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 |
|---|---|
| Model | Starmax SHTL12‑135 (12V 135Ah High‑Temperature GEL / AGM) |
| Nominal Voltage | 12V (6 cells per unit) |
| Nominal Capacity | 135Ah @ 20hr rate (approx.) |
| Capacity Ratings | 20hr @ 21A ≈ 135Ah 10hr @ ~37.8A ≈ ~122Ah 5hr @ ~66.8A ≈ ~107.5Ah 1hr @ ~233A ≈ ~78Ah |
| Battery Type | High‑Temperature Deep Cycle GEL / AGM VRLA (Valve Regulated Lead Acid) |
| Design Floating Life @ 25°C | Up to ~20 years (designed) in float service |
| Internal Resistance | ≤ ~4.5mΩ (typical fully charged @ 25°C) |
| Max Discharge Current | ~810A (5s) typical |
| Self‑Discharge Rate | ~3% per month @ 25°C |
| Operating Temperature Range | Discharge: approx. −25°C to 60°C Charge: approx. −25°C to 60°C Storage: approx. −25°C to 60°C |
| Charge Voltage (25°C) | Cycle use: 13.6 – 13.8V Standby/Float: 13.6 – 13.8V |
| Capacity vs Temperature | 40°C: ~108% capacity 25°C: 100% capacity 0°C: ~90% capacity −15°C: ~70% capacity |
| Dimensions (L × W × H) | ~341 × 173 × 283 mm (Total Height approx. 288 mm) |
| Weight | ~39.5 – ~42 kg (varies by exact chemistry/build) |
| Terminal Type | M8 studs (typical for 135Ah class) |
| Electrolyte | Gel (or AGM variant depending on supply) |
| Applications | Solar & Wind Energy Storage Telecom Backup Systems UPS/Power Inverter Systems Electric Vehicles, Golf Carts, Pumps Emergency Lighting & Control Systems |
| Features | High‑temperature performance Long float life design Valve regulated, maintenance‑free Low self‑discharge, wide operating range |
| Warranty | Varies by supplier (usually 1–3 years depending on supplier/brand) |
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