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Hello dears, I am importing Felicity LPBA 48V 170 Ah 16s1p LiFePo4 battery which defined to be CATL grade A cells from China. unfortunately 1 battery I installed it for my sister's house after it gets fully charged from utility for example and restrd long time on around 54v but stops charging...

Hello guys, I installed many solar systems ladt months all were Felicity inverter 5kw and Felicity LiFePo4 battery LPBA48170 which is 170Ah 51.2V, CATL grade A cells 6000 Cycles. Ihave installed 2 systems last week in the same building for 2 different apartments. i connected them to the...

hello everybody, how much we can compute the energy stored in a battery if we register the instantaneous power (charging voltage and current) over time, so for example a batteries of 200Ah takes 20 hours to be fully charged with 10A charging current. can we estimate the energy stored by...

Hello everybody, I have bought 4 200Ah 12V tubular flooded lead acid batteries for my 5kw hybrid solar system 3 weeks ago. Unfortunately I got bad batteries performance in term of capacity even if they are "fully charged" as the the Must inverter PH18 Plus showing on the display and user...

Hello everybody, 6 weeks ago I installed my solar system 12 panels 405w from Trinasolar with Must hybrid inverter 5000W 48V (PH18-5048 Plus) , I used it for around 4 weeks without batteries, actually with 4 damaged car battery that give voltage without amperage just because the inverter could...

Hello everybody, I have a 5kw off grid inverter (Must PH18-5048 Plus) with 4 Tubular deep cycle 200Ah (Maxma TAF C20 200Ah by Luminous). could please you help me in configuring the charge controller for best performance while preserving a long life battery cycle. currently I am using the...

Hello guys, please could anyone help me in selecting the voltage values correspond to 50% DoD, 60% DoD and 70% DoD? I recently bought 4 tubular 200Ah tall tubular Maxma batteries (Indian), and my Hybrid inverter (Must PH18-5048 Plus) is configured to as the attached figure shows, in addition I...

Hello everybody I am something confused about the max power that should be taken from 4860w panels (12 * 405w and each 3 panels are in serie so 4 string). these panels feed the MUST PH18-5048 Plus inverter throught 8mm square copper cable. the maximum power that I have taken during sunny day...

Hello everybody please could you suggest me a good quality adequate price on AliEpress to buy lifepo4 cells and BMS to build my own Lithium battery because it is something hard to buy a ready battery from AliBaba (Shipping Lithium regulations) ? is it ok to use it with my Must PH18-5048 Plus...

Hello all, please I need your help, I am new in the solar energy world :), i installed last weel 12 panels 405W each, the configuration is 4 groups of 3 series panels. so each each group is <140v VOC under the PH18 5045 PLUS MPPT limit which os 145V. my problem is that I mostly need the...