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SANI Engineering & Automation Ltd.
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The YH 4V 4.0Ah Valve Lead-Acid Battery is a high-quality, rechargeable, maintenance-free battery suitable for UPS systems, emergency lighting, alarm systems, and other low-power devices. Safe, sealed, and reliable for long-lasting performance.
✅ Type: Rechargeable Valve Regulated Lead-Acid (VRLA) Battery
✅ Model: YH-4V4.0Ah
✅ Voltage: 4V
✅ Capacity: 4.0Ah
✅ Maintenance-Free: No water refill required
✅ Rechargeable: Supports standby and cyclic applications
✅ Constant Voltage Charging:
Standby use: 4.5–4.5V, <1.35A
Cycle use: 4.7–4.9V, <1.3A
✅ Safe & Sealed Design: Ready for indoor use
✅ Compact & Durable: Suitable for UPS, emergency lights, alarms
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