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Top 5 Positive Customer Reviews for 18650 battery cable
There was a problem with the shipping but the seller answered immediately and offered me to re send it to me. Total time needed was 6 weeks. Pleased to have it. Quality seems to be very good as described.
Good in general however the voltage output using freshly charged batteries is 7.5V instead of 8.4 as stated in the description. As a consequence the cycle light is not that shiny as it should be.
Ordered March 30, delivered April 14 (to Eastern Europe). Actual info below. BMS marking: GZLS 13SAB Dimensions: 66x50x10mm Control IC: "5361R" (13pcs) Operation voltages (actual i.e. tested): OVP on/off: 4.25/4.15V UVP on/off: 2.8/2.8V OCP: N/A (OCP function works using other discrete components, trip voltage ~=1V including shunt resistors 10/2=5mohm and internal resistance of discharge MOSFETs) Balancer (TL431): 4.2V/30mA (+ 13pcs red LEDs on backside of PCB - one in every balancer channel!) MOSFET: CMB5972 (1+3pcs) "B1-" & "B-": direct connection (i.e between power and signal "grounds") +2 blue LEDs (under heatsink) - for OVP/UVP state recognition.