calcPageSize())" loading="lazy" decoding="async" jajuma-bg-loading style="" />- 3800mAh Capacity
- 10A Continuous Discharge Rate
- 3.6V Nominal Voltage
- Lab-tested for Safety, Purity and Potency
Fogstar Energy FS3800 18650 Battery
Get reliable, long-lasting power for your low to medium-output vape with the Fogstar Energy FS3800 – packing a serious 3800mAh capacity for extended sessions.
Introducing the Fogstar Energy FS3800 18650 Battery. If you're after dependable power that actually lasts the day, this is the battery you want in your kit. With a massive 3800mAh capacity and a steady 10A continuous discharge rate, you're sorted for hours of vaping without constantly hunting for a charger.
Features
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18650 Battery Size
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Flat Top Design
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Non-Protected Cell
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Rechargeable
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Ideal for Low to Medium-Powered Devices
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200-500 Cycle Life
Directions: Always charge using a dedicated Lithium-Ion battery charger – never charge in your device. Insert with correct polarity (positive end towards the positive terminal). Check battery wraps regularly for any damage.
Usage: Suitable for regulated vape devices with built-in safety features. Ideal for low to medium power output. Do not use in mechanical mods or unregulated devices. Never leave charging unattended.
Specifications: 18650 size, 3.6V nominal voltage, 3800mAh capacity, 10A continuous discharge, flat top, non-protected.
Warning: For adult use only (18+). Keep away from children and pets. Never leave batteries unattended while charging. Regularly inspect battery wraps and insulators – replace immediately if damaged. Do not crush, incinerate, modify, or expose to extreme temperatures. Dispose of responsibly when performance drops (typically after 200-500 cycles). Only use with devices rated for this battery specification. Misuse can result in serious injury.
Reviews
| Standard Delivery | ||
| Orders | Cost | Time |
| Under £30 | £2.95 | 2-3 Days |
| Over £30 | FREE | 2-3 Days |
| Next Day Delivery | ||
| Orders | Cost | Time |
| Under £30 | £3.95 | 1-2 Days |
| Over £30 | £1.95 | 1-2 Days |
| Over £40 | FREE | 1-2 Working Days |
| Orders | Cost | Time |
| Under £20 | £4.95 | 1 Working Day* |
| Over £20 | £3.95 | 1 Working Day* |
| Over £30 | £3.95 | 1 Working Day* |
| Over £40 | FREE | 1-2 Working Days* |
| Weekend Delivery option available for any order value: DPD Sat / Sun Delivery - Under £40: £6.99 DPD Sat / Sun Delivery - Over £40: £4.99 |
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| Click & Collect | ||
| Click & Collect is now available for all orders within a 20 mile radius of our warehouse. This method will be displayed automatically if your order is eligible. | ||
| Cut Off Time | |||
| Mon-Fri | Sat | Sun | |
| 4:30pm | 11:00am | N/A | |
| 2:30pm | 1:30pm | 1:30pm | |
- *DPD delivery days are Monday to Friday. Orders Placed after 2:30pm Thursday will not be delivered until Monday, orders on Friday after 2:30pm will be delivered Tuesday. Unless DPD Saturday delivery is selected.
- You can read more about our delivery and Click & Collect options, and recent updates by visiting our Delivery Information Page



