Product details

In practical applications, the BPS28-12's 9.6kg weight (approximately 21 lbs) and 4.92-inch height significantly save space, with its 6.89-inch length specification allowing side-by-side installation in standard battery racks. The No.7 standard terminal position and No.9 extended terminal position support parallel expansion, meeting system power supply demands up to 230Ah. With Eurobat-certified long-life design and a self-discharge rate below 3% per month, it ensures rapid response from backup power systems during sudden outages. Whether for emergency power supply to cash register systems in chain supermarkets or as a core component of rural photovoltaic energy storage systems, this battery redefines power reliability standards with its 12-year ultra-long service cycle.As B.B. Battery's flagship product, the BPS28-12 battery perfectly combines industrial-grade protection with intelligent power supply. Its impact-resistant ABS casing features a six-hole electrolyte filling design, ensuring precise electrolyte infusion during production, paired with flame-retardant material pressure relief valves to effectively prevent explosion risks. The battery employs high-density lead paste grid technology internally, delivering 28Ah capacity at 20-hour rate and maintaining 23.8Ah energy output even after 5-hour discharge, making it particularly suitable for access control systems or medical equipment requiring over 30 minutes of continuous power supply. The compact 9.6kg body (175×166×125mm) fits flexibly into cabinet corners, with B1 standard terminals and optional T2 terminal configurations adapting to various wiring scenarios.In the field of renewable energy, this maintenance-free battery demonstrates unique advantages. The design without free acid eliminates leakage risks, allowing installation at any angle except inverted on solar panel brackets or inside wind turbine nacelles. Its low self-discharge characteristic maintains over 90% energy storage efficiency even in low-light winter conditions, coupled with built-in AGM glass fiber separators achieving over 98% oxygen recombination efficiency, significantly extending cycle life. Explosion-proof monitoring systems on oil drilling platforms, uninterrupted power supplies for mountain communication base stations, and even auxiliary power units for electric vehicles are adopting this battery model.In practical applications, the BPS28-12's 9.6kg weight (approximately 21 lbs) and 4.92-inch height significantly save space, with its 6.89-inch length specification allowing side-by-side installation in standard battery racks. The No.7 standard terminal position and No.9 extended terminal position support parallel expansion, meeting system power supply demands up to 230Ah. With Eurobat-certified long-life design and a self-discharge rate below 3% per month, it ensures rapid response from backup power systems during sudden outages. Whether for emergency power supply to cash register systems in chain supermarkets or as a core component of rural photovoltaic energy storage systems, this battery redefines power reliability standards with its 12-year ultra-long service cycle.

Product Features

  • Maintenance free(no water topping-up required)
  • No free acid(Non-spillable battery)
  • Low self-discharge rate
  • Can be used in any orientation(excluding used inverted)
  • Absorbent Glass Mat technology for efficient gas recombination
  • Filtered with explosion proof filter
  • Long life expectancy 10 years in float application

Application Scenarios

  • Uninterruptible power supplies
  • Security and safety systems
  • Emergency lighting and video surveillance systems
  • Access control and management systems
  • Medical equipment
  • Telecommunication facilities
  • Alternative energy sources
  • Electrical supply network and power industry
  • Street lighting and traffic lights
  • Data processing centres

Product parameters

  • ModelBPS28-12
  • Voltage12 V
  • Nominal Capacity (Ah) 20-hour rate28
  • Nominal Capacity (Ah) 10-hour rate26.6
  • Nominal Capacity (Ah) 5-hour rate23.8
  • Weight kg9.6
  • Weight lb21.17
  • Terminal standard typeB1
  • Terminal standard position7
  • Terminal optional typeT2 I1
  • