Ebay offers ECO-WORTHY 3584Wh 12V 280Ah Bluetooth LiFePO4 Lithium Battery+12/24V 20A Charger for $439.99 (reg. $549.99) after code free shipping.

Apply Code: MEMORIALDEALS

Product Description:
[Bluetooth Real-Time Monitoring]
Meet New ECO-WORTHY 12V 280Ah LiFePO4 battery featuring Bluetooth 5.0. Now you can check the status of battery voltage, current and capacity at any time from your phone. Also you'll be able to keep a close eye on the battery remaining working life. Stay confident and focused on every fishing trip without worrying about unexpected power loss!
【Built-in BMS】
Built-in BMS to protect it from overcharge, over-discharge, charge over-current, discharge over-current, short-circuit, cell voltage self balance, high-temp discharge cut off.
【Dual Voltage & Multi-Current Options】
Intelligently identifies 12V/24V LiFePO4/AGM/Gel/Lead-Acid batteries. Allows manual selection of charging current based on battery capacity for safe. 12V Mode: 5A/10A/15A/20A, 24V Mode: 5A/10A
【Advanced LiFePO4 Battery Charger】
Specifically engineered for LiFePO4 batteries, this charger ensures optimal charging cycles and extends battery life. Configure 0V activation function to ensure the normal voltage level of the 12V/24V LiFePO4 battery is restored when needed
【All-in-One Battery Charger Solution】
From LiFePO4 batteries to lead-acid batteries, this universal charger combines multiple safety protections(reverse polarity, short circuit, high temperature protection), an intuitive LCD backlight screen, and a sturdy structure. Portable,efficient,and ready for any charging challenge