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Changes for page FAQ for Batteries

Last modified by kai on 2025/05/21 18:04
From version 9.2
edited by Xiaoling
on 2023/04/10 08:52
Change comment: There is no comment for this version
To version 8.1
edited by Edwin Chen
on 2023/04/01 21:00
Change comment: There is no comment for this version

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1 -XWiki.Xiaoling
1 +XWiki.Edwin
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53 53  The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
54 54  
55 55  
56 -= 2. CR17450 Battery =
57 -
58 -== 2.1 Battery Info ==
59 -
60 -
61 -CR17450 is an un-rechargeable Li-MnO2 battery with 2400mAh and 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. Dragino outdoor sensor models use this type of battery widely.
62 -
63 -
64 -== 2.2 Battery Document ==
65 -
66 -
67 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N-E5%20LoRaWAN%20Temperature_Humidity%20%26%20Illuminance%20Sensor%20User%20Manual/WebHome/image-20220515075625-3.png?width=257&height=193&rev=1.1||alt="image-20220515075625-3.png" height="193" width="257"]]
68 -
69 -(% style="color:blue" %)**The battery related documents as below:**
70 -
71 -* [[Battery Dimension>>https://www.dropbox.com/sh/o3k9x20fv2osi3w/AAAGf2B7HcRGog8xAOPoMWPha?dl=0]]
72 -
73 -
74 -
75 -== 2.3 When and how to Replace Battery ==
76 -
77 -
78 -The discharge curve of CR17450 is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
79 -
80 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N-E5%20LoRaWAN%20Temperature_Humidity%20%26%20Illuminance%20Sensor%20User%20Manual/WebHome/image-20220515075034-1.png?width=644&height=208&rev=1.1||alt="image-20220515075034-1.png" height="208" width="644"]]
81 -
82 -
83 -If we see the battery lower than 2.7v, it is time to replace battery.
84 -
85 -CR17450 is a general type battery. User is easy to find online via Aliexpress, Amazon , Ebay etc. Below shows how to replace it in LHT65N, unscrew the screws and replace will be ok.
86 -
87 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N-E5%20LoRaWAN%20Temperature_Humidity%20%26%20Illuminance%20Sensor%20User%20Manual/WebHome/image-20220515075440-2.png?width=272&height=338&rev=1.1||alt="image-20220515075440-2.png" height="338" width="272"]]
88 -
89 -
90 90  = Power Consumption Analyze =
91 91  
92 92