ECO-WORTHY US via Amazon [amazon.com] has ECO-WORTHY 12.8V 100AH ​LiFePO4 Lithium Battery w/ Battery Status Display on sale for $219.99 - $55 off (25%) with promo code 25IG2NW1 at checkout = $164.99. Shipping is free.

About:

• 12.8V 100Ah LiFePO4 lithium battery
  • 1.28KWH of energy, which can be expanded to 20.48KWH with 4 in series and 4 in parallel
  
   


• LED display screen that provides real-time monitoring of the state of SOC and battery status


• Bluetooth and Wi-Fi functions can be utilized with the ECO-WORTHY data collector to monitor battery status


• 11.8" x 6.9" x 8.7" and 23.4 pounds