Description
The Starmax SFLC Fast-Charge Long-Life Lead Carbon Battery is a high-performance deep cycle lead carbon battery ideal for solar power systems, off-grid energy storage, wind power applications, sweepers, golf carts, and light industrial electric vehicles. Built for extreme temperatures (-20°C to 60°C), it features low self-discharge, over 3,000 cycles at 50% DOD, and a float service life of ≥20 years. ISO 9001/14001/18001 and CE/IEC certified, this lead carbon battery delivers reliable, long-lasting power for industrial and renewable energy applications.
| Specification | Details |
|---|---|
| Product Name | Starmax SFLC6‑300 6V 300Ah Fast‑Charge Long‑Life Lead Carbon Battery |
| Model / Equivalent | HLC6‑300 / HDC6‑300 (Lead Carbon Series) |
| Nominal Voltage | 6V (3 cells per unit) |
| Nominal Capacity | 300Ah @ 20 hr rate (25°C) |
| Capacity @ 10 hr | ≈ 278.5 Ah @ 29.7 A, 5.40 V |
| Capacity @ 5 hr | ≈ 258 Ah @ 51.6 A, 5.25 V |
| Capacity @ 1 hr | ≈ 180.5 Ah @ 180 A, 4.80 V |
| Internal Resistance | ≤ 2.8 mΩ (full charged @ 25°C) |
| Design Floating Life | ≈ 18‑20 years @ 25°C |
| Cycle Life | 50% DoD ≈ 3000 cycles (typical) / >2000 cycles @ 80% DoD |
| Max Discharge Current | ≈ 2250 A (5 s @ 25°C) |
| Self‑Discharge | ~ 3% per month @ 25°C |
| Recommended Charge |
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| Operating Temperature |
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| Dimensions | 295 mm (L) × 178 mm (W) × 346 mm (H) / Total Height: 350 mm |
| Weight | ≈ 46.5 kg |
| Case / Cover Material | ABS (UL94‑V0 optional) |
| Terminal Type | T5 / M8 (female copper insert) |
| Warranty | 3 years |
| Certifications | ISO9001/14001/18001, CE, IEC60896‑21/22, IEC61427 |
| Applications | Solar & Wind Energy Storage, UPS & Backup Power, Telecom, Emergency Lighting Systems, Marine & RV, Electric Tools, Forklifts, Security Systems, Control Equipment |









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