Product Description
0809-0010 4V 5Ah Monobloc Lead Acid Battery
Dimensions: 3.80" X 2.10 X 3"
Closest we can get is 0800-0009 which is same cells without case and wire leads you can solder on to your connections
0800-0009 4V 5.0AH Enersys Cyclon Battery Pack (bestinbatteries.com)