{"id":16075,"date":"2021-02-12T14:41:47","date_gmt":"2021-02-12T14:41:47","guid":{"rendered":"http:\/\/dcrark.com\/dcrark\/distilling\/?page_id=16075"},"modified":"2022-03-15T12:25:18","modified_gmt":"2022-03-15T12:25:18","slug":"llt-bms-setup-13s5p-48-1v-setup","status":"publish","type":"page","link":"http:\/\/dcrark.com\/dcrark\/distilling\/llt-bms-setup-13s5p-48-1v-setup\/","title":{"rendered":"LLT BMS Setup 13S5P 48.1V Setup"},"content":{"rendered":"\n\n\n\n\n\n\n
\n

\"\"<\/span><\/h3>\n<\/td>\n

Quick Link Downloads<\/strong>
\n<\/span>\u00a0<\/span><\/span><\/td>\n		\"\"<\/span><\/td>\n<\/tr>\n
Samsung 50E Datasheet<\/span><\/a><\/span><\/td>\nJBDTools V1.6-20170622<\/a><\/span><\/td>\n<\/tr>\n
BMS\u00a0 Apps<\/span><\/a><\/span><\/td>\nBMS Settings 13s5p 48.1v<\/span><\/span><\/span><\/td>\n<\/tr>\n
BMS Wiring<\/a>
\n<\/span><\/span><\/td>\n		USB Drivers<\/span><\/a><\/span><\/td>\n<\/tr>\n
\u00a0<\/span><\/span><\/td>\n\u00a0<\/span><\/span><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

13S 60A BMS WITH BLUETOOTH<\/strong>
\n<\/span><\/p>\n\n\n\n\n\n\n
\"\"<\/span><\/td>\n<\/td>\n\"\"<\/span><\/td>\n<\/tr>\n
13S Lititium ion Smart BMS Charger (Discharge 60A Continious)<\/span><\/td>\n<\/tr>\n
\"\"<\/span><\/td>\n<\/td>\n\"\"<\/span><\/td>\n<\/tr>\n
PC Communication Tool Connected to The BMS<\/span><\/td>\n<\/td>\nBMS Bluetooth Module (Please note 10v supply)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

 <\/p>\n

\"\"<\/a><\/span><\/p>\n

The black vertical lines show the capacity of each cell with a current draw of 5A at various voltage cuttoff limits. The first black line shows the capacity of each cell when a 3.1V cutoff is used. The peak cell voltage set at 4.1V you only loose 25mAh, the lower the upperlimit the greater the longevity of the battery. Using 4.1V to 3.1V would give a cell capacity of around 4050mAh - 25mAh = 4025mAh..<\/span><\/p>\n

Click here to download the <\/strong>Samsung 50E datasheet<\/strong><\/a><\/span><\/p>\n

