AJC 12V 18Ah AGM Replacement Battery for Firman P05703 Generator (NB Terminals)

Compact, maintenance-free replacement battery compatible with Firman P05703 generators. AJC® offers a sealed lead‑acid (AGM) unit designed to drop in as a direct OEM-style replacement. Ideal for backup power and generator use. Specifications: - Voltage: 12V (12 Volts) - Capacity: 18Ah - Terminals: NB - Chemistry: Sealed Lead Acid (AGM) - Dimensions: Length 7.09 in × Width 3.03 in × Height 6.57 in - Weight: 12.1 lbs Important: Our products are not affiliated with or authorized by Firman. Why choose AJC®: AJC replacement batteries deliver reliable performance at an affordable price and are made to match OEM fit and form. Millions of AJC batteries have been sold worldwide. This unit contains a UL recognized component and is supported by a straightforward 30-day return policy plus a 12-month warranty for added peace of mind. Battery care tips: - Recharge after every use to maintain capacity and extend service life. - Avoid allowing the battery to become fully discharged. - Inspect terminals periodically for corrosion or wear that could cause failure. - Keep the battery fully charged during storage. - Store in a cool, dry location (68°F/20°C recommended). - Recycle batteries properly — do not dispose of in household trash.