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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 SHTL12‑150 / HTL12‑150
Nominal Voltage 12 V (6 cells)
Rated Capacity 150 Ah @ 20‑hour rate
10‑Hour Capacity ≈ 135 Ah @ 10 hr
5‑Hour & 1‑Hour Capacities 119.5 Ah (5 hr), ~86.6 Ah (1 hr)
Internal Resistance ≤ ~4.0–4.2 mΩ (fully charged @ 25 °C)
Max. Discharge Current ~800 A for 5 s
Operating Temp. Range Discharge / Charge / Storage: ~‑25 °C to +60 °C
Self‑Discharge Rate ~3 % per month @ 25 °C
Charging (Constant Voltage)
  • Standby: 13.6–13.8 V
  • Cycle: 13.6–13.8 V
Design Floating Life Up to ~15–20 years (float service) @ 25 °C
Dimensions (L×W×H) ~484 × 171 × 241 mm (± tolerance)
Total Height ~241 mm
Weight ~45.7 kg ±3 %
Electrolyte & Construction Gel‑electrolyte VRLA (non‑spillable)
Warranty & Life Typically ~3 years warranty (application dependent)
Certifications / Standards CE / ISO / IEC (varies by manufacturer)
Typical Applications
  • Solar & Wind energy systems
  • UPS / Telecom backup
  • Golf carts, floor cleaning, industrial vehicles
  • Emergency lighting & power

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