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RepSOC drops dramatically after 20%

Category: Hardware
Product Number: MAX17215

The battery pack is configured as 2S1P using Samsung INR18650-35E cells.

When discharging with a constant nominal current, the SOC drops sharply from 20% to 1-2%, then stays at 1% until the nVEmpty cell voltage (3.00V) is reached, then goes to 0%.