Best Cart Batteries Under $25: Budget Picks That Actually Work

Best Cart Batteries Under $25 in 2026 (Tested & Ranked)

You don’t need to spend $40 or $50 to get a great cart battery. Some of the best-performing 510 batteries on the market right now cost less than $25 — and a few of our top picks come in under $10.

We tested and compared every budget cart battery in our inventory to find the ones that actually deliver. No filler picks, no discontinued products, no batteries we wouldn’t use ourselves. Every battery on this list is in stock right now and ships fast.

Here’s what made the cut.

Table of Contents

1. How We Picked These Batteries
2. Quick Comparison Table
3. 1. Yocan Kodo Star — Best Overall ($19.99)
4. 2. Airis 350mAh VV — Best Budget ($9.99)
5. 3. Airis Mystica 2 — Best Stealth ($9.99)
6. 4. Pulsar DL 5.0 — Best Screen Battery ($24.99)
7. 5. Yocan Uni 3.0 — Best Universal Fit ($24.99)
8. 6. Cartisan Pro Pen 650 — Best Pen-Style ($16.99)
9. 7. CCELL Stylo — Best Auto-Draw ($9.99)
10. 8. Ooze Duet — Best Dual-Cart ($24.99)
11. How to Choose the Right One
12. What to Avoid Under $25
13. FAQ

---

How We Picked These Batteries

There are dozens of cart batteries under $25. Most are fine. Some are great. A few are junk that’ll break in a week. Here’s what we looked for when putting this list together:

Build quality: Does it feel solid or cheap? Metal bodies ranked higher than plastic. Brands with established reputations ranked higher than unknowns.

Features per dollar: A $10 battery with variable voltage and USB-C beats a $20 battery with fixed voltage and micro-USB. We looked at what you actually get for the price.

Real-world performance: Consistent hits, reliable connections, batteries that actually last as long as the mAh rating suggests. We compared advertised specs against how these batteries perform during daily use.

Charging speed and port type: USB-C is the standard in 2026. Batteries still using micro-USB got dinged. Fast charging matters when you’re waiting to vape.

Customer feedback: We weigh our own testing against what customers actually say after weeks of ownership — not just first impressions.

Every battery on this list is from a brand we trust (Yocan, CCELL, Airis, Ooze, Pulsar, Cartisan), is in stock at time of writing, and uses standard 510 threading for universal cart compatibility.

---

Quick Comparison Table

Battery	Price	mAh	Voltage	Preheat	Charging	Best For
Yocan Kodo Star	$19.99	400	1.8–4.2V	✅	USB-C	Overall value
Airis 350mAh VV	$9.99	350	3 levels	✅	USB-C	Budget buyers
Airis Mystica 2	$9.99	450	3.4–4.0V	✅	Micro-USB	Stealth/concealment
Pulsar DL 5.0	$24.99	1,000	1.8–4.2V	✅	USB-C	Screen + battery life
Yocan Uni 3.0	$24.99	650	1.8–4.2V	✅	USB-C	Universal cart fit
Cartisan Pro Pen 650	$16.99	650	Variable	✅	USB-C	Classic pen style
CCELL Stylo	$9.99	350	2.4–3.2V	❌	USB-C	Simple auto-draw
Ooze Duet	$24.99	650	2.0–4.0V	✅	USB-C	Dual carts

---

1. Yocan Kodo Star — Best Overall ($19.99)

Shop Yocan Kodo Star →

The Kodo Star is the battery we recommend most in the under-$25 range, and it’s not particularly close. It packs an OLED screen with a gorgeous galaxy animation, precise 0.1V voltage adjustment from 1.8V to 4.2V, a 10-second preheat function, and both auto-draw and button activation — all in a palm-sized body that handles carts up to 2G and beyond.

At $19.99, nothing else in this price range gives you this combination of features. The OLED screen alone sets it apart from batteries costing twice as much. You always know your exact voltage, battery level, and session timer at a glance.

What we like: Galaxy OLED display, 0.1V precision voltage control (1.8–4.2V), handles 2G+ carts, auto-draw and button activation, 10-second preheat, compact palm-sized design, USB-C charging.

Trade-offs: The 400mAh battery means heavy users will charge daily. If you need all-day battery life, look at the Pulsar DL 5.0 (1,000mAh) instead.

Best for: Anyone who wants the most features for the money. Works great as a first battery or an upgrade from a basic pen.

Want the technical breakdown on how voltage affects your hits? See our variable voltage guide.

---

2. Airis 350mAh VV — Best Budget ($9.99)

Shop Airis 350mAh VV →

At $9.99, the Airis 350mAh is the best value cart battery you can buy. Period. It gives you variable voltage (3 levels), a preheat function, USB-C charging, and a sleek pen-style design — features that you’d normally expect in a $20+ battery.

