Shop for the latest & greatest Molicel Products from Legion Of Vapers.
Molicel is one of the most trusted names in high-drain lithium-ion battery technology, and for good reason. Their cells are engineered to the same tolerances used in motorsports, power tools and electric vehicles – the same standards that make them a go-to choice for vapers who want reliable power they can actually trust. Whether you’re running a dual 21700 box mod at high wattage, a regulated single-cell setup or a mechanical mod, Molicel batteries cover it. We stock a full range of genuine Molicel cells here at Legion of Vapers, all sourced from authorised UK distributors, so you know exactly what you’re getting in the wrapper.
Molicel has built its reputation on one thing: high-drain performance without compromise. The company’s history goes back to pioneering lithium cell research in the late 1970s, and that foundation shows in the consistency of their modern cells. Budget cells often force you to choose between capacity and discharge headroom. Molicel doesn’t ask you to make that trade-off.
Here’s what makes them stand out:
The combination of high discharge headroom and genuine capacity figures is what keeps experienced vapers coming back to Molicel over cheaper alternatives.
With hundreds of verified reviews and a loyal UK customer base, Legion of Vapers is a vape shop people come back to.
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We stock the key Molicel cells that vapers actually use. Whether you’re replacing a cell in an existing mod or building a new setup from scratch, you can find what you need in one place.
The 18650 format remains one of the most widely used battery sizes in vaping. Molicel’s 18650 range, including the P26A, delivers a continuous discharge rating of 25A with a 2600mAh capacity. That’s a solid balance of drain and runtime for regulated single-cell mods and compact dual-cell setups. If your mod takes 18650s and you push it hard, these cells handle the load without the voltage sag you get from lower-quality alternatives.
The 21700 format is where Molicel really stands out. The P42A offers 30A continuous discharge with 4200mAh capacity. The P45B steps that up further to 45A CDR with 4500mAh, making it one of the highest-performing cells available for vapers running demanding sub-ohm builds or mechanical mods. We’ve used both cells extensively in our own setups, and the P42A in particular holds up well across extended dual 21700 sessions without noticeable capacity drop.
Through our own use and testing, Molicel cells consistently outperform cheaper alternatives in the areas that matter day to day. Stable voltage delivery, genuine capacity figures that match the spec sheet, and a charge cycle lifespan that makes the slightly higher upfront cost worth it over time.
If you care about what’s powering your mod, Molicel is a straightforward choice.
The right cell depends on your mod format, the wattage you run and how you use your device day to day. Here’s how to narrow it down.
Running a standard regulated box mod at 40-80W with a single or dual 18650 setup? The Molicel P26A covers you well. The 25A continuous discharge rating gives comfortable headroom above typical regulated mod draw, and the 2600mAh capacity suits all-day use. Pair it with a quality charger and you’re sorted.
Pushing 80W and above on a sub-ohm tank or RDA, you want a 21700 cell with genuine high-drain headroom. The P42A is the practical choice here. At 30A CDR and 4200mAh, you get longer sessions between charges without voltage sag under load. We’ve run this cell in dual 21700 mods over extended use and it holds up well.
Mechanical mods have no internal circuit protection, so the cell does all the work. You need a CDR well above your expected amp draw, and you need to know Ohm’s Law before you fire it. The P45B’s 45A CDR gives serious headroom for experienced mech users. If you’re new to mechs, read our vape battery safety guide first – this is not an area to guess.
Replacing a worn cell in an existing mod is straightforward. Match the format (18650 or 21700), check your mod’s maximum amp draw and pick a Molicel cell with a CDR comfortably above that figure. Our 18650 vs 21700 guide covers the format differences in detail if you’re unsure which way to go.
Every Molicel cell we sell is sourced through authorised UK distributors only. Counterfeit and mislabelled cells are a genuine problem in the vape market – rewrapped cells with inflated specs are common, and the consequences of running an underspecced cell in a high-drain setup are serious. When you buy from us, you’re getting the real thing, with accurate specs you can build around safely.
We keep our Molicel pricing competitive and regularly offer multi-buy options so you can stock up without overspending. Buying two or four at a time also means you’re always rotating fresh cells, which is the right way to manage battery health long-term.
Orders are dispatched quickly from the UK, with free delivery available above our threshold. No waiting weeks for international shipping – your cells arrive fast so you can get back to vaping.
Our team are active vapers who use the products we sell, Molicel cells included. If you’re unsure which cell suits your mod, or you want to double-check your amp draw before buying, just ask. You’ll get a straight answer, not a sales pitch.
Explore our answers to some frequently asked questions.
The P26A is an 18650 cell rated at 25A CDR and 2600mAh. The P42A is a 21700 cell rated at 30A CDR and 4200mAh. If your mod takes 21700s and you vape at higher wattages, the P42A is the better choice for both capacity and discharge headroom.
Molicel cells, particularly the P45B at 45A CDR, are used by experienced mechanical mod vapers. Mechanical mods have no circuit protection, so you must calculate your amp draw using Ohm’s Law and keep your build well within the cell’s CDR. Read our battery safety guide before using any cell in a mech.
With proper care – avoiding discharge below 3V, using a quality charger and storing at partial charge – Molicel cells typically maintain good capacity for 300-500 charge cycles. Degradation is gradual. If your mod feels noticeably weaker between charges than it used to, it’s time to replace the cell.
Buy from an authorised UK retailer. Counterfeit cells often have inconsistent wrapper printing, different weight or inflated specs. If a deal looks significantly cheaper than the going market rate, that’s a warning sign. All cells we sell are sourced through verified UK distributors.
The P42A is the strong all-rounder for most high-wattage regulated setups, offering 30A CDR and 4200mAh in a 21700 format. If you’re running very low resistance builds at the top end of your mod’s output, the P45B gives more CDR headroom – but confirm your mod actually draws that level of current before assuming you need it.
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