WBDP GS12550 is a high-capacity deep cycle sealed lead acid battery from our classic GS series. With large 55Ah storage capacity, net weight 16.3kg and standard cabinet size 229x138x208mm, this maintenance-free SLA battery delivers stable long-duration power output. It is the ideal energy storage backup solution for off-grid solar power systems, industrial UPS power supplies and telecom communication base stations, favored by global engineering contractors and power equipment distributors.

• Model: GS12550
• Nominal Parameter: 12V 55Ah (10-hour discharge rate)
• Overall Dimension: 229 * 138 * 208 mm
• Net Weight: 16.3 kg
• Battery Type: Valve Regulated Sealed Lead-Acid (VRLA)
• Charging Voltage Standard (25°C Ambient Temperature)
  • Cycle charging mode: 14.4 – 14.7 V
  • Float standby charging mode: 13.5 – 13.8 V
  • Max initial charging current: ≤15.7 A
• Terminal: Large thick copper terminals, support high-current discharge and stable cable connection

1. High Capacity & Long Discharge Runtime
   55Ah large energy storage capacity offers extended backup time during power blackouts. Perfectly meets long-hour power demand of off-grid solar equipment, industrial UPS and uninterrupted telecom signal transmission systems.
2. Totally Sealed & Maintenance-Free Design
   Hermetic safety valve sealing technology prevents electrolyte leakage, no regular water topping-up required. Safe indoor and outdoor cabinet installation without corrosion damage to surrounding devices.
3. Deep Cycle & Long Service Life Performance
   Optimized thick lead-calcium alloy grid plate structure enhances deep discharge resistance, effectively slowing capacity attenuation. Supports frequent charge-discharge cycles for solar energy storage and long-term floating standby for telecom & UPS equipment.
4. Standard Cabinet Size for Direct Replacement
   Universal 229*138*208mm outer dimension matches most mainstream 12V55Ah battery cabinets worldwide, enabling plug-and-play replacement without modifying equipment brackets or power storage cabinets.
5. Full Global Compliance Export Certifications
   All GS series batteries pass CE, EU REACH SVHC hazardous substance testing and third-party electrical safety & performance inspection. Fully comply with import standards of Europe, Southeast Asia, Middle East and other regions to guarantee smooth customs clearance.
6. Wide Temperature Operating Range
   Stable performance under variable temperature environments, reliable operation for outdoor solar power stations and indoor telecom machine rooms all year round.

• Off-grid solar power storage systems, solar street light energy cabinets
• Industrial UPS uninterruptible power supply, emergency backup power station
• Telecom base stations, communication signal equipment, network room backup power
• Wind-solar hybrid energy storage equipment
• Large security monitoring central power supply
• Medical equipment & industrial automation standby power