The pen-style body is slim and lightweight, making it easy to pocket and completely natural to hold. Click the button 3 times to cycle between voltages and 2 times to activate preheat. Simple and effective.

What we like: Incredible value at $9.99, variable voltage with 3 settings, preheat function, USB-C fast charging, slim pen design, available in multiple colors.

Trade-offs: The 350mAh capacity means you’ll charge more often — light users get a full day, but moderate-to-heavy users will need to charge mid-day. No screen, so you rely on LED colors for voltage feedback. Cart is exposed (no concealment).

Best for: Budget-conscious buyers, first-time users who don’t want to invest much, or anyone who wants a reliable backup battery. Also great for buying in bulk.

Not sure what mAh you need? Our mAh size guide breaks down battery life by usage level.

---

3. Airis Mystica 2 — Best Stealth ($9.99)

Shop Airis Mystica 2 →

The Mystica 2 is one of the most popular cart batteries we’ve ever sold — and it’s easy to see why. For under $10, you get full cartridge concealment in a palm-sized box that hides your cart completely inside the body. The built-in oil viewing window lets you check your level without removing anything.

It comes with two magnetic adapters (for 0.5mL and 1mL carts), three voltage settings (3.4V, 3.7V, 4.0V), and a 15-second preheat function. The 450mAh battery is solid for its size, and the compact dimensions (just over 2 inches wide) mean it disappears in the palm of your hand.

What we like: Full cart concealment, oil viewing window, magnetic adapters included (0.5mL + 1mL), 3 voltage settings, 15-second preheat, ultra-compact design, $9.99 price point.

Trade-offs: Uses micro-USB charging (not USB-C). Cart diameter limited to 11.5–12mm, so oversized 2G carts won’t fit. The 450mAh battery is decent but not all-day for heavy users.

Best for: Anyone who wants discretion on a budget. Perfect for public use, travel, or situations where you don’t want your cart exposed. One of our all-time bestsellers.

Want more concealment options? See our full stealth battery collection.

---

4. Pulsar DL 5.0 — Best Screen Battery ($24.99)

Shop Pulsar DL 5.0 →

If you want a digital screen with all-day battery life, the Pulsar DL 5.0 is hard to beat at $24.99. The LCD display shows your current voltage, battery level, and puff count in real time. Combined with a massive 1,000mAh battery, precision variable voltage (1.8–4.2V), and auto-draw activation, it delivers a premium experience at a budget price.

The concealed design fully hides your cartridge inside the body, which also protects it from drops and damage. It fits most carts up to 2mL capacity and 14mm diameter. USB-C charging keeps downtime short.

What we like: LCD screen with voltage/battery/puff count, massive 1,000mAh battery for all-day use, precision voltage (1.8–4.2V), auto-draw activation, full cart concealment, USB-C charging, fits 2G carts.

Trade-offs: Slightly bulkier than smaller palm-style batteries due to the large battery. No button activation (auto-draw only). Looks like a disposable vape bar, which is stealthy in public but may not appeal to everyone aesthetically.

Best for: Heavy users who need all-day battery life with the convenience of a screen. Great for people who are tired of guessing their battery level or voltage setting. See all our batteries with screens.

---

5. Yocan Uni 3.0 — Best Universal Fit ($24.99)

Shop Yocan Uni 3.0 →

The Uni 3.0 solves one of the most common cart battery frustrations: compatibility. Its adjustable height (up to 42mm) and width (up to 16mm) mechanism fits virtually any 510 cart made — from slim 0.5mL pens to chunky 3–4G monsters. If you use multiple cart sizes or switch brands often, this is the battery that won’t let you down.

Beyond the universal fit, it features a massive 1.9-inch HD animated screen (with fun character animations), precision 0.1V voltage control from 1.8V to 4.2V, preheat function, and a solid 650mAh battery. The cartridge sits concealed inside the body for stealth.

What we like: Truly universal cart fit (up to 16mm wide, 42mm tall), 1.9″ HD animated screen, precision 0.1V voltage (1.8–4.2V), preheat, 650mAh all-day battery, full cart concealment, USB-C charging.

Trade-offs: Slightly larger footprint than simpler batteries. The animated screen is fun but may drain battery a touch faster. Steeper learning curve than a basic pen if you’ve never used a box-style battery.

Best for: Users who own multiple cart sizes or frequently try new brands. Also excellent for large 2G+ carts thanks to the wide adjustable fit. See our full 2G cart battery collection.

---

6. Cartisan Pro Pen 650 — Best Pen-Style ($16.99)

Shop Cartisan Pro Pen 650 →

If you prefer the classic pen-style form factor but want more battery life than the typical 350mAh pen, the Cartisan Pro Pen 650 is the sweet spot. The 650mAh capacity means genuine all-day use for most people — roughly double what you’d get from a standard pen battery.

