You can?t save time. But you can use it more efficiently.?Cool down first, then recharge ? now much quicker with new AIRSTREAM technology. The new battery packs have an integrated cooling duct that reduces the cooling time and shortens the entire charging process by up to 65%. In other words: Your tool is ready to use again sooner ? for interruption-free work, even for high-energy applications such as sawing.Faster reuse of battery packs thanks to AIRSTREAM technology (cooling function for faster availability) and significantly increased charging capacityAlways up to date: LED display shows the remaining battery life and charge statusSensible storage: Space-saving with a secure cord holderSimple wall mounting through elongated holes on the rearOptimum use in machines with high power consumption and short downtimesNow with at least double the charging capacity (TCL 3)with AIRSTREAM functionLithium-ion (Li-ion) replacement charger for all 10.8 ? 18?V battery packs