510 Battery | 2.0 Variable Voltage Vape Pen
510 Battery | 2.0 Variable Voltage Vape Pen
510 Battery | 2.0 Variable Voltage Vape Pen
510 Battery | 2.0 Variable Voltage Vape Pen
510 Battery | 2.0 Variable Voltage Vape Pen
510 Battery | 2.0 Variable Voltage Vape Pen
510 Battery | 2.0 Variable Voltage Vape Pen
510 Battery | 2.0 Variable Voltage Vape Pen
510 Battery | 2.0 Variable Voltage Vape Pen
510 Battery | 2.0 Variable Voltage Vape Pen
510 Battery | 2.0 Variable Voltage Vape Pen
510 Battery | 2.0 Variable Voltage Vape Pen
510 Battery | 2.0 Variable Voltage Vape Pen
510 Battery | 2.0 Variable Voltage Vape Pen

510 Battery | 2.0 Variable Voltage Vape Pen

$30.99

Take full control of your vape sessions with the O.pen 2.0 Variable Voltage 510 Battery. This sleek and powerful vape pen battery gives you smooth draws, rich flavor, and dense vapor clouds every time. Designed for universal use, it pairs seamlessly with almost any 510 oil cartridge.

Why a Variable Voltage Battery Matters

A standard battery limits your experience. A variable voltage vape pen allows you to adjust power for flavor or vapor. Low voltage settings highlight taste, while higher voltages increase cloud production. With the O.pen 2.0, you can switch between four modes: 2.4V, 3.2V, 4.0V, and a high-powered dab mode. This range lets you find the perfect balance for your preferred style.

🌡 Adjustable Voltage Modes– Customize your session with four voltage modes for optimal flavor and vapor production. Settings include: 2.4V, 3.2V, 4.0V and Dab Mode.

👏 Universal 510 Compatibility – Works with most standard oil cartridges, making it a versatile choice for any vaping preference.

🚀 Rapid USB Charging – Our 20-minute fast-charge feature ensures minimal downtime so you can vape on the go.

✅Sleek, Durable Design – Available in multiple colors and finishes, including our Glow in the Dark edition, for a stylish, discreet look.

👄Draw-Activated  – Effortless control with auto-draw functionality, plus a preheat function.

😊 All O.pen 510-batteries come with our Friend for Life limited lifetime warranty

Why Choose the O.pen 2.0 Variable Voltage Vape Pen?

The O.pen 2.0 stands out as a top-tier 510 battery, offering both beginners and seasoned vapers the flexibility to customize their sessions. Its broad voltage range accommodates different vaping preferences, while the universal 510-thread ensures compatibility with most cartridges on the market.

Elevate your vaping experience with the O.pen 2.0 Variable Voltage 510 Battery. Explore the full range of colors and designs to find the perfect match for your style.

Note: For optimal performance, ensure your cartridges are compatible with 510-thread batteries and operate within the voltage range provided.

Explore our collection of the best 510 thread batteries

Troubleshooting

Our 510 batteries should work straight out of the box. If yours is not, these five checks fix most problems.

  1. Make sure the battery is on. Click five times; the lights at the base illuminate when it is.
  2. Make sure it is not in blue dab mode. Click twice to cycle out of it.
  3. Drawing with no vapour usually means a clog or a connection issue.
  4. Press and hold the stylus tip to preheat the cartridge. The lights blink when the preheat is done. Try drawing again.
  5. For a connection issue, lift the centre pin of the battery 1–2 mm with something small like a paperclip so it meets the cartridge.
Shipping & returns

Free shipping on orders over $50. We ship via FedEx and cannot deliver to PO boxes.

30-day returns and exchanges, plus a limited lifetime warranty. Return shipping is at the customer’s cost.

Buy it with

Free shipping over $50. Flat $5.99 otherwise.

30-day returns, no restocking fee.

Friend for Life warranty. If it stops working, we replace it.

