Introducing the latest parallel charging board from the Joshua Bardwell Signature line! No longer do you need to make the choice between XT60 vs XT30 or even specific number of cells when choosing a board for your parallel charging needs. All poly-fuses are equipped with color changing paint and are visible from the top side of the board. LED indicators are located on each port and illuminate if a voltage discrepancy is present while charging and the 15A fuse has tripped. Charge up to 6 batteries at once and even more with the passthrough port located at the bottom of the board. The battery checker is now completely independent of the charging circuit, allowing users to check extra packs after already plugging others onto the board.
Safety is a major concern for any form of parallel charging. * Checking each cell of every battery pack before connecting them together is extremely important! If you see a cell's voltage that is not like the rest, do not charge it with the others in parallel! To assist with this, we have added a cell checker at the top of the board. We have also provided replaceable fuses between the main power leads to aid in preventing surges from one pack to another. We suggest only parallel charging packs that are within roughly 0.1 volts per cell, or 0.4 volts for a 4S pack. A pack that is at 15.0 volts total should be safe to charge with another pack that was 15.4 volts or 14.6 volts. Never charge batteries while unattended and if you see a problem or a tripped fuse, stop the charge! Disconnect batteries from the board and store in a safe place after charging is complete.
Please watch these videos from Joshua for proper parallel charging techniques: