ALEKO LM125 12V 7AH Sealed Lead Acid Rechargeable Battery Voltage: 12V, Power: 7Ah, F2 Terminal Perfectly work with Aleko DC openers, you just need to purchase 2 of this batteries to make it 24V Non-Spillable Sealed Lead Acid AGM battery, Rechargable and Reliable Power Perfect for security, backup power and fire applications Terrific value