Sealed Lead Acid Battery 20AH - 12V AGM | DIY-D12200-F13M5

The Discover D12200-F13M5 is a 12V 20Ah AGM battery for compatible standby and general-purpose equipment, including security systems and emergency lighting. Its sealed design needs no routine water top-ups. Order your replacement from DIYBattery and match the voltage, dimensions and terminal connections to your existing battery.

Key features

• AGM construction holds the electrolyte in absorbent separators.
• Valve-regulated design reduces routine maintenance.
• F13M5 terminals for compatible equipment.
• Designed for float standby and general-purpose applications.

Capacity depends on load and temperature. Confirm voltage, dimensions, terminal type and polarity before ordering. Dimensions and weight above follow the supplied model specifications; allow for terminal clearance and confirm the full installed height. Use a charger suitable for a 12V AGM battery and follow Discover’s charging recommendations.

View Discover Battery product information

Compare your existing battery model with this Discover battery. A model number or Ah rating alone does not confirm compatibility.

D12200-F13M5: 12V · 20Ah · F13M5 · 181 × 77 × 167 mm

Before ordering, match voltage, case size, total installed height, terminal width or bolt size, polarity, charger and discharge duty. F1 is 4.8 mm; F2 is 6.3 mm. Standby, deep-cycle, high-rate, GEL and lithium batteries are not interchangeable based on Ah alone.

Comparable specifications

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Reference reviewed: 2026-10-31

Coverage depends on your battery model and the terms supplied with your purchase. Contact DIYBattery before returning, shipping or dropping off a battery.

Read the warranty terms or compare warranty support options. Standard manufacturer replacements require warranty approval. The optional DIYBattery Premium one-time exchange does not require testing or manufacturer approval before delivery; see its separate terms.

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