with an ECO refill, it hits.
How many batteries?
Add refills
Pick as many flavours as you like. The more refills, the lower the price.
- 3+ refills−20%€30.40 each
- 5+ refills−30%€26.60 each
- 10+ refills−40%€22.80 each
- Lemon HazeZesty3
- Pure Weed TerpenesEarthy
- Strawberry DieselTangy
Card, Apple Pay, Google Pay, bank transfer, crypto
Penjamin ECO is the part you keep. Insert an ECO refill, set your voltage and let the screen count your puffs. When the refill is empty, swap it and carry on. Refills are sold separately, in eight flavours, with the same blend as Penjamin 3.0.
How to use
- 01Insert an ECO refill and power on the battery
- 02Set your voltage, and use preheat for a smooth start
- 03When the refill is empty, replace it with a new one
Details
- Works with
- ECO refills
- Screen
- Puff counter
- Voltage
- Adjustable
- Preheat
- Yes
- Battery
- Rechargeable
- Use
- Reusable
It hits.
Insert an ECO refill: the same blend as Penjamin 3.0, designed to feel close to THC.
Keep the battery. Swap the refill.
ECO is two parts: a battery you keep and a refill you swap, in 8 flavours. They are sold separately, so you only pay for the part you need.
01
Get the battery
The ECO battery is the part you keep. It is rechargeable and stays with you from refill to refill.
02
Set it up your way
Pick your voltage, use preheat for a smooth start, and let the screen count your puffs.
03
Swap when it's empty
Replace the empty refill with a new one, in the same flavour or a different one.
What fits what
- FitsECO refill + ECO batteryMade for each other. Every flavour fits the same battery.
- Does not fitECO refill in a Penjamin 3.03.0 is an all-in-one pen, filled and ready. It takes no cartridge and cannot be refilled.
- Does not fitECO refill in a Penjamin Duo or 2.1Those are pens of their own. Refills are made for the ECO battery only.
- Does not fitECO refill on a 510 or other batteryRefills are made for the ECO battery only.
ECO or Penjamin 3.0?
The same blend either way. ECO splits the pen into a battery you keep and a refill you swap.
| ECO | 3.0 | |
|---|---|---|
| What you get | A battery and refills, sold separately | One all-in-one pen |
| The blend | The same as 3.0 | The same as ECO |
| When it's empty | Swap the refill, keep the battery | The pen is finished |
| Flavours | Eight | Eight |
| Puff counter | Yes | Yes |
| Adjustable voltage | Yes | Yes |
| Less waste | Yes, the battery stays | No, the whole pen goes |
Penjamin 3.0 is sold out right now. ECO refills hold the same blend and are in stock.
Pick ECO if you want to keep the battery, pick a new flavour with every refill and throw away less.
What you're buying
Only the facts we can stand behind.
- You get
- One Penjamin ECO battery
- Sold separately
- ECO refills, in eight flavours
- Works with
- ECO refills only
- Connection
- Leak-proof cartridge connection
- Screen
- Puff counter
- Voltage
- Adjustable
- Preheat
- For a smooth start
- Battery
- Rechargeable
- Shipping
- Plain, discreet packaging, tracking email on dispatch
Get it in a bundle
The ECO battery together with refills and other favourites.
Penjamin ECO Pack
- 1x Penjamin ECO
- 3x Penjamin ECO Refill
- 10x Super Silver Haze Broad Spectrum
Already 354+ batteries out in the world.
ECO joined the shop in March 2026. Here is what has shipped since, bundles included.
- Batteries shipped since March 2026
- 354+
- Refills shipped since March 2026
- 1,873+
- Flavours for one battery
- 8
What our customers are saying
Reviews of our shop on Trustpilot
Don't just take our word for it
Real customers, real reviews — straight from the community.
Refillable, clean, and it just works. Switching to the Penjamin ECO was so easy.
Shop Penjamin ECO
Obsessed with the Tequila Sunrise — smells incredible and the effect is so smooth.
Shop Tequila Sunrise
The Penjamin 3.0 is unreal — the screen counts every puff and it hits perfectly every time.
Shop Penjamin 3.0
Two chambers in one pen is genius. The Penjamin Duo is the only vape I carry now.
Shop Penjamin Duo
I roll a joint at night and it helps me sleep — Super Lemon Haze is my go-to, and it's made to EU standards.
Shop Super Lemon HazeThe flavours are unreal and the device is so easy to use — Weedorizers is the real deal.
Shop Penjamin 3.0Questions, answered
Still unsure? Ask us in the chat, bottom right.
Does the battery come with a refill?
What goes in it?
Can I use it with a Penjamin 3.0?
Why would I buy this instead of a 3.0?
How do I use it?
Is it rechargeable?
Is shipping discreet, and how fast is it?
What if something is wrong with my order?
Is it legal where I live?
Please note
For adults 18+ only.
- Keep out of reach of children and pets.
- Please check the rules in your country before you order.
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