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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
Model Starmax SHTL12‑100 / STG12‑100
Battery Type VRLA GEL / Deep Cycle (High‑Temperature Service)
Nominal Voltage 12V
Nominal Capacity 100Ah (C20 @1.80V/cell, 25 °C)
Rated Capacity @25 °C
  • 100 Ah (C20)
  • 90 Ah (C10)
  • 79.5 Ah (C5)
  • 71.1 Ah (C3)
  • 57 Ah (C1)
Design Life Up to ~12 years (deep‑cycle GEL) / long float life :contentReference[oaicite:1]{index=1}
Internal Resistance (25 °C) Approx. ~6.9 mΩ :contentReference[oaicite:2]{index=2}
Max Discharge Current 1 000 A (5 s) :contentReference[oaicite:3]{index=3}
Temperature Ranges
  • Discharge: –20 °C ~ +55 °C
  • Charge: –20 °C ~ +40 °C
  • Storage: –15 °C ~ +50 °C
  • Nominal Operating: 25 °C ± 3 °C
Effect of Temperature on Capacity
  • 40 °C: ≈103 %
  • 25 °C: ≈100 %
  • 0 °C: ≈86 %
Self‑Discharge Can store up to ~6 months at 25 °C (freshening charge recommended) :contentReference[oaicite:4]{index=4}
Charging Parameters (Typical)
  • Standby / Float: ~13.6 – 13.8 VDC/unit average at 25 °C :contentReference[oaicite:5]{index=5}
  • Cycle / Equalization: ~14.4 – 14.9 VDC/unit average at 25 °C :contentReference[oaicite:6]{index=6}
  • Recommended Max Charge Current: ~≤60 A (est. from similar STARMAX gel spec) :contentReference[oaicite:7]{index=7}
Terminal Type M8 (typical for 100 Ah series) :contentReference[oaicite:8]{index=8}
Container Material ABS (flame‑retardant where applicable) :contentReference[oaicite:9]{index=9}
Dimensions (mm) ≈330 × 173 × 212 mm (Length × Width × Container Height) :contentReference[oaicite:10]{index=10}
Total Height (mm) ≈218 mm :contentReference[oaicite:11]{index=11}
Approx Weight ≈31.2 kg (68.8 lbs) :contentReference[oaicite:12]{index=12}
Applications
  • Solar / Renewable Energy Storage
  • Telecom / Backup Power
  • Wheelchairs / Golf Carts
  • UPS / Security Systems
  • Deep‑Cycle Use Cases
Standards & Certifications IEC 60896, UL Certified (depending on SKU) :contentReference[oaicite:13]{index=13}

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