CellBlockEX is a dry fire-suppressant granulate made of lightweight, porous recycled glass. It can quickly extinguish lithium-ion battery fires while absorbing smoke and harmful gases, making it a superior choice to normal fire extinguishers or other fire suppression methods. It's what differentiates the CellBlock brand from anything else on the market.
The following video illustrates the ability of CellBlockEX to safely and effectively extinguish flames without the use of water or halon. See how quickly the fire from these lithium-ion cells is suppressed: