AWT 18650 3.7V 2900MAh 40A 

One of the most recognised rechargeable cells in vaping, the AWT 18650 3.7V 2900mAh 40A battery is built for vapers running regulated sub-ohm setups. A 3.7V nominal output pairs with a 2900mAh capacity for solid runtime between charges, and the cell carries a manufacturer-rated 40A peak pulse figure alongside a steady 20A continuous discharge limit.

Compact at 18.39mm x 64.90mm, it fits most dual and single battery mods without a squeeze. Pirate Vapes stocks genuine AWT cells, sold as labelled, and ships fast across the UK. 

Why vapers choose this:

• A dependable 20A continuous discharge rating with a 40A peak pulse capability to handle sub-ohm demands safely

• Solid 2900mAh capacity for fewer recharges during the day

• Standard 18650 dimensions that fit common dual and single battery mods

• Offers a balance of capacity and discharge capability suited to regulated devices

• Genuine AWT battery, sold as labelled

AWT 18650 3.7V 2900mAh 40A Features

Reliable Power, Handled Safely

Sub-ohm coils pull hard on a battery. While this cell features a 40A peak pulse rating, it delivers a rock-solid 20A continuous discharge limit. This gives your regulated box mod plenty of steady headroom without dangerous heat buildup, and it's designed for demanding, high-drain vaping applications where a weaker cell would struggle.

2900mAh Capacity

More capacity generally means fewer trips to the charger. At 2900mAh, this cell offers a balance of capacity and discharge capability for vapers who want solid runtime from a single 18650 rather than a battery that taps out early. Actual runtime still depends on your wattage and habits.

Consistent Discharge Performance

A cell that behaves predictably under load helps provide consistent performance throughout normal use. This AWT battery is built to deliver steady output within its rated 20A continuous limit, giving your device reliable behaviour across a typical discharge cycle rather than sharp drop-offs under demand.

Standard 18650 Dimensions

At 18.39mm x 64.90mm, this is a standard-dimension 18650, built to drop into the battery bays of most regulated mods without modification. No oversized wraps, no awkward squeezing, just a consistent fit each time you swap cells.

Flat Top Design

The flat-top terminal is the standard shape required by most regulated vape mods that take loose 18650 cells. It's a straightforward, widely compatible design that suits the battery bay layout on the majority of dual- and single-cell devices.

How to Set Up the AWT 18650 3.7V 2900mAh 40A

1. For loose 18650 cells, using a dedicated external battery charger is always the safest and fastest option to prolong your cells' lifespan.

2. Check the wrap for any damage or exposed metal before inserting it into your mod.

3. Insert the cell the right way round, matching the positive and negative markings inside the battery bay.

4. Close the battery door or cover securely and power on your device as normal.

5. Store spare cells in a case when not in use, away from loose metal or extreme heat.

What's in the AWT 18650 3.7V 2900mAh 40A Box

Your order includes the AWT 18650 3.7V 2900mAh 40A battery, or batteries if you've chosen the pair option. No charger, wraps, or case are included, so pair it with a proper battery charger if you don't already have one. 

Built for High-Drain Vape Mods

This cell suits regulated box mods and dual-battery devices designed around standard 18650 cells with 20A continuous headroom.

Always check your device's battery bay size and its own recommended discharge rating before buying, since not every mod is built for the same cell. Browse our full range of Box Mods to see what pairs well with this battery. 

About AWT

AWT is a well-known manufacturer of rechargeable lithium-ion batteries used in vaping and other high-drain applications. The brand's 18650 and 21700 cells are widely used in sub-ohm setups, and as with any high-drain lithium-ion cell, it's worth matching the battery's rated limits to your specific device rather than assuming maximum figures apply to continuous use. 

Stock Up and Save

Keeping a spare AWT 18650 on hand means you're never caught out with a dead mod. Pirate Vapes packs every order carefully and dispatches it tracked, so your battery arrives exactly as it left our warehouse.

Every cell sold is genuine AWT, checked before it ships, and all orders go through age-verified checkout in line with UK vaping regulations. Grab a spare from our Vape Battery Chargers range and pair it with a proper charger for safer daily use. 

Conclusion

The AWT 18650 3.7V 2900mAh 40A is a straightforward, dependable choice for anyone running a sub-ohm mod that needs genuine high-drain performance. Solid capacity, a stable voltage curve, and a discharge rating that actually holds up under load make it easy to recommend for daily use.

If your device takes a standard 18650 and you want a cell you can trust, Pirate Vapes has you covered with fast, age-verified UK delivery. 

FAQs

Is this battery safe for sub-ohm vaping?

Yes. This battery is suitable for regulated sub-ohm vaping and features a 20A continuous discharge rating with a manufacturer-rated 40A peak pulse rating. Always ensure your device's battery requirements stay within the battery's rated limits. 

Can I use just one battery in a dual mod?

No, dual battery mods need two matched cells of the same brand, capacity, and charge level. Mixing an old cell with a new one can cause an imbalance and isn't safe.

How do I know when to replace this battery?

Watch for reduced runtime, visible wrap damage, or a battery that feels warm even under light use. Any of these is a sign it's time for a fresh cell.

What charger should I use?

A dedicated 18650 charger designed for lithium-ion cells is the safest option. Avoid charging loose cells through a USB port or an uncertified charger.

Will this fit any mod?

It fits any device built for a standard 18650 cell, but always check your mod's battery bay size and rated amperage before buying to make sure it's a proper match.

How long does a charge typically last?

That depends on your wattage and usage, but the 2900mAh capacity is built to comfortably cover a full day of moderate to heavy vaping for most users.