Discover D6120-F1 AGM battery

Sealed Lead Acid Battery 12AH - 6V AGM Float Standby | DIY-D6120-F1

$43.99
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Discover D6120-F1 AGM battery
Sealed Lead Acid Battery 12AH - 6V AGM Float Standby | DIY-D6120-F1

Sealed Lead Acid Battery 12AH - 6V AGM Float Standby | DIY-D6120-F1

$43.99
Discover®
AGM / VRLA Deep Cycle

Discover® AGM Deep Cycle

The Discover D6120-F1 is a 6V 12Ah 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.
  • F1 terminals for compatible equipment.
  • Designed for float standby and general-purpose applications.

Battery Specifications D6120-F1
Chemistry Sealed lead-acid, AGM / VRLA
Voltage 6V
Capacity (20-hour rate) 12Ah
Capacity (10-hour rate) 11.4Ah
Case size (L × W × H) 151 × 50 × 94 mm
Approximate weight 1.75 kg
Terminals F1

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 6V AGM battery and follow Discover’s charging recommendations.

View Discover Battery product information

Cross reference

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

D6120-F1: 6V · 12Ah · F1 · 151 × 50 × 94 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

Existing batteryRequired check
AJC C12S F1Confirm polarity, full installed height, equipment use and charger before purchase.
UPG UB6120 F1Confirm polarity, full installed height, equipment use and charger before purchase.

Check before replacement

Existing batteryRequired check
AJC C10S F112Ah upgrade from 10Ah. Same case family. Confirm charging.

Needs verification

Existing batteryRequired check
Power-Sonic PS-6120 F1Current Power-Sonic sheet rates 13Ah; Discover is 12Ah. Older PS-6120 ratings vary. Check exact label and capacity requirement.

Ask DIYBattery to check your battery

Reference reviewed: 2026-10-31

Hassle-Free Warranty

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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