The economy bottom balancer/hand trimmer.
When bottom balancing, at the end of the day we are taking out very small amounts of energy from each cell to get it to hit an exact voltage. This small 250 watt 0.1 ohm power resistor is the perfect thing to manually trim LiFePo4 battery cells.
Just connect this across two terminals while observing cell voltage with a multimeter. It's low tech but it draws 18-20 amps from a single cell and quickly gets the voltage down to where you want it.
The extra long format helps dissipate heat and the entire rig is very light and portable. Insulated clips make it easy to connect to cells without shorting or sparks.
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