CRD-TC7X-20S4BC-01 – Supports charging of spare Power Precision+ batteries used with TC70x and TC75x series. Blue dot/label on charger distinguishes from TC70/TC75- only charger (SAC-TC7X-4BTYC1-01). – Will also support charging of TC70/TC75 series batteries (non-Power Precision+). – Uses 5-Slot ShareCradle with five TC7X 4-Slot Battery Chargers attached. – Does NOT support fast-charging of batteries. Batteries will charge from 0- 90% in about 5.5 hours. – Can be racked/mounted in a standard 19 inch rack system via the mounting accessory (BRKT-SCRD-SMRK-01)