Short answer: the BIIIG STIIIZY battery is a 550mAh rechargeable vape pen that powers STIIIZY-style magnetic pods. It is draw-activated, so there is no button — you just inhale. It outputs 3.3–3.5V, charges over micro-USB, has a zinc-alloy body, and comes in five colors. Pods are sold separately. At MedPlex it's $15, against the $29.99 it commonly sells for elsewhere.

That's the whole thing in a paragraph. Below is everything else worth knowing before you buy one — how the magnetic pod connection actually works, how it differs from the original STIIIZY battery and from a 510-thread pen, how to charge it without killing it, and which of the five colors is in stock.

STIIIZY battery specs at a glance

How the magnetic pod connection works

This is the part that trips up people coming from a standard 510-thread vape pen, so it's worth being precise about.

A 510 battery has a threaded connection — you screw the cartridge in, metal contact meets metal contact, and the thread holds it there. A STIIIZY battery doesn't thread. The pod drops into an open bay at the top of the device and is held by a magnet, with the electrical contacts making connection through that same seat.

What that means in practice:

• Insertion is instant. Drop the pod in and it self-seats. No aligning threads, no cross-threading, no over-tightening.
• Swapping strains takes a second. Pull one pod, drop another in. This is the main reason people run a pod system instead of carts — if you keep an indica and a sativa going at once, the switch is frictionless.
• The connection depends on a clean seat. Because contact is by pressure and magnetism rather than a screw thread, debris or residue in the bay is the single most common cause of a pod that won't fire. Wipe the contacts.
• Pods sit flush. The pod nests inside the housing rather than sticking out on a thread, which is why the whole device stays pocketable.

Compatibility note: the BIIIG works with STIIIZY-format pods, including pods sold from March 2021 onward. It does not accept 510-thread cartridges — those need a 510 battery instead.

Draw-activated: there is no button

The BIIIG has no fire button. There is nothing to click five times, nothing to hold down while you inhale, and no way to accidentally fire it in your pocket.

You inhale, an airflow sensor detects the draw, and the battery delivers power for as long as you're pulling. Stop pulling and it cuts off.

Two practical consequences:

It's the easiest format for a beginner. No button timing to learn. If you've ever taken too long a button-held hit and scorched a cartridge, draw activation removes that failure mode entirely.

Draw length controls your hit, not voltage. There's no variable-voltage dial on this device — output is fixed at 3.3–3.5V. That's a deliberate design choice: pod hardware is matched to that range, so a short pull gives you a small hit and a long pull gives you a big one. Simplicity over adjustability.

Why 550mAh matters

The number is the point of the name. 550mAh is roughly double the capacity of the standard-size STIIIZY battery, which is why STIIIZY calls this one BIIIG.

In real terms, capacity buys you three things:

1. More sessions between charges. Fewer trips to the cable, and a device that survives a full day out.
2. More consistent hits as it drains. Small-capacity batteries sag noticeably toward the end of a charge — the last few pulls get weak. A larger cell holds its output steadier for longer.
3. A better hedge against forgetting your charger. The practical argument for the bigger pen is that you think about charging less often.

The tradeoff is size and weight. The BIIIG is a bigger, heavier device than the standard STIIIZY. If absolute pocket discretion is your priority, the smaller one still wins.

Charging your STIIIZY battery without wrecking it

The BIIIG charges over micro-USB with the cable included in the box. A few rules that materially extend how long the battery lasts:

• Don't leave it charging overnight. Roughly 30 minutes to an hour is the window. Continuous charging after the cell is full is one of the fastest ways to shorten a vape battery's life.
• Don't leave it in the heat. A hot car dashboard will drain the cell and can short it. This is the most common way people kill these devices.
• Keep the pod bay clean. Debris on the contacts causes weak hits, intermittent firing, and pods that seem dead but aren't.
• Charge before it's fully flat. Lithium cells prefer partial cycles to being run to zero repeatedly.

If a pod isn't firing, the fix is almost always mechanical rather than electrical: pull the pod, wipe the contacts on both the pod and the battery bay, reseat it, and try again on a charged battery.

