The Dewalt DCB183 rail battery is a practical accessory to keep your DIY and gardening tools always charged. It features XR technology, which offers greater autonomy and power optimization to finish the job faster and so you never have to leave it half done. The Dewalt DCB183 rail battery is a practical accessory to keep your DIY and gardening tools always charged. It features XR technology, which offers greater autonomy and power optimization to finish the job faster and so you never have to leave it half done. This 18V 2.0 Ah capacity battery provides greater autonomy to the user without increasing either size or weight as does the 18V 1.5 Ah battery. It has no memory effect and no self-discharge for maximum productivity with the shortest operating time. It has led indicator to quickly check the battery charge. The excellent electrical characteristics of the Dewalt DCB183 rail battery make it compatible with all tools with 18 V XR by Dewalt.