0030 Compatible Topcon Battery BT-31Q
Topcon Digital Levels DL100 and DL101
Topcon battery model BT 31Q.
Lithium ions Li-Ion technology. The voltage is 7.2 V while the capacity is 2500 mAh.
The posterior contacts are made of plate brass.
For his charachteristics it is to consider like the original.
Great value for money!