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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 SHTL12‑85 (12V 85Ah High‑Temp Deep Cycle GEL/AGM)
Nominal Voltage 12 V (6 cells per unit)
Nominal Capacity 85 Ah @ 20 hr rate (21 A, 5.4 V/cell @25 °C)
Capacity @ 10 hr rate ≈77 Ah @ 37.8 A (25 °C)
Capacity @ 5 hr rate ≈67.5 Ah @ 66.8 A (25 °C)
Capacity @ 1 hr rate ≈51.9 Ah @ 233.3 A (25 °C)
Internal Resistance ≤ 6.0 mΩ (fully charged @ 25 °C)
Max. Discharge Current 510 A (5 s) typical
Design Floating Life ≈15 years @ 25 °C
Operating Temperature – Discharge −25 °C to +60 °C
Operating Temperature – Charge −25 °C to +60 °C
Storage Temperature Range −25 °C to +60 °C
Self‑Discharge Rate ≈3 % per month @ 25 °C
Float Charge (25 °C) 13.6–13.8 V (Constant voltage)
Cycle Use Charging 13.6–13.8 V (Constant voltage)
Temperature Effect on Capacity 40 °C: ~108 % | 25 °C: 100 % | 0 °C: ~90 % | −15 °C: ~70 %
Dimensions (L×W×H) 260 × 169 × 211 mm (Total height 215 mm ± tolerance)
Weight ≈26.2 kg (± tolerance)
Container Material ABS (high temp tolerant)
Terminal M6 Terminal Insert
Construction Valve‑regulated sealed GEL/AGM, non‑spillable
Typical Applications Solar systems, UPS, telecom backup, marine, wind power storage

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