This temperature sensor is for use with Victron Quattro, Multiplus and GX Devices (Victron products can make use of temperature information to improve the accuracy of battery charging).
Also suitable for VE.Can MPPT solar controllers, Skylla-S, Sylla-TG and Skylla-i products.
3m long with an M10 copper tube terminal fitted to one end and cord end terminals crimped to the tails.
The cable can be shortened or extended as required within reason (shorter is not a problem but very long lengths may cause excessive voltage drop).