12 V 2.2 Ah AGM Sealed Lead Acid Battery Technical Specifications Voltage: 12 V DC (Nominal) Capacity: 2.2 Ah (20‑hour rate) Chemistry: Sealed Lead Acid (AGM / VRLA) Dimensions: ~178 × 35 × 61 mm (7.01″ L × 1.38″ W × 2.40″ H)  Weight: ≈ 1.0 kg (1.98 lb) Terminal: F1 (Faston 187) type commonly used in small devices Connector: XH2.54. 2-pin Charge Parameters: Cycle use: 14.4–15.0 V Standby use: 13.5–13.8 V Initial charging current: <0.66 A :contentReference[oaicite:5]{index=5} Operating Temperature: Wide range; suitable for standby and cyclic use Features: Valve-regulated, leak-proof, orientation-flexible, deep-discharge recovery