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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 | Value |
|---|---|
| Model | Starmax SHTL12-70 (12V 70Ah) — High-Temperature GEL / Deep-Cycle AGM style |
| Chemistry / Type | Sealed GEL (High-Temperature Deep-Cycle) / VRLA AGM variants referenced |
| Nominal voltage | 12 V |
| Nominal capacity | 70 Ah (C20) |
| Recommended use | Solar / Off-grid energy storage, Telecom, UPS, Mobility (forklifts / sweepers), general deep-cycle applications |
| Design (float) life @ 25°C | 8–20 years (supplier-dependent: typical VRLA/AGM 8–10 yrs; CSPower HTL gel high-temp: 15–20 yrs float design). :contentReference[oaicite:1]{index=1} |
| Cycle life | ~1,750 cycles @ 50% DOD (example from HTL Pro series); typical deep-cycle gel/AGM cycle life varies by DOD and model. :contentReference[oaicite:2]{index=2} |
| Operating temperature | -40°C to +60°C (HTL high-temperature gel designs). :contentReference[oaicite:3]{index=3} |
| Float / standby charge voltage (typical) | 13.5–13.8 V @ 25°C (typical VRLA/gel guidance from datasheets; adjust for temperature). :contentReference[oaicite:4]{index=4} |
| Cycle (absorption) charge voltage (typical) | 14.4–14.8 V @ 25°C (manufacturer-specific recommended charge for deep-cycle gel/AGM). :contentReference[oaicite:5]{index=5} |
| Maximum discharge current (recommendation) | Supplier listings for 12V70Ah series show typical maximum discharge / recommended continuous discharge values vary; consult seller/datasheet for exact A ratings for SHTL12-70. (Examples in referenced product pages.) :contentReference[oaicite:6]{index=6} |
| Internal resistance | Not consistently published across listings — check the Starmax datasheet or vendor spec sheet for precise mΩ value for the specific SHTL12-70 SKU. :contentReference[oaicite:7]{index=7} |
| Dimensions (L × W × H) | Typical DIN70 form: 278 × 174 × 189 mm (examples on 12V70Ah listings). Confirm with vendor drawing for exact SHTL12-70 size. :contentReference[oaicite:8]{index=8} |
| Weight | ≈ 21.5 kg (≈ 47.4 lb). (example value from 12V-70Ah product page). :contentReference[oaicite:9]{index=9} |
| Terminal type / fittings | Top terminals, terminal caps / lugs typical; some telecom front-terminal variants (STFG) available in Starmax family — confirm terminal style for SHTL12-70 SKU. :contentReference[oaicite:10]{index=10} |
| Self-discharge | Low self-discharge when stored at 25°C; check vendor spec for %/month. (Typical VRLA/gel guidance on vendor pages.) :contentReference[oaicite:11]{index=11} |
| Warranty | Manufacturer/vendor dependent — examples: 3 years warranty indicated on some 12V gel product pages; check seller terms for SHTL12-70. :contentReference[oaicite:12]{index=12} |
| Certifications | Common: CE, ISO9001/14001, IEC/UL approvals shown on several supplier pages — verify certificate files for the specific SKU. :contentReference[oaicite:13]{index=13} |
| Applications | Solar & off-grid energy storage, telecom / UPS, mobility equipment (sweepers, forklifts), general deep-cycle use. :contentReference[oaicite:14]{index=14} |
| Notes / vendor cautions | “SHTL12-70” SKU name appears to match Starmax-style 12V70Ah high-temp gel family — however vendor pages differ (some list ST12-70, STFG12-70, SX12-70, SLG12-70). Confirm exact SKU and request the Starmax SHTL12-70 datasheet or drawing from supplier before final procurement. :contentReference[oaicite:15]{index=15} |
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