It depends on your carts and budget. Our premium pick is the DaVinci ARTIQ for its build quality and cooler vapor. The Cartisan Veil Bar Pro EVO is best for big 1G and 2G carts, the Yocan UNI 3.0 Plus fits almost any cart size, the Lookah Egg is the best compact choice, and the HoneyStick Interactive is the best budget battery.

A cart battery is the same thing as a 510 thread battery. For most people we recommend a battery with variable voltage and preheat, like the Cartisan Veil Bar Pro EVO or the Yocan UNI 3.0 Plus. If you want something premium and discreet, choose the DaVinci ARTIQ; if you want to spend as little as possible, the HoneyStick Interactive is a strong pick.

510 is the industry-standard screw connection used by most oil cartridges and vape batteries. Because almost every brand uses it, a 510 battery works with most carts on the market. A few brands use their own proprietary pods or connections instead.

The thread fits, but the body of the cart may not. Pen-style batteries take almost any cart. Concealed or box-style batteries have a size limit: the DaVinci ARTIQ fits carts up to about 11.5mm wide, the Cartisan Veil Bar Pro EVO up to 14.5mm wide and 62mm tall, and the Yocan UNI 3.0 Plus up to 16mm wide with an adjustable chamber. Check your cart’s size before you buy.

Start low and work up. Around 1.8V to 2.8V gives the most flavor and is best for live resin and thinner oils. Around 3.0V to 3.4V is a balanced everyday setting. 3.6V and above gives bigger hits and helps thick oil, but can taste harsh or burnt if it is too high for your cart.

Auto-draw batteries fire when you inhale, so they are simple and discreet. Button batteries fire only when you press, which gives more control and usually unlocks voltage settings and preheat. Some, like the HoneyStick Twist, do both.

Preheat runs the battery at low power for several seconds to warm thick oil before you draw. It helps prevent clogs and gives a smoother first hit, especially in cold weather.

Blinking is how most 510 batteries report a problem. It usually means the battery needs charging, the cart is not making good contact, or the battery detected a short circuit. Charge it, clean the 510 connection with a cotton swab and isopropyl alcohol, and make sure the cart is screwed on snugly but not overtightened. Check your battery’s manual for its exact blink codes.

Use your battery’s preheat function, or warm the cart in your hand for a minute, then take a gentle draw without firing to clear the airway. Storing carts upright also helps prevent clogs and leaks.

Per charge, it depends on capacity and voltage: a 350mAh battery like the Lookah Egg suits lighter use, while 900mAh to 1100mAh batteries like the Elf Canndual Extreme, Cartisan Veil Bar Pro EVO and Yocan UNI 3.0 Plus last much longer. Lower voltage settings also stretch battery life.

Yes, with the right attachment. Some batteries include one, like the Cartisan Veil Bar Pro EVO’s wax atomizer, and dab pens like the HoneyStick Pocket Plasma or Lookah Seahorse Max run both concentrates and 510 carts.

Budget batteries like the HoneyStick Interactive ($9.99) cost very little. Mid-range picks like the Cartisan Veil Bar Pro EVO ($26.99) and Yocan UNI 3.0 Plus ($37.95) add bigger batteries and more control, and the premium DaVinci ARTIQ ($59.99) adds a concealed, cooling design. Prices on this page are live USD prices.