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369	369	* (% style="color:#037691" %)**Timestamp: **(%%)0x6390453d =1670399293 (Unix Time)
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371	371
	372	+
372	372	== 2.4  Payload Explanation and Sensor Interface ==
373	373
374	374	=== 2.4.1  Device ID ===
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532	532	Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
533	533
534	534
535		-== 2.11  ​Battery Analysis ==
	536	+== 2.11 Battery & Power Consumption ==
536	536
537		-=== 2.11.1  ​Battery Type ===
538	538
	539	+NMDS200 uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
539	539
540		-The NMDS200 battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
	541	+[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
541	541
542		-The battery is designed to last for several years depends on the actual use environment and update interval.
543	543
544		-The battery-related documents as below:
545		-
546		-* [[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
547		-
548		-* [[Lithium-Thionyl Chloride Battery datasheet>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
549		-
550		-* [[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
551		-
552		-[[image:image-20221021111911-26.png]] ​
553		-
554		-
555		-=== 2.11.2  Power consumption Analyze ===
556		-
557		-
558		-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.
559		-
560		-Instruction to use as below:
561		-
562		-(% style="color:blue" %)**Step 1:  **(%%)Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
563		-
564		-(% style="color:blue" %)**Step 2: **(%%) Open it and choose
565		-
566		-* Product Model
567		-
568		-* Uplink Interval
569		-
570		-* Working Mode
571		-
572		-And the Life expectation in difference case will be shown on the right.
573		-
574		-[[image:1666596205057-567.png]] ​
575		-
576		-
577		-=== 2.11.3  ​Battery Note ===
578		-
579		-
580		-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.
581		-
582		-
583		-=== 2.11.4  Replace the battery ===
584		-
585		-
586		-The default battery pack of NMDS200 includes a ER26500 plus super capacitor. If user can't find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes).
587		-
588		-
589	589	= 3. ​ Access NB-IoT Module =
590	590
591	591