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  • Post in thread: SCC not shifting to Float Charging Mode

    Yes you are right it hardly remains in absorption mode for 4-5 hours since at around 7:30 A.M I connect the load (refrigerator that consumes almost 10 Amp DC) and at that time only 9-10 amps are produced by solar so battery remain at around 13V and then gradually reaches 14.4 volts after 2-3...
  • Post in thread: Does MPPT charge controller damages a battery ?

    It has no settings to limit output current, only Voltage levels can be set
  • Post in thread: Low Specific Gravity Issue in Flooded Lead Acid Battery

    To avoid overcharging, I lowered the bulk charging voltage Can you please guide how to equalize charge with an MPPT solar charger having no equalization function?
  • Post in thread: Is it good idea to use Plywood Sheet for mounting Inverter, MPPT and Breakers etc

    Hello everyoneIs I am planning to design off grid solar system for my house but I dont want to mount Mppt , Inverters etc on wall as I am living on rent and my landlord will not allow me to drill so much holes into the wall so is it a good idea to use Plywood Sheet for mounting Inverter, MPPT...
  • Post in thread: DC Ammeter for SCC output current monitoring?

    Hello Everyone, I have purchase a DC ammeter for measuring output current from Solar Charge Controller to Battery but on the internet everyone used this for measuring either solar panel input current or DC load current so I am a quite worried should I use this ammeter for the said purpose is it...
  • Post in thread: Max PV input in 145 Volts SIMTEK Mppt Solar Charge Controller

    Hi everyone, I have Mppt solar controller having max input voc of 145 volts but in the owners manual it says that maximum 6 panels of 150~170 watts can be connected in series so lets say if each panel has voc=19 volts (i am taking on lower side) than it will still cross 145 volts limit, both...
  • Post in thread: Does MPPT charge controller damages a battery ?

    Battery is Flooded Lead Acid, 12 volts 145 Ah , Solar panels are 880 watts combine and 80a SCC ( Max PV input is 1500 watts)
  • Post in thread: DC Ammeter for SCC output current monitoring?

    This Ammeter comes with 100Amps Shunt and it can measure current and voltage
  • Post in thread: Max PV input in 145 Volts SIMTEK Mppt Solar Charge Controller

    Currently I have installed different solar panels in series, 2 panels of 185 watt (voc=22.6) , 1 panel of 180 watt (voc=25.35) and 1 panel of 330 watts (47.45). Current of all panels are almost same, (variation of +/- of 0.5 Amps max)
  • Post in thread: DC Ammeter for SCC output current monitoring?

    I actually want to measure current from Charge Controller to the battery
  • Post in thread: Does MPPT charge controller damages a battery ?

    But alone Mppt will not help? It will give what it gets?
  • Post in thread: SCC not shifting to Float Charging Mode

    I want to add something 1. When the load is applied, voltage drops across battery terminals despite adequate supply from PV, I can give you an example at peak power PV can provide upto 35 Amps DC @ 12volts but still if a load of 15 Amps DC is applied, a terminal voltage drop of 0.3-0.5 volt...
  • Post in thread: DC Ammeter for SCC output current monitoring?

    Yes both Voltage and Current to be measured are within ranges but here current will flow in both directions like in the night time solar charge controller will be on stamdby mode and taking some current from battery so will the ammeter show that current also?
  • Post in thread: Offgrid Solar System layout

    Almost final look of the project, now I have to custom build battery cables and connect fusebox
  • Post in thread: Does MPPT charge controller damages a battery ?

    Yes its a tall tubular deep cycle battery, battery usage is limited only during night time for running fans and lights, in the daytime it stays on float charging mode. I forgot to mention also I run fridge on that battery but during sunlight (9 to 5) . It draws 15 amp dc.
  • Post in thread: Battery remains at Bulk Charge Voltage

    Hello Everyone I have an off grid solar setup with 145 Ah lead acid battery , the issue is that the mppt charge controller does not switches to float charging mode if I run somewhat heavier load like a small fridge which draws around 12 amp dc and the battery stays at bulk charging volts...
  • Post in thread: Does MPPT charge controller damages a battery ?

    About 11.6 volts 40 amps (15 amps load included)
  • Post in thread: Upgrade Solar Wire Guage for better

    The input current from Panel stays at 3 amps at 90 volts meaning only 270 watts compared to installed capacity of 880 watts (180+185x2+330) it should atleast produce 600 watts or more
  • Post in thread: Upgrade Solar Wire Guage for better

    Yes
  • Post in thread: Upgrade Solar Wire Guage for better

    Battery is small just 60ah Flooded but when load is running output of panels should increase like 6-7 amps at 90 volts but in reality it gives like 3~4 amps at 90ish volts
  • Post in thread: Does MPPT charge controller damages a battery ?

    But if I add more panels than charging current will also increase, is this the case?
  • Post in thread: Snail Trail after just 9 months of use

    Hello Everyone, Today while cleaning my solar panels I noticed that 1 panel has developed some snail trails in 3-4 cell (pictures attached here) I am yet not sure about performance degradation I will observe this today but I am so much worried. Is this totally a due to manufacturing fault or I...
  • Post in thread: Max PV input in 145 Volts SIMTEK Mppt Solar Charge Controller

    Also please tell can I run a 100 watts fridge on this system by using a power inverter without any damage to MPPT or Battery as fridge has a starting torque load of around 1000 watts???
  • Post in thread: MPPT - Battery Voltage Fluctuation

    Noted Which type of fuse should be used?
  • Post in thread: SCC not shifting to Float Charging Mode

    Hello Everyone I am trying to run a small fridge (6 cuft) on battery connected in parallel with an MPPT solar charger . The settings of the controller are Bulk Charge Voltage 14.4 Float Charge Voltage 13.5 My load is ~140W @ 12V and I have a Lead Acid 12V 140Ah battery attached in parallel with...
  • Post in thread: Does MPPT charge controller damages a battery ?

    Hello everyone, I heard from someone that MPPT charge controllers provide all the current or you can say raw power generated from solar panels to the battery regardless its capacity of absorbing charge specially during bulk charging stage, we can only control the current by decreaing/increasing...
  • Post in thread: SCC not shifting to Float Charging Mode

    But here same current is coming in and going out, I have measured with clamp meter when 15 Amps are being drawn by load the current supply also matches the demand but even then 0.3-0.5 volts are dropped across battery terminals
  • Post in thread: MPPT - Battery Voltage Fluctuation

    Hi everyone I'm looking for some input with issues I've been experiencing with my setup that I've recently completed. The battery was fully charged and the MPPT screen showing "Fully Charged" with constant float voltage of 13.5 volts. I turned ON the off grid inverter connected with same...
  • Post in thread: SCC not shifting to Float Charging Mode

    Yes I have used 6AWG wire between MPPT and Battery and installed ferrules and crimped them properly
  • Post in thread: Offgrid Solar System layout

    Hello Everyone I am starting my off grid solar project, I have purchased all required accessories and now its time to connect them but I am not sure about the best layout . I am using 10mm plywood sheet for mounting all these stuff. I have prepared a layout for you guys to give me some...
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