 <\/p>\n

The chart below shows various BMS settings when using a 5A per cell (25A) discharge rate<\/strong><\/span><\/p>\n\n\n\n\n\n\n\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n\n\n
\u00a0<\/span><\/td>\nPack Capacity<\/span><\/td>\nCell Capacity<\/span><\/td>\nNominal Voltage<\/span><\/td>\nWatt Hours
\n<\/span><\/td>\n		High Pack Voltage<\/span><\/td>\nLow Pack Voltage<\/span><\/td>\nHigh Cell Voltage<\/span><\/td>\nLow Cell Voltage<\/span><\/td>\nUsable Capacity<\/span><\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
1
\n<\/span><\/td>\n		18.62Ah<\/span><\/td>\n3725mAh<\/span><\/td>\n48.1V<\/span><\/td>\n\u00a0895Wh<\/span><\/td>\n52.00V<\/span><\/td>\n41.60V<\/span><\/td>\n4.00V<\/span><\/td>\n3.20V<\/span><\/td>\n76.02%<\/span><\/td>\n<\/tr>\n
2
\n<\/span><\/td>\n		20.06Ah<\/span><\/td>\n4012mAh<\/span><\/td>\n48.1V<\/span><\/td>\n\u00a0964Wh<\/span><\/td>\n52.00V<\/span><\/td>\n40.30V<\/span><\/td>\n4.00V<\/span><\/td>\n3.10V<\/span><\/td>\n81.18%<\/span><\/td>\n<\/tr>\n
3
\n<\/strong><\/span><\/td>\n		20.25Ah<\/strong><\/span><\/td>\n4025mAh<\/strong><\/span><\/td>\n48.1V<\/strong><\/span><\/td>\n\u00a0974Wh<\/strong><\/span><\/td>\n53.30V<\/strong><\/span><\/td>\n40.30V<\/strong><\/span><\/td>\n4.10V<\/strong><\/span><\/td>\n3.10V<\/strong><\/span><\/td>\n82.14%<\/strong><\/span><\/td>\n<\/tr>\n
4
\n<\/span><\/td>\n		21.37Ah<\/span><\/td>\n4275mAh<\/span><\/td>\n48.1V<\/span><\/td>\n\u00a01027Wh<\/span><\/td>\n53.30V<\/span><\/td>\n39.00V<\/span><\/td>\n4.10V<\/span><\/td>\n3.00V<\/span><\/td>\n87.24%<\/span><\/td>\n<\/tr>\n
5
\n<\/span><\/td>\n		22.37Ah<\/span><\/td>\n4475mAh<\/span><\/td>\n48.1V<\/span><\/td>\n\u00a01075Wh<\/span><\/td>\n53.30V<\/span><\/td>\n37.70V<\/span><\/td>\n4.10V<\/span><\/td>\n2.90V<\/span><\/td>\n91.32%<\/span><\/td>\n<\/tr>\n
6
\n<\/span><\/td>\n		24.50Ah<\/span><\/td>\n4900mAh<\/span><\/td>\n48.1V<\/span><\/td>\n\u00a01178Wh<\/span><\/td>\n54.60V<\/span><\/td>\n32.50V<\/span><\/td>\n4.20V<\/span><\/td>\n2.50V<\/span><\/td>\n100.00%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Below is a table used in setting the BMS up to a 48.1v Nominal - 20.25Ah (Usable) battery with a range of 4.1V to 3.1v - 53.3V - 40.3V (Number 3 in the list)
\n<\/span><\/p>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n
\u00a0<\/span><\/td>\nCapacity (V)<\/span><\/td>\nCell Voltage (mV)<\/span><\/td>\nBattery Voltage (V)
\n<\/span><\/td>\n		\u00a0<\/span><\/td>\n<\/tr>\n
\u00a0<\/span><\/td>\n100%<\/span><\/td>\n4100<\/span><\/td>\n53.3
\n<\/span><\/td>\n		\u00a0<\/span><\/td>\n<\/tr>\n
\u00a0<\/span><\/td>\n80%<\/span><\/td>\n3900<\/span><\/td>\n50.7
\n<\/span><\/td>\n		\u00a0<\/span><\/td>\n<\/tr>\n
\u00a0<\/span><\/td>\n60%<\/span><\/td>\n3700<\/span><\/td>\n48.1
\n<\/span><\/td>\n		\u00a0<\/span><\/td>\n<\/tr>\n
\u00a0<\/span><\/td>\n40%<\/span><\/td>\n3500<\/span><\/td>\n45.5
\n<\/span><\/td>\n		\u00a0<\/span><\/td>\n<\/tr>\n
\u00a0<\/span><\/td>\n20%<\/span><\/td>\n3300<\/span><\/td>\n42.9
\n<\/span><\/td>\n		\u00a0<\/span><\/td>\n<\/tr>\n
\u00a0<\/span><\/td>\n0%<\/span><\/td>\n3100<\/span><\/td>\n40.3
\n<\/span><\/td>\n		\u00a0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n
The % capacity in mV for each cell voltage is calculated by<\/span><\/p>\n

