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 | Detail |
|---|---|
| Model | Starmax SHTL12-35 (12V 35Ah) |
| Battery type | Sealed VRLA — GEL / Deep-Cycle (High-temperature GEL variant referenced) |
| Nominal voltage | 12 V |
| Nominal capacity | 35 Ah (C20) |
| Typical dimensions (L × W × H) | ~195 × 130 × 154 mm (7.7 × 5.1 × 6.1 in) — common 12V-35Ah form factor |
| Weight | ~10.0–10.9 kg (≈22–24 lb) — typical for 12V 35Ah GEL/AGM units |
| Cycle life / Deep-cycle rating | Designed for deep cycle use — ~1,500–1,750 cycles at 50% DOD (high-temp HTL series reference). Float-service life design: 15–20 years (at 25°C for HTL series). |
| Operating temperature | Rated to operate roughly −40°C up to +60°C (HTL high-temperature GEL design); typical recommended operating/storage ranges apply — check vendor datasheet for final installation limits. |
| Recommended float charge voltage | Approx. 13.5–13.8 V (typical for GEL/VRLA 12 V batteries) — confirm exact voltages from seller datasheet for temperature compensation. |
| Recommended cycle (bulk) charge voltage | Approx. 14.2–14.6 V (typical GEL/VRLA guidance) — vendor datasheet should be followed. |
| Maximum initial charging current | Typically ≤0.3C (≤~10.5 A for 35 Ah) — follow supplier datasheet. |
| Terminals | Nut & bolt / threaded insert terminals (typical for 12V-35Ah deep-cycle batteries) — confirm with vendor. |
| Certifications | CE, ISO likely (CSPower HTL-series lists CE/UL/ISO references) — request specific certificate copies from seller. |
| Warranty | Manufacturer warranty examples: CSPower HTL-series lists 3 years (at 35–40°C avg). Actual Starmax warranty to be confirmed with supplier. |
| Typical applications | Solar/renewable energy storage, UPS/inverter, mobility devices, electric sweepers/forklifts (small), telecom standby, general deep-cycle uses |
| Manufacturer / origin | Starmax / Shenzhen (manufacturer listings found on Alibaba / Made-in-China; CSPower provides HTL high-temp GEL series as comparable reference) |
| Notes | These specs were assembled from CSPower’s HTL high-temperature GEL product pages and representative 12V-35Ah listings on Made-in-China and Alibaba. For a guaranteed, final datasheet (exact voltages, dimensions, weights, terminal type and certifications for the Starmax SHTL12-35 model), request the manufacturer’s datasheet or a product page from the Starmax/Starmax-Energy supplier. |
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