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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
Model SFLC12‑20
Chemistry Lead Carbon Sealed Rechargeable Battery
Nominal Voltage 12 V (6 cells per unit)
Nominal Capacity 20 Ah @ 20 hr rate (1.00 A, 10.50 V)
Capacity @10 hr ≈18.6 Ah @ (1.86 A, 10.8 V)
Capacity @5 hr ≈17.0 Ah @ (3.40 A, 10.5 V)
Capacity @1 hr ≈12.0 Ah @ (12.0 A, 9.60 V)
Internal Resistance ≤ 13.5 mΩ (fully charged @ 25 °C)
Max. Discharge Current 200 A (5 s)
Self‑Discharge ≈3 % per month @ 25 °C
Design Floating Life ≈20 years (design estimate @ 25 °C)
Cycle Life ~2,000+ cycles @ 80 % DOD
Operating Temperature Range Discharge: ‑30 °C ~ 60 °C
Charge: ‑30 °C ~ 60 °C
Storage: ‑30 °C ~ 60 °C
Charge (Standby Use) Initial current ≤ 6 A; Voltage 13.6‑13.8 V
Charge (Cycle Use) Initial current ≤ 6 A; Voltage 14.4‑14.7 V
Dimensions (L×W×H×Total) 166 × 175 × 126 × 126 mm (approx.)
Weight ~8.4 kg ± 3 %
Case Material ABS (UL94‑V0 optional)
Terminal Type T2 style / standard lead carbon terminal
Certifications ISO9001/14001/18001, CE, IEC60896‑21/22, IEC61427
Applications Solar & wind energy storage, UPS systems, telecom, medical, EV golf carts, emergency systems, etc.

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