About this replacement
Designed for Dialler, Daitem devices. Compatible models include 442-29 X, 450-29 X, 470-29 X, 485-21 X, SC200AU Controllers, SC201AX Controllers, Sender GSM G470 - 30, DP8000, Intercom Controllers, SC200AF, SC201AF, 473-16X. Replacement part numbers include 908-21X, BAT90821. Key specifications: 3.7V, 700mAh, Li-ion.