The five STIIIZY battery colors

All five are the identical device — same 550mAh cell, same 3.3–3.5V output, same draw activation, same magnetic pod bay, same $15. The only difference is the finish. Pick whichever one you'll actually recognize as yours when three of them end up on the same table.

Black — the default

The one most people reach for. Matte black hides fingerprints and scuffs better than any other finish here, and it's the least conspicuous of the five if you'd rather the device not announce itself.
→ Shop the BIIIG STIIIZY Battery in Black

Blue

The most popular color after black. Bright enough to spot immediately in a bag or a drawer, dark enough not to look like a toy.
→ Shop the BIIIG STIIIZY Battery in Blue

Orange

The highest-visibility option in the lineup. If your actual problem is losing your pen — in a bag, under a couch cushion, on a crowded table — this is the practical answer to it.
→ Shop the BIIIG STIIIZY Battery in Orange

Gold

The one people buy as a gift, or because they want the device to look like an object rather than a gadget. The zinc-alloy chassis carries a metallic finish better than plastic-bodied pens do.
→ Shop the BIIIG STIIIZY Battery in Gold

Red

The boldest of the five and usually the first to sell out. Same reasoning as orange — visibility — with a slightly less loud finish.
→ Shop the BIIIG STIIIZY Battery in Red

See all five colors and current stock →

What if you have 510-thread carts instead of pods?

A STIIIZY battery only takes STIIIZY-format pods. If what you actually own is a standard threaded cartridge, you need a 510 battery, and there are two on the same page:

• iKrusher Bilo Digital, 400mAh, $18 — soft-touch body with a digital display and NFC app connectivity for checking charge level.
• iKrusher S3 Digi, 400mAh, $22 — stainless steel, button-activated, with a dial for variable voltage from 3.3V to 4.3V. Pick this one if you want control over how hot your cart runs.

The tradeoff between the two systems is straightforward: pods are faster to swap, 510 carts give you far more product choice. Neither is better in the abstract; it depends which hardware your oil comes in.

Frequently asked questions about STIIIZY batteries

Does the BIIIG STIIIZY battery have a button?
No. It's draw-activated. Inhale and it fires; stop and it cuts off. There's nothing to press.

How many mAh is the BIIIG STIIIZY battery?
550mAh, rechargeable — roughly double the standard STIIIZY battery.

What voltage does it run at?
3.3–3.5V, fixed. There's no adjustment dial on this model.

Does a STIIIZY battery come with a pod?
No. Pods are sold separately. The box contains the battery and a USB charging cable.

What kind of charger does it use?
Micro-USB. The cable is included.

Will 510-thread cartridges fit a STIIIZY battery?
No. STIIIZY uses a magnetic pod bay, not a 510 thread. For threaded carts you need a 510 battery.

How long should I charge it?
About 30 minutes to an hour. Don't leave it on the charger overnight — that shortens the cell's life.

Why isn't my pod hitting?
Nearly always a contact problem, not a dead device. Remove the pod, wipe the contacts on both the pod and the battery bay, reseat it, and try again on a charged battery.

Which STIIIZY battery color is best?
They're mechanically identical, so it's purely aesthetic. Black is the most discreet, orange and red are the easiest to find when you misplace it.

How much should a STIIIZY battery cost?
The BIIIG typically retails around $29.99. MedPlex sells all five colors at $15.

The short version

If you're running STIIIZY-format pods and you want the battery that requires the least thought, the BIIIG is it: no button, no voltage settings, no threading, roughly twice the runtime of the standard pen, and a magnetic bay that swaps pods in about a second. The five colors are the same device — buy the one you'll spot fastest.

Shop all STIIIZY batteries and vape pens →
Shop compatible THC pods →

MedPlex is an independent retailer. We are not affiliated with, authorized by, or endorsed by STIIIZY; product names and trademarks are the property of their respective owners and are used here to identify the hardware described. Batteries and pods are sold separately. Must be 21+ to purchase. Keep vape hardware away from heat and out of reach of children and pets.