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These holders have wide and strong connectors within the box to give a excellent connection to the batteries. They have not collapsed after long use like the spiral/coiled springs used in other boxes. The attached "pions" make a perfect place to solder when making connections between boxes. I will use these again.
Verified purchase: Yes | Condition: New
The clips are sturdy but will heat up if you put much current through them. I measured resistance of the clips (kelvin technique) and it measured around 0.02 ohms. Measuring temperature, at 2 Amps the temperature of the clip rose 6C over ambient. At 7A, it rose 60C over ambient, and at 10A the clip temperature exceeded 100C over ambient within a minute or so. The clips are weakly attracted to a magnet. The plated contacts accept solder easily, but when I accidentally cooked the plating off of one lead it would no longer accept solder no matter how hard I tried. The holders hold the cells well. With a little creativity and some rework they might be adapted to work with higher currents.
Verified purchase: Yes | Condition: New
strong grip not hard to remove cells easy to solder very decent quality for the price would buy again
Verified purchase: Yes | Condition: New
Seems better than pictured, haven't used them yet but not worried after seeing them
Verified purchase: Yes | Condition: New
Great product. Exactly what we needed. Hope the supply lasts a while.
Verified purchase: Yes | Condition: New