Description
The PowerSonic PS-490 is a 4 Volt 9 Amp Hour (Ah) sealed lead acid (SLA) battery designed for general purpose and standby applications. Featuring Absorbent Glass Mat (AGM) technology, this maintenance-free, valve-regulated (VRLA) battery ensures reliable performance, long service life, and excellent deep discharge recovery. The PS-490 delivers dependable power in compact form, ideal for small UPS systems, emergency lighting, and backup equipment.
Specifications
Specification | Detail |
---|---|
Brand | PowerSonic |
Series | PS |
Model | PS-490 |
Voltage | 4V |
Capacity | 9Ah |
Chemistry | Sealed Lead Acid (AGM, VRLA) |
Case Material | ABS Plastic |
Length | 2.76 in (70 mm) |
Width | 1.85 in (47 mm) |
Height | 3.98 in (101 mm) |
Height Over Terminal | 4.21 in (107 mm) |
Approx. Weight | 2.43 lbs (1.1 kg) |
Terminal Type | F1/F2 (Varies by model) |
Design Life | 3–5 years (standby use) |
Maintenance | Maintenance-Free, Rechargeable |
Key Features