It’s a Cartisan product, which means solid build quality and reliable performance. Variable voltage and preheat come standard, and USB-C charging keeps things modern. The slim pen design is familiar and easy to use: click 5 times on/off, 3 times to cycle voltage, 2 times for preheat.

What we like: 650mAh in a pen body (rare at this price), variable voltage, preheat, USB-C charging, trusted Cartisan brand, slim familiar design.

Trade-offs: No screen — you’ll rely on LED colors for voltage and battery feedback. Cart is exposed (no concealment). Standard pen form factor means it can roll off surfaces.

Best for: Users who like the simplicity and feel of a pen-style battery but want enough power to last all day without charging. A reliable workhorse at a fair price. Check out more Cartisan products.

---

7. CCELL Stylo — Best Auto-Draw ($9.99)

Shop CCELL Stylo →

CCELL makes some of the most trusted vape hardware in the industry, and the Stylo brings that reliability to the $9.99 price point. It’s auto-draw activated (no buttons), offers three voltage levels (2.4V, 2.8V, 3.2V), and features a built-in oil viewing window so you can check your cart level easily.

The body is made from impact-resistant thermoplastic polymer, making it surprisingly tough for its price. It fits 510 carts up to 14mm diameter — including most 2G carts — and charges via USB-C.

What we like: CCELL brand reliability, auto-draw activation (no buttons to learn), 3 voltage settings, oil viewing window, fits carts up to 14mm diameter, impact-resistant body, USB-C, $9.99 price.

Trade-offs: No preheat function. The 350mAh battery will need daily charging for regular users. The lower voltage range (maxes at 3.2V) means smaller clouds — but honestly, that range is ideal for flavor and cart longevity.

Best for: Beginners who want zero learning curve (just inhale), CCELL fans on a budget, and flavor chasers who prefer lower-voltage hits. Browse all CCELL batteries.

New to cart batteries? Our complete beginner’s guide explains everything in plain language.

---

8. Ooze Duet — Best Dual-Cart ($24.99)

Shop Ooze Duet →

Want to use two carts at once? The Ooze Duet fits two 510 cartridges simultaneously in a concealed, pocket-sized body. The IntelliSwitch on the bottom lets you choose left cart, right cart, or both at the same time. Each side has its own airflow control switch, so you can fine-tune the draw for each cart independently.

The digital screen shows battery percentage, voltage level, and connection status. Variable voltage runs from 2.0V to 4.0V across five settings, and the 650mAh battery handles dual-cart use throughout the day. USB-C charging with pass-through means you can vape while it’s plugged in.

What we like: Dual 510 threads for two carts simultaneously, IntelliSwitch controls (left/right/both), independent airflow per cart, digital screen, variable voltage (2.0–4.0V), 650mAh battery, full concealment, pass-through charging, USB-C.

Trade-offs: Larger than single-cart batteries. Charging cable not included (USB-C). The 650mAh can drain faster when running both carts simultaneously. Dual-cart is overkill if you only ever use one cart at a time.

Best for: Users who switch between strains or flavors frequently, social vapers who share, or anyone who wants CBD in one slot and THC in the other. See all dual cart batteries.

---

How to Choose the Right One

Still not sure? Here’s a quick decision guide based on what matters most to you:

If you want the absolute cheapest option that’s still good: Airis 350mAh VV ($9.99) or CCELL Stylo ($9.99). Both deliver far more than their price suggests. Choose the Airis if you want a button and preheat; choose the Stylo if you prefer auto-draw and CCELL’s build quality.

If you want the best features for the money: Yocan Kodo Star ($19.99). OLED screen, precise voltage, preheat, auto-draw + button, 2G compatible. It’s the best-value battery in our entire store.

If discretion is your priority: Airis Mystica 2 ($9.99). Conceals your cart completely for under ten bucks. Or the Pulsar DL 5.0 ($24.99) if you want concealment with a screen and all-day battery.

If battery life matters most: Pulsar DL 5.0 ($24.99) at 1,000mAh, or Cartisan Pro Pen 650 ($16.99) if you prefer a pen shape.

If you use large 2G+ carts: Yocan Uni 3.0 ($24.99). Its adjustable width and height fit any cart on the market.

If you want two carts at once: Ooze Duet ($24.99). Nothing else in this price range offers true dual-cart with independent controls.

---

What to Avoid Under $25

Not every cheap battery is a good deal. Here’s what to watch out for when shopping on a budget:

No-name brands under $5: If a battery costs less than $8 from a brand you’ve never heard of, it almost certainly cuts corners on safety features like overcharge protection and short circuit prevention. The savings aren’t worth the risk.

