[electricboats] Battery Recommendations

I appreciated the recent product recommendations for chargers and controllers. Just the right information at just the right time for me. Would anyone have similar guidance for batteries?

Based on limited internet specs and reviews, I purchased a GrenePower 51.2V, 32Ah LiFePO4 battery to power an ePropulsion Spirit 1.0 Evo Remote motor. It appeared to be well-designed, with good packaging and adequate documentation. However, there was no meaningful charge level – either voltage with multi-meter or from its own LED display. Response to my concern was that receiving a fully discharged battery should not alarm me. However, when it would not accept a charge – with flashing red/green on charger – I again expressed my concern, and they agreed to send a return label.

Is this an anomaly? Or do we have to accept the high probability of receiving batteries with bad cells or a faulty BMS? With 28% more capacity and 25% of the cost compared to an ePropulsion battery, this one still might be worth pursuing. Are there better options?

Thanks for any suggestions,

Walter Pearson

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