Four different oil cartridges above a black O.pen battery, showing the 510 thread they share

universal 510-thread

A green O.pen 2.0 above a scale from 2.4 volts for flavourful draws, through 3.2 volts, to 4.0 volts and dab mode for potent draws

variable voltage (2.4V – 4.0V)

Someone in a lawn chair drawing on an O.pen with no button to press

draw activated

Three hands holding O.pen batteries together against the sky

lifetime warranty

A green O.pen on its USB charger, indicator light lit

20-minute rapid charge

  • Friend for Life warranty
  • Award-winning brand, ten times over
  • Rated 4.2 out of 5

explore the features of our best-selling 510-thread battery

interested in monitoring your dosage?

Use our handy chart.

These are estimations and can be affected by factors like battery charge level, oil viscosity and puff strength.

A person holding an O.pen and cartridge in each hand, comparing the low, medium and high settings
Puff estimation, 80% THC oil
Heat setting Draw length Mg per draw (average)
Purple low, 2.4V3 s>1
Purple low, 2.4V6 s>1
Purple low, 2.4V8 s2
Orange mid, 3.2V3 s>1
Orange mid, 3.2V6 s2
Orange mid, 3.2V8 s4
Green high, 4.0V3 s>1
Green high, 4.0V6 s3
Green high, 4.0V8 s6
Blue dab mode10 s8
Blue dab mode12 s11
A lime O.pen battery over the words O.pen since 2012

Since 2012

the o.riginal vape pen

O.pen was started in 2012 with the goal of making high quality vape pens that stood the test of time. Our 510-thread vaporizers are designed to work perfectly with THC cartridges, with ease of use top of mind, all backed by a Friend for Life warranty.

Learn more
  • 13x award winning
  • Friend for life warranty
  • O.pen since 2012
  • 13x award winning
  • Friend for life warranty
  • O.pen since 2012
  • 13x award winning
  • Friend for life warranty
  • O.pen since 2012
  • 13x award winning
  • Friend for life warranty
  • O.pen since 2012
  • 13x award winning
  • Friend for life warranty
  • O.pen since 2012

510 battery & variable voltage FAQs

What is a 510-thread battery?

A 510-thread battery is a universal vape pen battery designed to work with most vape cartridges. The “510” refers to the threading that connects the battery to the cartridge, making it one of the most widely compatible options on the market.

What does “variable voltage” mean on a vape pen?

A variable voltage vape pen allows you to adjust the battery’s output power. This controls the heat level, which affects vapor production, flavor, and intensity. It gives you more control over your vaping experience.

How do I use a variable voltage 510 battery?

Most variable voltage 510-thread batteries are activated with a button. Click the button multiple times (usually two or three) to toggle between voltage settings. Lower voltage delivers smoother hits and preserves flavor, while higher voltage gives bigger clouds and stronger effects.

What voltage should I set my vape pen to?

For most cartridges, a range between 2.4V and 4.0V works well. Distillates can handle a wider temperature range, whereas rosins should use lower voltages.

Start low if you’re new to vaping or want to taste more terpene flavor. Increase voltage for more potent hits or thicker vapor.

Are 510-thread batteries compatible with all cartridges?

510 batteries are compatible with most pre-filled and refillable cartridges on the market, as long as they have 510-thread connections, although not guaranteed. Always double-check the voltage range recommended for your cartridge.

How long does a 510 battery last?

Battery life depends on capacity (measured in mAh), usage, and voltage setting. O.pen’s batteries typically last for several days of moderate use and feature 20-minute fast-charging technology.

Can I use a 510 battery for THC or CBD cartridges?

Yes, a 510-thread battery works with both CBD and THC vape cartridges, making it a versatile option for all types of cannabis oils.

How do I know when to recharge my vape battery?

Most vape pens have indicator lights that flash or change color when the battery is low. O.pen batteries feature an easy-to-read LED indicator so you know when it’s time to recharge.

What’s the best 510 battery for beginners?

Look for a 510 battery with a simple interface, auto-draw technology, and safety features like auto shut-off. O.pen’s 1.0 and 2.0 Batteries are beginner-friendly and backed by a lifetime warranty.

Do O.pen batteries come with a warranty?

Yes! All O.pen batteries are covered by our Friend for Life lifetime warranty. If it stops working, we’ll replace it. We’ve got your back.

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