Powerextra 2 Pieces Bosch 24v Rechargeable Replacement Battery for Bosch 11524 12524 12524-03 13624-2G 1645 1645B-24 1645K-24 1660 660K-24 3452 3924 3924-24 3960 1645-24 125-2411524 3624 52324 52324B Highly compatible with your original equipment No memory effect, you can charge it anytime you need Built-in memory chip memorizes the usage history and communicates with the charger The package includes two batteries and two pairs of gloves Ships in 1-2 business days. Ships from CA, United States