Used batteries must not be thrown away with household waste, they should instead be disposed of in accordance with applicable national regulations. They can also be returned to Phoenix Contact or the manufacturer.
Lead rechargeable battery module
horizontal DIN rail NS 35, EN 60715
PDF of Power storage device, lead AGM, VRLA technology, 24 V DC, 3 - PHOENIX CONTACT - UPS-BAT/VRLA/24DC/3.4AH - 2320306