The Power Sonic PS12550 - U is a 12V 55Ah sealed lead acid (SLA) battery engineered for large UPS systems, electric mobility equipment, floor scrubbers, solar storage, and industrial equipment. With U (Universal Stud) terminals and a maintenance-free AGM design, it delivers reliable standby and cycling power across demanding commercial and industrial environments.
Specifications
| Voltage | 12V |
|---|---|
| Capacity | 55Ah |
| Terminal | U (Universal Stud) |
| Technology | Sealed Lead Acid (SLA), AGM |
| Design | Maintenance-free, spill-proof, mountable in any position |
| Applications | Large ups systems, electric mobility equipment, floor scrubbers, solar storage, and industrial equipment |
Will it fit?
Mid-to-large UPS systems, commercial cleaning equipment, electric wheelchairs and scooters, and industrial standby applications requiring 12V 55Ah SLA batteries.
Not sure? Match the voltage, capacity and terminal type on your current battery, bring it in, or call (650) 583-6735 and we’ll confirm the fit.
What you get at Peninsula Battery
- Free battery testing — make sure it’s really the battery before you buy
- Ready in about 1 hour for pickup at our South San Francisco shop
- Same-day local delivery — $35 within 25 miles when you order by 1 pm (Mon–Fri); after 1 pm, next business day
- Old battery recycling and core exchange (a refundable core deposit may apply)
Why Peninsula Battery?
Locally owned and serving the Bay Area since 1993. Trusted by Bay Area fleets, airlines, healthcare systems and government agencies. DBE and ACDBE certified. Visit us at 1139 Airport Blvd, South San Francisco, or call (650) 583-6735 (Mon–Fri, 8:00 am–4:30 pm).