Introducing the Zebra spare lithium battery for M300, a reliable and long-lasting replacement lithium battery designed for M-300/M-300P temperature sensors. Each box contains 4 packs of batteries, weighing only 0.06kg. Manufactured by ZEBRA, this high-quality battery ensures continuous and efficient operation of your temperature sensors. Don't let a dead battery interrupt your monitoring system, invest in the Zebra spare lithium battery for M300 today.