ABB GJR5250700R0001 is the 07LE90 lithium backup battery used in Jokab Safety TL-series relays (including TL-2100 and TL-5903) to retain memory when the main power is removed. The cell is a 3.6 V nominal lithium battery with about 2.2 Ah capacity, designed for an operating window around 3.0–3.6 V, with a discharge capability up to 100 mA and an internal resistance near 1.8 Ω. This ABB part is commonly listed as 07LE90 and is referenced in distributor catalogs alongside TL-2100/TL-5903 compatibility. Distributor documentation notes a 24-month warranty.
