12V 4.5 amp hour (AH) Lithium Iron Phosphate battery packs which are a direct replacement for sealed lead acid batteries, including chargers, LiFePO4.
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IM-1250F1 - UltraTech Sealed Lead Acid Alarm Battery (12 Volt, 4.5 Amp Hour)
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2 Pack ExpertPower 12V 4.5AH 12 Volt 4.5 Amp Hour Sealed Lead Acid (SLA) Battery | eBay
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