Description
The Starmax High-Temperature GEL Deep Cycle AGM Battery is a high-performance deep cycle GEL AGM battery designed for solar power systems, off-grid energy storage, wind power applications, sweepers, golf carts, and light industrial electric vehicles. Built for extreme temperatures (-15°C to 60°C), it features low self-discharge (2–3% per month at 25°C), a 50% DOD cycle life of over 3,000 cycles, and a float service life of 12–15 years. Supports fast charging and comes with CE, UL, ISO, and IEC certifications. Available in a grey body with black cover, it offers 1–3 years warranty depending on application, providing reliable, long-lasting power for industrial and renewable energy applications.
| Specification | Details |
|---|---|
| Product Name | Starmax SHTL12‑180 12V 180Ah High‑Temperature GEL Deep Cycle AGM Battery |
| Nominal Voltage | 12 V (6 Cells per Unit) |
| Nominal Capacity | 180 Ah @ 20 hr rate (21.0 A, 5.4 V, 25 °C) |
| 10 hr Capacity | ~162 Ah (37.8 A, 5.4 V, 25 °C) |
| 5 hr Capacity | ~143 Ah (66.8 A, 5.25 V, 25 °C) |
| 1 hr Capacity | ~104 Ah (233.3 A, 4.8 V, 25 °C) |
| Internal Resistance | ≤ 3.5 mΩ (Fully charged @ 25 °C) |
| Max. Discharge Current | 1080 A (5 s @ 25 °C) |
| Operating Temperature Range | Discharge / Charge / Storage: ‑25 °C to 60 °C |
| Design Floating Life | ~20 Years @ 25 °C |
| Self‑Discharge | ~3% per month @ 25 °C |
| Charge Voltage (Constant) | Standby Use: 13.6 – 13.8 V Cycle Use: 13.6 – 13.8 V (Initial Current <40.5 A) |
| Dimensions (L×W×H) | 532 × 206 × 216 mm (Total Height 221 mm) |
| Weight | ~56.2 kg ±3% |
| Electrolyte / Construction | Silicon Gel Electrolyte / High‑Temp Gel Deep Cycle Structure |
| Terminal Type | M8 / Standard Deep‑Cycle Battery Terminals |
| Warranty | Typically 2–3 Years (Supplier Dependent) |
| Certifications | CE / UL / ISO / IEC (varies by supplier) |









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