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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 SHTL12‑120 (12V 120Ah High‑Temperature GEL Deep Cycle AGM)
Nominal Voltage 12V (6 cells per unit)
Nominal Capacity 120Ah @20‑hr rate (21.0A) @25°C
Capacity Ratings
  • 10‑hr rate: ~108Ah
  • 5‑hr rate: ~95.5Ah
  • 1‑hr rate: ~69.3Ah
Internal Resistance ≤4.8 mΩ (fully charged @25°C)
Max Discharge Current ~720A @25°C (5s)
Operating Temperature Range
  • Discharge: ‑25°C to 60°C
  • Charge: ‑25°C to 60°C
  • Storage: ‑25°C to 60°C
Capacity Temperature Effect (10‑hr)
  • 40°C: 108%
  • 25°C: 100%
  • 0°C: 90%
  • ‑15°C: 70%
Self‑Discharge ~3% per month @25°C
Charging (Constant Voltage @25°C)
  • Standby & Cycle Use: 13.6–13.8V
  • Initial Charging Current: <27A
Design Floating Life ~15–20 years @25°C
Dimensions (L×W×H) ~407×174×210 mm (Total Height: 233 mm)
Approx. Weight ~39.5 kg ±3%
Terminal Type M8 bolt / similar deep‑cycle terminal
Container Material ABS, maintenance‑free, non‑spillable GEL/AGM design
Certifications CE / UL / ISO / IEC standards (manufacturer dependent)
Typical Applications Solar energy, UPS backup, telecom, emergency lighting, scooters, golf carts, mobility equipment, industrial deep‑cycle use

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