Dragino LLDS40 - LLDS40 Battery Type Details; Procedure for Replacing the Battery

5.1! Battery Type
LLDS40 is equipped with a
8500mAH ER26500 Li-SOCI2 battery
(
https://www.dragino.com/downloads
/index.php?dir=datasheet/Battery/ER26500/
)
. 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 can't simply use percentage to show the battery level. Below is the
battery performance.
!
Minimum Working Voltage for the LLDS40:
LLDS40:! 2.45v ~ 3.6v
5.2! Replace Battery
Any battery with range 2.45 ~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
And make sure the positive and negative pins match.