In this video, we take a look at how to revive and start charging an EG4 WP | 48V 100AH Waterproof Lithium Iron Phosphate battery. this battery is currently in some kind of safe mode or protect mode and will not take a charge. Voltage reading across the terminals shows no voltage. The Bluetooth connectivity for the BMS also will not connect. We tried to methods on how to get the battery going again and it seems to be successful. The battery is able to charge up the capacity and also discharges capacity. This is just one way to do it.

The battery in this video is one of EG4's Legacy products. But I assume this method will work on most lithium iron phosphate batteries, which have gone into Protect mode.

IP68 RATED
EG4 Waterproof Lithium battery 51.2V (48V) 5.12kW with 100AH internal BMS. Composed of UL listed prismatic cells which have been tested at 7,000 deep discharge cycles to 80% DoD – fully charge and discharge this battery daily for over 15 years without issue. Reliable and rigorously tested, with a 99% operating efficiency. Drop-in ready design provides an element-proof, reliable and effective storage solution for off-grid living, marine applications, RVer’s, etc. You can expect a versatile solution for any conversion from 48V lead-acid setups to lithium.

lifepo4
#lifepo4
#lithiumbattery

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