Vape Battery

Finding the right vape battery is one of the most important decisions any vaper can make, whether you're powering a simple pen-style device or running a high-drain sub-ohm mod. At Simba Vapes, our Vape Battery collection brings together trusted names in the industry alongside dependable unbranded options, so you can find a battery that matches your device, your vaping style, and your budget.

A good battery isn't just about runtime — it's about safety, consistency, and getting the performance your setup is designed for. That's why we stock a mix of 18650, 20700, and 21700 batteries from well-known manufacturers, as well as convenient all-in-one pod battery options for simpler devices.

Pod and Pen-Style Batteries

If you're after something straightforward, the Green Sound EGO II Aero 2200mAh Battery is a great entry point. Priced at £4.99, this compact battery is ideal for those using EGO-style tanks and pod systems, offering solid capacity in a slim, easy-to-carry form factor. It's a favourite for vapers who want reliable all-day power without the bulk of a mod. You can browse more from this manufacturer in the Green Sound collection.

High-Drain 18650 Batteries

For mod users, the 18650 remains one of the most popular battery formats, and we carry several excellent choices. The 18650 AWT 3.7V 3500mAh 35A Rainbow Battery (Pack of 2) offers a generous 3500mAh capacity with a 35A continuous discharge rating, making it well suited to higher-wattage builds. At £12.99 for a pack of two, it's a dependable option from our Unbranded range, known for delivering solid performance at accessible prices.

Efest is a name many vapers already trust, and we stock two of their popular 18650 options. The Efeast IMR 18650 3000mAh 35A Batteries (Pack of 2) is priced at £9.99 and offers a strong balance of capacity and discharge rate for everyday mod use. For a single high-capacity option, the Efest 18650 Battery 3000mAh at £14.99 delivers the same 3000mAh capacity and 35A rating in a standalone unit. Explore the full lineup on the Efest brand page.

Golisi is another manufacturer well represented in our 18650 range, with the Golisi S30 18650 Battery 3000mAh (Pack of 2) available for £11.99 — a reliable choice known for consistent output and safety features.

20700 and 21700 Batteries for Bigger Builds

For vapers running devices that support larger cell formats, we carry a strong selection of 20700 and 21700 batteries. The iJOY 21700 Battery 3750mAh is priced at £7.99 and offers impressive capacity in the larger 21700 format, perfect for extending vape time between charges. Browse more from this brand via the iJoy collection.

Golisi also offers excellent options in these larger formats. The Golisi S35 21700 Battery 3750mAh (Pack of 2) comes in at £11.99, giving you two high-capacity cells for demanding setups. If your device takes the slightly smaller 20700 format, the Golisi S32 20700 Battery 3200mAh (Pack of 2), also £11.99, is a well-balanced choice trusted by many mod users. See everything Golisi has to offer in the Golisi brand collection.

Choosing the Right Battery for You

When selecting a vape battery, always check your device's compatible cell size and maximum discharge rating before purchasing. Using the correct battery for your device is essential for both performance and safety. Whether you need a lightweight option for a pod system or a high-drain cell for a powerful sub-ohm build, our Vape Battery collection has you covered with trusted brands and competitive prices.