[RE-wrenches] Load testing Lithium battery bank

[Larry]

I am repairing and restoring a pair of poorly designed lithium-ion 
battery bank that suffered over discharge, damaging many cells. After 
cell replacement I need to perform a discharge test with a 10kW load to 
verify the remaining capacity. The battery voltage is 105 volts @ 100% 
SoC and 89.6 volts @ 0%

I would like advice on how I can create an economical 10kW load. Water 
heating element? Wire wound resistors? Are there any GT inverters that 
will operate at these voltages?

Thanks.

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Larry Crutcher
Starlight Solar Power Systems