Our Cartridge Battery features adjustable voltage settings ranging from 3.3V to 4.8V and pairs well with all beeZbee cartridges. Each 900mAh slim twist battery is compatible with a wide range of 510 thread cartridges of .5ml and 1ml. This durable and efficient battery is ideal for anyone seeking a reliable vape cartridge battery 510 for their vaping needs. The battery is equipped with features like automatic shut-off after 20 seconds, which ensures safety and longevity. Every box includes a USB Smart Charger; great for on-the-go use. Our 510 vape cart batteries are available in black, blue, red, white, silver, purple, yellow, or trichrome. Choose a style that complements your personality. 2 Clicks = Pre-heat Mode 5 Clicks (Fast) = On/Off Function All beeZbee products are thoroughly and routinely lab tested for quality and purity. Certificate of Analysis