Replacement lithium battery - suits all TankMate sensor units.
Note: this may differ from the battery/s origially supplied with your unit - but it can be retrofitted to any of our products. Offers improved battery life and cold weather performance over our previous lithium batteries.
 
See fitting instructions here.
 
This is a customised 3.6v Li-SOCL2 battery - please check with us before using a substitute battery on your v2 unit.
 
A battery pack for 3xAA batteries can also be retrofited to your unit if required (suits alkaline / NiMH).