Samsung 40T INR 21700 4000 mAh Battery

The Samsung 40T INR 21700 4000mAh battery delivers reliable power for your high-capacity vaping needs. This genuine Samsung lithium-ion cell combines impressive 4000mAh capacity with a solid 25A continuous discharge rating. You get extended vaping sessions without compromising performance. The flat-top design fits securely in most 21700-compatible devices. Samsung's proven INR chemistry provides consistent output across hundreds of charge cycles.

Built for intermediate and experienced vapers who understand battery safety, this 21700 battery excels in regulated box mods. Long runtime matters more than peak discharge current here. You can safely run moderate to high wattage builds while enjoying all-day battery life. This keeps you vaping longer between charges. The durable metal construction includes Samsung's anti-counterfeiting measures. You know you're getting authentic quality every time.

At 68 grams and measuring 21mm by 70mm, this battery handles temperature variations from -10°C to 60°C. It won't miss a beat. The protective wrapper and internal safety mechanisms like PTC and CID protection give you peace of mind during use. Just remember to use an external charger and proper battery case for safe transport and storage.