(Cell maximum voltage - Cell Minimum voltage) \/5<\/span><\/p>\n

4100mV - 3100mV = 1000mV<\/span><\/p>\n

1000mV\/5 = 200mV<\/span><\/td>\n

From the cell minimum voltage, the 20% Capacity setting would be<\/span><\/p>\n

3100mV + 200mV = 3300mV<\/span><\/p>\n

From the cell minimum voltage, the 40% Capacity setting would be<\/span><\/p>\n

3100mV + 400mV = 3500mV<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

This would continue to the cell maximum voltage setting to 4100mV, we do not need this value for these settings, but is a useful guide to check the math is correct.<\/span><\/p>\n

We are charging these batteries with a 54.6V 3A charger, roughly we are charging each cell at 0.6A (3A \/ 5) which is well below the charge rate of 2.45A, for the Samsung 50e. When charging at 0.6A we would see an increase in capacity of charge, although not tested. We could charge at 5A for a faster charge if needed, we set the maximum charge on the BMS at 5.5A, although this would reduce the lifetime of the battery and charging capacity.<\/span><\/p>\n

\"\"<\/span><\/p>\n

The above diagram shows the charge time for our battery charging at 3A. Time to full charge approx. 6 hours, allow an extra hour on full charge for the cells to balance, the app will show you when all cells are balanced.<\/span><\/p>\n

 <\/p>\n

BMS Android Apps<\/strong><\/span><\/p>\n

The file is a zip file with 3 versions of the app, some versions work better on different phones. Download the files on a pc or laptop, you will need to unzip the files, then transfere them to your phone to install. Some versions of the app work better on different phones and android versions. There is a cutdown version on google play store but does not have all the extended features.
\n<\/span><\/p>\n

Click here to download the apps<\/a><\/strong><\/span><\/p>\n

 <\/p>\n

PC Software<\/strong><\/span><\/p>\n

Below are links for software for the PC data port, its USB drivers and setting up instructions<\/span><\/p>\n

JBDTools V1.6-20170622<\/a><\/strong><\/span><\/p>\n

USB Drivers<\/a><\/strong><\/span><\/p>\n

JBDTools (BMS) Detailed parameter settings<\/strong><\/a><\/span><\/p>\n

 <\/p>\n

Download and unzip the above files<\/span><\/p>\n

Click here to download the zipped BMS file<\/strong><\/a><\/span><\/p>\n

 <\/p>\n

Unzip the BMS file<\/span><\/p>\n

Install JBDTools (and USB drivers if needed)<\/span><\/p>\n

Open JBDTools<\/span><\/p>\n

Click on the \"COM\" Button and select your com port that the USB is connected to<\/span><\/p>\n

Click on the \"Start\" button, if you have selcted the correct com port and the usb drivers are working you should be able to use the software<\/span><\/p>\n

Press the Open \"Eprom\" button<\/span><\/p>\n

Select the unzipped BMS file and open the file<\/span><\/p>\n

This then will populate the fiekds in JBDTools.<\/span><\/p>\n

If you make changes to the settings use the \"Save Eprom\" button to make a back up<\/span><\/p>\n

Next click the \"Write Eprom\" button, this should now program your BMS<\/span><\/p>\n

Check that your settings have been applied by selecting the \"Read Eprom button\", if your values change back to default setting, re wite the BMS file to the BMS<\/span><\/p>\n

 <\/p>\n

Below is a screen shot of the pc communication software set up for our rack battery, 48.1v 13s5p using Samsung 50e cells, voltage ranges from 4100mv to 3100mv (No 3 in the table above). The charge over protection current has been set to 5.5A giving us the option to use a 5A or 3A charger.<\/span><\/p>\n

