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 |
|---|---|
| Model | Starmax SFLC12‑90 |
| Nominal Voltage | 12 V DC (6 cells per unit) |
| Rated Capacity | 90 Ah @ 20 hr rate |
| Nominal Capacity @ C10 | ≈90 Ah (10 hr rate)* |
| Lead Carbon Technology | Activated carbon in negative plate for fast charge acceptance, enhanced cycle life* |
| Design Floating Service Life | ≥ 15–20 years (typical long‑life lead carbon design)* |
| Fast‑Charge Performance | Improved rapid charge/discharge vs standard lead‑acid* |
| Internal Resistance | Not specified (expected low internal resistance for fast charge models) |
| Operating Temperature | ~‑15 °C to 60 °C (wide range lead carbon battery spec)* |
| Float Charge Voltage (25 °C) | 13.6 – 13.8 V DC* |
| Cycle Charge Voltage (25 °C) | 14.4 – 14.7 V DC* |
| Max Discharge Current | Not specified (lead carbon models often ~540 A @5 s or higher)* |
| Dimensions (L×W×H) | 307 × 169 × 211 mm (total height ~215 mm)* |
| Weight | ~30 kg (approximate typical weight for 12 V 90 Ah lead carbon battery)* |
| Case Material | ABS (sealed, maintenance‑free VRLA style)* |
| Terminals | Standard lead battery terminals (varies by application)* |
| Maintenance | Sealed, maintenance‑free |
| Certifications (Typical) | CE / ISO / UL / MSDS (varies by application)* |
| Warranty | Typically 1–3 years (varies by application)* |
| Typical Applications | Solar energy storage, UPS, telecom backup, off‑grid systems, EV/EBike/Golf cart power* |












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