Unfortunately, the battery on Red Lion RTUs is not replaceable in the field. The battery is soldered in place and after replaced the RTU should be reinitialized. To replace the battery you must send into Red Lion Repair department. Typical battery life is 10 years. Batteries discharge in about 1.5 to 3months of being powered off. To recharge please allow the RTU to be powered on for a full 24 hours.
RTU Products:
ST-IPm-8460/VT-mIPm-248-D/VT-mIPm-138-D/ST-IPm-6350/ST-IPm-2350/ST-IPm-1350/VT-IPm-1410/VT-IPm-2410/VT-mIPm-245-D/VT-mIPm-241-D/VT-mIPm-135-D/VT-mIPm-131-D/VT-IPm2m-213-D/VT-IPm2m-113-D/VT-uIPm-431-H/VT-uIPm-441-H/ST-GT-1210/ET-GT-ST-3
It is the customer's responsibility to review the advice provided herein and its applicability to the system. Red Lion makes no representation about specific knowledge of the customer's system or the specific performance of the system. Red Lion is not responsible for any damage to equipment or connected systems. The use of this document is at your own risk. Red Lion standard product warranty applies.
If you have any questions or trouble contact Red Lion Technical Support by clicking here or calling 1-877-432-9908.
For more information: http://www.redlion.net/support/policies-statements/warranty-statement