Replacement Sherborne battery back upSuitable for the controller TC3B with a TTB socket
LITHIUM BATTERY BACK UP WHITE STYLE HANDSETS NITHLITH 555
Battery back up for old style brown / black controllers NITHBATT 415
The system incorporates larger capacity re-chargeable batteries that are constantly charging while the power to the chair is on, this ensures the batteries are always be fully charged should they be required
In case of a power cut this battery back up can lift your riser recliner up to 20 times depending on weight.