Gavin Coutts Energy Max

I have experienced this as well. There are a few issues here and the BMS on the Shoto is poorly designed and implemented. Heat sync is not effective and reduces life of MOSFETs, so don't expect 10 years. To recover the batteries it is quite simple. You must have a variable voltage and amperage power supply, a minimum of 24 volts. Now group a set of 4 cells together that will give you a high on these of 14 volts. You will find that if you test them their voltage will be around 8 volts, even lower, over-discharged. Set your power supply to 12 volts and 1 amp, 2 if you have a good unit. Leave this for about 2 hours, and the battery supply unit will act as a charger and limit the input to 2 amps. A normal power supply with no amperage control is not suitable as the batteries will absorb as much amperage as possible and this will not float them to the same level. If you are below 45 volts most BMS will not recover the voltage of the battery. Repeat this for all 4 sets, takes a day or so. You are doing this after the BMS so completely bypassed. You will now have 4 sets all at or close to 12 volts each set giving you 48 volts on the battery. If the BMS is not faulty it will start and will then manage the full charge of the battery to the high of 56 volts, and then you must leave this for 45 min on high to allow absorption. Absorption is the process by which the BMS will allow the equalisation of all cells, very important. Recovery of batteries takes a long time and the right power supply, but if you have to do this with a lithium battery, you are purchasing the incorrect battery, and ultimately cheapest is not the best value.

To connect to pylontech batteries You need a RS232 to usb converter which is normally purchased. From the RS 232 you connect to RJ12 with pinouts as above. Open a terminal port in your Mac OS or windows make sure you are Sudo Download a app called screen.. install connect the RS 232 to the console port with the battery switched on first, then to the USB port of your laptop. Check through hardware systems check the USB port address.. eg A10K282M The Pylontech defaults to baud rate 1200 to start. Type in the following command in your terminal command line sudo screen /dev/tty.usbserial-A10K282M 1200 Paste the following instruction too initiate comms ~20014682C0048520FCC3 Push enter Hold ctrl+a then type k then type y [to exit] Type in following command sudo screen /dev/tty.usbserial-A10K282M 115200 This is the baud rate for comms to console commands 115 200 Press enter twice You will then have the prompt pylon> Under this prompt you have the following options displayed after typing in help pylon>help @ Local command: bat Battery data show - bat [pwr][index] data History data load - data [event/history/misc][item] datalist Show recorded data - datalist [event/history/misc][item/bat][batnun][volt/curr/temp/coul][item] disp Display Info at regular intervals - disp [(pwrs pwrNo)/val]/[(bats batNo)/volt/curr/temp] getpwr Get power Info - getpwr help Help [cmd] info Device infomation - info log Log information show - log login Login Admin mode - login [password] logout user mode - logout pwr Power data show - pwr [index] shut Shut down - shut soh State of health - soh [addr] stat Statistic data show - stat time Time - time [year] [month] [day] [hour] [minute] [second] trst Test Soft Reset - trst updata updata system - updata ********************************************************** Remote command: Press [Enter] to be continued,other key to exit Best results for all problems and configs is to type login debug with this command you ahem the following options pylon_debug>help @ Local command: adc Addr show - adc bat Battery data show - bat [pwr][index] bmicbld BMIC Soft Bleed Ctrl - bmicbld [chip][Val] bmicd BMIC data show - bmicd [chip] bmice Setup BMIC - bmice [chip] bmicr BMIC read - bmicr [chip][Offset] bmicsh BMIC show reg -bmicsh [chip] bmicw BMIC write - bmicw [chip][Offset][Val] chgver Change soft Version - chgver [st/ph] ci Current Comm Info config config [pov/povr/phv/phvr/plv/plvr/puv/puvr/pslp/bov/bovr/bhv/bhvr/blv/blvr/buv/buvr/bslp/bsv/bv /cot/cotr/cht/chtr/clt/cltr/cut/cutr/dot/dotr/dht/dhtr/dlt/dltr/dut/dutr/coc/coca/cocar /eot/eotr/eht/ehtr/elt/eltr/eut/eutr/doc/doca/docar/ocd/ocr/sc/scd/scr/clc /recinv/shuttime/uvtime/save/default][val] /[sleep/record][on/off/day/week/month][starttime][endtime] /[hwsleep][<on/off>][sleeptime][wakeuptime] ct Track Comm Port Data [Port Number] ctrl Contrl IO - ctrl [cfet/dfet/buzz/heat] [on/off] data History data load - data [event/history/misc][item] datac Clear data - datac [event/history/misc] datalist Show recorded data - datalist [event/history/misc][item/bat][batnun][volt/curr/temp/coul][item] disp Display Info at regular intervals - disp [(pwrs pwrNo)/val]/[(bats batNo)/volt/curr/temp] eepe EEPROM erase - eepe [chip] eepr EEPROM read - eepr [chip][Offset][size] eepw EEPROM write - eepw [chip][Offset][Val][size] flae Extend flash erase - flae [chip] flar Extend flash read - flar [chip][Offset][size] flaw Extend flash write - flaw [chip][Offset][Val] fullchg Show FullCharge Info - fullchg [time] getpwr Get power Info - getpwr help Help [cmd] info Device infomation - info log Log information show - log login Login Admin mode - login [password] logc Log clear - logc Press [Enter] to be continued,other key to exit logout user mode - logout logt Log test - logt [data] md Memory dump - md [width][Addr][size] mm Memory set - mm [width][Addr][Val] m2s Master updata to Slave - m2s prot Protect ctrl - prot [bov/bhv/blv/buv/pov/phv/plv/puv/cbot/cbht/cblt/cbut/dbot/dbht/dblt/dbut/pot/pht/plt/put/coc/coc2/coca/doc/doc2/doca/sc/buzz/smartchg/default][en/dis] pwr Power data show - pwr [index] re Send Command To the Specified Power - re [addr][command] rtcr RTC read - rtcr [Offset] rtcw RTC write - rtcw [Offset][Val] rtcsh RTC show reg -rtcsh save Save data - save [event/history] socr SOC read - socr[Offset] socw SOC write - socw [Offset][Val] socsh SOC show reg -socsh soccfg SOC config - soccfg[subclass][Offset][value] soccal SOC calibration - soccal [volt/current/tempr/ccoffset/bdoffset] [value] socd SOC show data - socd ********************************************************** Remote command: Command completed successfully $$