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71	71	* Micro SIM card slot for NB-IoT SIM
72	72	* 8500mAh Battery for long term use
73	73
	74	+
	75	+
74	74	== 1.3  Specification ==
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76	76
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101	101	* STOP Mode: 10uA @ 3.3v
102	102	* Max transmit power: 350mA@3.3v
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	106	+
	107	+
104	104	== ​1.4  Applications ==
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106	106
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386	386
387	387	* (% style="color:#037691" %)**Interrupt:**(%%) 0x00 = 0
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	393	+
	394	+
389	389	=== 2.3.2  Since firmware v1.3.2 ===
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391	391
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428	428
429	429	* (% style="color:#037691" %)**8 sets of recorded data: Distance,Time stamp :**(%%) //**00396319ba3c**//,.......
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	437	+
431	431	== 2.4  Payload Explanation and Sensor Interface ==
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749		-== 2.11 Battery & Power Consumption ==
	756	+== 2.11  ​Battery Analysis ==
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751	751
752		-PS-LB-NA uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
	759	+=== 2.11.1  ​Battery Type ===
753	753
754		-[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
755	755
	762	+(((
	763	+The NDDS75 battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is none-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.
	764	+)))
	765	+
	766	+(((
	767	+The battery is designed to last for several years depends on the actually use environment and update interval.
	768	+)))
	769	+
	770	+(((
	771	+The battery related documents as below:
	772	+)))
	773	+
	774	+* [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
	775	+* [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
	776	+* [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
	777	+
	778	+(((
	779	+[[image:image-20220709101450-2.png]]
	780	+)))
	781	+
	782	+
	783	+
	784	+=== 2.11.2  Power consumption Analyze ===
	785	+
	786	+
	787	+(((
	788	+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.
	789	+)))
	790	+
	791	+
	792	+(((
	793	+Instruction to use as below:
	794	+)))
	795	+
	796	+(((
	797	+(% 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/]]
	798	+)))
	799	+
	800	+
	801	+(((
	802	+(% style="color:blue" %)**Step 2: **(%%) Open it and choose
	803	+)))
	804	+
	805	+* (((
	806	+Product Model
	807	+)))
	808	+* (((
	809	+Uplink Interval
	810	+)))
	811	+* (((
	812	+Working Mode
	813	+)))
	814	+
	815	+(((
	816	+And the Life expectation in difference case will be shown on the right.
	817	+)))
	818	+
	819	+[[image:image-20220709110451-3.png]]
	820	+
	821	+
	822	+
	823	+=== 2.11.3  ​Battery Note ===
	824	+
	825	+
	826	+(((
	827	+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.
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	829	+
	830	+
	831	+
	832	+=== 2.11.4  Replace the battery ===
	833	+
	834	+
	835	+(((
	836	+The default battery pack of NDDS75 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).
	837	+)))
	838	+
	839	+
	840	+
756	756	= 3. ​ Access NB-IoT Module =
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