Replacement Battery for 2420, 2425, 2435 - Internal Backup063189-CYBDescription | Your Price | Status | Notes | Replacement Battery for 2420, 2425, 2435 - Internal Backup 063189-CYB | $30.50 | New | 9 Volts 80 Mah. 1 Year Warranty | * Various configurations in stock. Please call (888) 926-8169 for more information.* *Note: All prices subject to change without notice * | |