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The Discover D12180D-F13M5 is a 12V 18Ah AGM battery designed for repeated discharge and recharge in compatible stationary systems. It is suited to backup power, solar installations and renewable-energy storage where a sealed, maintenance-free battery is required.
| Chemistry | Sealed lead-acid, AGM / VRLA |
|---|---|
| Voltage | 12V |
| Capacity (20-hour rate) | 18Ah |
| Capacity (5-hour / 10-hour rate) | 15Ah / 17Ah |
| Case size (L × W × H) | 181 × 77 × 167 mm |
| Approximate weight | 5.2 kg |
| Self-discharge at 20°C | 2–3% per month |
| Terminals | F13M5 (M5) |
Capacity depends on load and temperature. Match the battery’s voltage, dimensions and terminals to your equipment, and use Discover’s recommended AGM charging profile.
Compare your existing battery model with this Discover battery. A model number or Ah rating alone does not confirm compatibility.
D12180D: 12V · 18Ah · F13M5 (M5) · 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.
| Existing battery | Required check |
|---|---|
| Interstate DCM0018 | Same nominal size, capacity and M5 connection. Confirm mobility duty and charger against equipment requirements. |
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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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