User's Manual

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LHT65 Temperature & Humidity sensor 27 / 40
3.3 Battery Analyze
3.3.1 Battery Type
LHT-65 is equipped with a 2400mAH Li-MnO2 battery. The battery is un-rechargeable battery
with low discharge rate targeting for 8~10 years use. This type of battery is commonly used in IoT
target for long term running, such as water meter.
The discharge curve is not linear so cant simply use percentage to show the battery level. Below
is the battery performance.
Minimum Working Voltage for the LHT65:
LHT65: 2.45v ~ 3.6v
ES-E1 Temperature Sensor : 2.35v ~ 5v