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Author

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1		-XWiki.Xiaoling
	1	+XWiki.Edwin

Content

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27	27
28	28	* [[Battery Report & Certificate>>https://www.dropbox.com/sh/w9l2oa3ytpculph/AAAPtt-apH4lYfCj-2Y6lHvQa?dl=0]]
29	29
30		-
31	31	(% style="color:blue" %)**Connector Type:**
32	32
33	33	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual/WebHome/image-20230131145708-3.png?rev=1.1||alt="image-20230131145708-3.png"]]
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54	54	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.
55	55
56	56
57		-== 1.5 Power Consumption Analyze ==
	56	+= 2. CR17450 Battery =
58	58
	58	+== 2.1 Battery Info ==
59	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	+[[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"]]
	67	+
	68	+(% style="color:blue" %)**The battery related documents as below:**
	69	+
	70	+* [[Battery Dimension>>https://www.dropbox.com/sh/o3k9x20fv2osi3w/AAAGf2B7HcRGog8xAOPoMWPha?dl=0]]
	71	+
	72	+
	73	+== 2.3 When and how to Replace Battery ==
	74	+
	75	+
	76	+The discharge curve of CR17450 is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
	77	+
	78	+[[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"]]
	79	+
	80	+
	81	+If we see the battery lower than 2.7v, it is time to replace battery.
	82	+
	83	+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.
	84	+
	85	+[[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"]]
	86	+
	87	+
	88	+= Power Consumption Analyze =
	89	+
	90	+
60	60	Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
61	61
62	62	(% style="color:blue" %)**Instruction to use as below:**