\"\"<\/span><\/p>\n

 <\/p>\n

Abbreviations<\/strong><\/span><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
COVP<\/span><\/td>\nCharge Over Voltage Protection<\/span><\/td>\n<\/tr>\n
CUVP<\/span><\/td>\nCharge Under Voltage Protection<\/span><\/td>\n<\/tr>\n
POVP
\n<\/span><\/td>\n		Pack Over Voltage Protection<\/span><\/td>\n<\/tr>\n
PUVP<\/span><\/td>\nPack Under Voltage Protection<\/span><\/td>\n<\/tr>\n
CHGOT<\/span><\/td>\nCharge Over Temperature<\/span><\/td>\n<\/tr>\n
CHGUT<\/span><\/td>\nCharge Under Temperature<\/span><\/td>\n<\/tr>\n
DSGOT<\/span><\/td>\nDischarge Over Temperature<\/span><\/td>\n<\/tr>\n
DSGUT<\/span><\/td>\nDischarge Under Temperature<\/span><\/td>\n<\/tr>\n
CHGOC<\/span><\/td>\nCharge Over Current<\/span><\/td>\n<\/tr>\n
DSGOC<\/span><\/td>\nDischarge Over Current<\/span><\/td>\n<\/tr>\n
Design Cap<\/span><\/td>\nPack capacity = Each cell (4900mah) x No if cells in parallel (5)
\n<\/span><\/td>\n<\/tr>\n
Cycle Cap<\/span><\/td>\nPack Actual Capacity = Each cell (4525mAh ) x Number of cells in parallel (5)
\n<\/span><\/td>\n<\/tr>\n
Full Chg Vol<\/span><\/td>\nDesigned full charge voltage of each cell
\n<\/span><\/td>\n<\/tr>\n
End of Dsg Vol<\/span><\/td>\nDesigned end of discharge voltage of each cell
\n<\/span><\/td>\n<\/tr>\n
NTC 1 & NTC 2<\/span><\/td>\nTemperature sensors 1 and 2 (on\/off)
\n<\/span><\/td>\n<\/tr>\n
BALANCE_EN
\n<\/span><\/td>\n		Enable balance during normal running
\n<\/span><\/td>\n<\/tr>\n
CHG_BALANCE
\n<\/span><\/td>\n		Enable balance during charging
\n<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Back to Ebike menu<\/strong><\/a><\/span><\/p>\n

 <\/p>\n

\n","protected":false},"excerpt":{"rendered":"

Quick Link Downloads \u00a0 Samsung 50E Datasheet JBDTools V1.6-20170622 BMS\u00a0 Apps BMS Settings 13s5p 48.1v BMS Wiring USB Drivers \u00a0 \u00a0   13S 60A BMS WITH BLUETOOTH 13S Lititium ion Smart BMS Charger (Discharge 60A Continious) PC Communication Tool Connected to The BMS BMS Bluetooth Module (Please note 10v supply)     The black vertical lines show the capacity of Continue Reading<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-fullwidth.php","meta":{"footnotes":""},"class_list":["post-16075","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"http:\/\/dcrark.com\/dcrark\/distilling\/wp-json\/wp\/v2\/pages\/16075","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/dcrark.com\/dcrark\/distilling\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/dcrark.com\/dcrark\/distilling\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/dcrark.com\/dcrark\/distilling\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/dcrark.com\/dcrark\/distilling\/wp-json\/wp\/v2\/comments?post=16075"}],"version-history":[{"count":1,"href":"http:\/\/dcrark.com\/dcrark\/distilling\/wp-json\/wp\/v2\/pages\/16075\/revisions"}],"predecessor-version":[{"id":17684,"href":"http:\/\/dcrark.com\/dcrark\/distilling\/wp-json\/wp\/v2\/pages\/16075\/revisions\/17684"}],"wp:attachment":[{"href":"http:\/\/dcrark.com\/dcrark\/distilling\/wp-json\/wp\/v2\/media?parent=16075"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}