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This is 2021 model with 4 digit display
NB- It works on a 4way communication channel - Even if one battery terminal is connected, it displays the 4 battery terminals +/- 0.05mV. The actual correct battery voltages are displayed once the 4 batteries are connected or as each battery is connected
This is latest 2021 advancement on all existing models. It is the only 4 digit display battery equalizer BMS. At a glance you will immediately see the battery voltages
48v battery balancer/equalizer
When two or more batteries are connected in series or parallel, voltage differences begin to occur as the batteries charge and discharge. While some batteries may be overcharged,other will be undercharged. This causes battery sulfation and ultimately reduces the life span of your precious battery bank by about 2-3yrs
Once voltage difference of 2mv is detected, this energy transfer battery equalizer automatically begins to move current from higer to lower voltage battery until equilibrium is attained
This is a must for every solar installation
specification
48v
1. 4 batteries in series
2. 8 batteries in series/parallel
