Lead Acid Battery 6V 4Ah/HR (Ultracell)

Ultracell 6V 4Ah/HR is a compact, sealed lead-acid (VRLA/AGM) battery designed for reliable standby and cyclic use. It’s maintenance-free, easy to install, and delivers consistent output for everyday electronics and educational projects.

Features

• Sealed, maintenance-free VRLA/AGM construction

• Rechargeable with long service life when correctly charged

• Low self-discharge; dependable performance across varied temperatures

• Suitable for both standby and cyclic applications

Typical applications

• Emergency/exit lighting and alarm panels

• Kids’ ride-on cars and toys

• Portable instruments and DIY/IoT backup power

• Small 6V UPS and DC projects

Specifications

• Brand: Ultracell

• Voltage: 6 V

• Capacity: 4 Ah (20-hour rate)

• Chemistry: Sealed Lead Acid, AGM (VRLA)

• Rechargeable: Yes

• Recommended charge – Cyclic: 7.20–7.50 V @ 25 °C, max initial current ≈ 1.2 A

• Recommended charge – Standby: 6.75–6.90 V @ 25 °C

• Terminals: Faston tabs (F1 4.8 mm typical; check product photos)

What’s in the box

• 1 × Ultracell 6V 4Ah sealed lead-acid battery

Notes & safety

• Use a suitable 6V SLA charger; avoid overcharge and deep-discharge.

• Observe polarity (+/–) and do not short-circuit.

• Terminal size may vary by batch (F1/F2); confirm before purchase.