Batteries with no reviews: Established brands like CCELL, Yocan, Airis, Ooze, Pulsar, and Cartisan have thousands of verified reviews. If a product has zero reviews, there’s no way to know if it actually works as advertised.

Micro-USB in 2026: USB-C charges faster and is more durable. Most new batteries have made the switch. Unless you’re getting a genuinely great product at a steep discount (like the Mystica 2), look for USB-C.

Fixed voltage with no preheat: Even at the $10 price point, you can get variable voltage and preheat (the Airis 350mAh VV proves it). Don’t settle for a battery that can’t adapt to different oil types or handle thick concentrates.

Proprietary threading: Every battery on this list uses standard 510 threading, which works with 99% of oil cartridges. Avoid any battery that uses a proprietary connection — you’ll be locked into one brand’s ecosystem.

Already own a battery that’s giving you trouble? Check our troubleshooting guide before buying a replacement — it might be a simple fix.

---

---

Frequently Asked Questions

Q: Is a $10 cart battery really worth buying?

A: Absolutely — if it’s from a reputable brand. The Airis 350mAh VV, Airis Mystica 2, and CCELL Stylo all retail at $9.99 and include features like variable voltage, preheat, and USB-C that you’d expect in pricier models. The key is buying from trusted brands — not random unbranded batteries from unknown sellers.

Q: What’s the biggest difference between a $10 and a $25 battery?

A: Usually battery capacity and screen display. A $10 battery like the Airis 350mAh gets you core features (variable voltage, preheat, USB-C) in a smaller capacity. A $25 battery like the Pulsar DL 5.0 adds a digital screen, 1,000mAh battery for all-day use, and premium build materials. Vapor quality from both is comparable — you’re paying for convenience features, not better hits.

Q: Will these batteries work with any cart?

A: Yes — every battery on this list uses standard 510 threading, which is compatible with 99%+ of oil cartridges (THC, CBD, Delta-8, etc.). The only exceptions are proprietary pod systems like JUUL, PAX Era, or Stiiizy, which use their own connections. If your cart screws on, it’s 510. For more on this, see our cart battery vs 510 battery explainer.

Q: Which battery from this list handles thick oils best?

A: Any battery with preheat and low-voltage options works well with thick oils. Our top picks for thick concentrates are the Yocan Kodo Star (precise voltage down to 1.8V + preheat) and the Yocan Uni 3.0 (same voltage range plus universal cart fit). See our dedicated best battery for thick oils guide for more recommendations.

Q: How long do these batteries last before I need to replace them?

A: A quality cart battery typically lasts 300–500 charge cycles, which translates to 6 months to 2+ years depending on how heavily you use it. The brands on this list (Yocan, CCELL, Airis, Ooze, Pulsar, Cartisan) are all known for durability. Signs it’s time to replace: won’t hold a charge, inconsistent heating, or physical damage. For maintenance tips to extend your battery’s life, see our charging guide.

Q: Should I buy the cheapest option or spend more?

A: Depends on your usage. If you vape a few times a week, a $9.99 battery is plenty. If you vape daily and want a screen, long battery life, or stealth features, spending $20–25 gets you meaningful upgrades. The jump from $10 to $20 is the biggest quality leap. Above $25, you’re mostly paying for aesthetics, brand prestige, or specialty features like dual carts.

Q: Can I use my phone charger with these batteries?

A: If your battery has USB-C (most on this list do) and your phone charger is USB-C, it will physically connect. However, it’s always safest to use the included cable or a standard 5V charger. Avoid fast-charge wall adapters rated above 5V, as they can potentially damage smaller batteries. For full charging safety advice, see our charging guide.

---

Continue Learning

• Complete Guide to Cart Batteries for Beginners
• 510 Thread Battery Technical Guide
• Cart Battery mAh Size Guide
• Best Voltage for THC Carts
• Cart Battery Not Working? Troubleshooting Guide
• Best Cart Batteries 2026: Full Reviews

---

Last Updated: February 2026

All products listed are in stock at time of publishing. Prices may vary. These products are for adults 21+ only. Follow all local laws regarding cannabis and vaping products.

Discount Vape Pen is committed to honest, unbiased product recommendations. We test everything we sell.

 

Written by Marc Pitts

Marc is the CEO of Discount Vape Pen and has spent over 11 years in the vape industry. He began his career owning and operating brick-and-mortar vape shops, giving him hands-on experience with both products and customer needs. A Kean University graduate from Westfield, NJ, Marc combines retail expertise with a deep understanding of the evolving vaping landscape.

Outside of work, Marc loves cooking Italian food, swimming, playing tennis, and attending Broadway shows — a true theater kid at heart. Meet all our Discount Vape Pen Authors here.