@BLUETTI_CARE
I noted some disparity in charging my AC180 power stations. I have 3 units, AC180-1 was purchased over 2 years ago and is pre Bluetooth password capable. Ac180-2 & AC180-3 are approx. 18 months old, purchased together and are password capable.
I have tested all 3 power stations, with the following parameters;
- All were calibrated for SOC and depleted in the same manner (a small heater at 800W) to 13% SOC.
- Test conditions were in airconditioned environment at 24C.
- Each was recharged from a stable grid source at 240VAC. (On roof solar active)
The charge cycle was as follows; - Charged from 13% SOC to 15% SOC in Silent mode, then using the App, charge mode was set to Standard.
- Charged to 25% SOC, then charge mode set to Turbo mode until SOC reached 50%.
- At 50% SOC, charge mode set back to Standard mode until SOC reached 65%.
- At 65% Charge mode was reset to Silent mode until SOC reached 75%, at which time all units were turned off for short term storage.
During testing, the time, in minutes, was recorded for each charging phase and the power in Watts recorded, again for each phase.
I am well aware that each power stations’s BMS will control the level of power input to best manage the battery’s health and temperature, electronics etc may vary. The attached chart of results shows these variations and those marked in green, showing each units results and their differences are what I would assess as acceptable discrepancies.
However, the notable one result in red is something I query. Both of the newer AC180s (AC180-2 & 3) in the 15 to 25% SOC cycle, show 7-800W of input power, whereas the original AC180-1 charged at 1100W during the entire, cycle. Why?
The other point of note is the wide range of input power during the Turbo mode charge and similarly the 50-65% SOC charge in Standard mode. Is there an explanation for this?
Not in the chart is the total charge time for each unit;
AC180-1 = 75 min
AC180-2 = 84 min
AC180-3 = 76 min
Also within a consistent time frame, happy with that.
Final point
All 3 unit’s firmware is up to date; IOT for AC180-2 & 3 is 9046.04. ARM, DSP & BMS for all 3 are 2074.08, 2078.06 & 1033.12 respectively. Which raises one final Q. Why does AC180-1 not have an IOT value available in the App?
