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 SHTL12‑230 |
| Battery Type | High‑Temperature GEL / Deep Cycle / VRLA (Valve Regulated Lead Acid) |
| Nominal Voltage | 12 V (6 cells per unit) |
| Rated Capacity | 230 Ah @ 20‑hr rate (21.0 A, 5.4 V) @ 25 °C |
| 10‑hr Capacity | 208 Ah (37.8 A, 5.4 V) @ 25 °C :contentReference[oaicite:0]{index=0} |
| 5‑hr Capacity | 175 Ah (66.8 A, 5.25 V) @ 25 °C :contentReference[oaicite:1]{index=1} |
| 1‑hr Capacity | 127.1 Ah (233.3 A, 4.8 V) @ 25 °C :contentReference[oaicite:2]{index=2} |
| Internal Resistance | ≤ 2.7 mΩ (fully charged @ 25 °C) :contentReference[oaicite:3]{index=3} |
| Design Floating Life @ 25 °C | ≈ 20 Years :contentReference[oaicite:4]{index=4} |
| Max Discharge Current | ≈ 1320 A (5 s) @ 25 °C :contentReference[oaicite:5]{index=5} |
| Operating Temperature | Discharge/Charge/Storage: −25 °C to 60 °C :contentReference[oaicite:6]{index=6} |
| Temperature Effect on Capacity | 40 °C: 108 % / 25 °C: 100 % / 0 °C: 90 % / −15 °C: 70 % :contentReference[oaicite:7]{index=7} |
| Self‑Discharge | ≈ 3 % per month @ 25 °C :contentReference[oaicite:8]{index=8} |
| Charging (Constant Voltage) | Standby/Float: 13.6–13.8 V DC Cycle Use: 13.6–13.8 V DC Initial charging current ≤ 50 A :contentReference[oaicite:9]{index=9} |
| Dimensions (L×W×H) | 522 × 240 × 219 mm (Total height ≈ 225 mm) :contentReference[oaicite:10]{index=10} |
| Weight | Approx. 65.2 kg :contentReference[oaicite:11]{index=11} |
| Certifications | CE, UL, ISO/IEC (typical for CSPBattery series) :contentReference[oaicite:12]{index=12} |
| Typical Applications | Solar & Off‑Grid Systems, Telecom, UPS/Inverter Backup, Marine, RV, Deep‑Cycle Power Supply |
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