WBDP GS1228 is a compact maintenance-free sealed SLA battery from our GS standard series. Designed for light standby power demand, it delivers steady 12V 2.8Ah output with a neat compact shell, widely used as replacement backup batteries for mini UPS, security alarms, emergency lights and small electronic devices for global distributors.

• Model: GS1228
• Rated Voltage & Capacity: 12V 2.8Ah (20-hour rate)
• Type: Valve Regulated Sealed Lead-Acid Battery (VRLA)
• Charging Parameters (25°C Ambient Temp)
  • Cycle charging: 14.40–15.00V
  • Float standby charging: 13.50–13.80V
  • Max initial charging current: ≤0.84A
• Terminal: Flat metal tab terminals, easy for wire soldering or connector assembly

1. Sealed Leak-Proof & Zero MaintenanceHermetic valve-controlled construction locks electrolyte inside, no acid leakage risk. No regular water refilling required, safe to install indoors inside equipment cabinets.
2. Compact Standard Form Factor for Easy ReplacementUniversal standard housing size fits most mainstream 12V2.8Ah battery compartments. Flat tab terminals support flexible wiring, plug-and-play replacement without equipment modification.
3. Reliable Long Standby PerformanceLow self-discharge rate slows capacity loss during idle storage. Stable voltage output guarantees continuous backup power during unexpected power cuts, protecting alarm systems and mini UPS devices.
4. Full Global Export CertificationsAll GS series batteries pass CE EMC, EU REACH SVHC and third-party performance tests, fully compliant with European and global import standards for smooth customs clearance.
5. Wide Temperature Adaptability & Long Service LifeOptimized lead-calcium plate formula extends floating service life, works stably across common indoor temperature ranges for year-round standby operation.

• Mini UPS uninterruptible power supply replacement battery
• Security & fire alarm control panels
• Emergency exit LED lighting systems
• Access control & monitoring equipment
• Small weighing instruments, portable medical standby power
• Kids electric toys and small portable electronic devices