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The Discover D1232-F1 is a 12V 3.2Ah 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.
| Chemistry | Sealed lead-acid, AGM / VRLA |
|---|---|
| Voltage | 12V |
| Capacity (20-hour rate) | 3.2Ah |
| Capacity (10-hour rate) | 3.0Ah |
| Case size (L × W × H) | 134 × 67 × 61 mm |
| Approximate weight | 1.25 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 12V AGM battery and follow Discover’s charging recommendations.
Compare your existing battery model with this Discover battery. A model number or Ah rating alone does not confirm compatibility.
D1232-F1: 12V · 3.2Ah · F1 · 134 × 67 × 61 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.
| Existing battery | Required check |
|---|---|
| AJC D3.2S F1 | Confirm polarity, full installed height, equipment use and charger before purchase. |
| Yuasa NP3-2-12 | Check total height and terminal layout 3. |
| Existing battery | Required check |
|---|---|
| UPG UB1234 F1 | Discover is 3.2Ah, below UPG 3.4Ah. Obtain equipment approval for capacity; runtime may be lower. |
| Power-Sonic PS-1230 F1 | 3.4Ah source versus 3.2Ah Discover. Capacity approval required. |
| Existing battery | Required check |
|---|---|
| UPG UB1230 | UB1230 has conflicting retailer references: some describe 9Ah F2 batteries and others describe the 3Ah size family. Send DIYBattery a photo of the label and connectors, with the Ah rating and dimensions, to confirm the correct battery. |
Ask DIYBattery to check your battery
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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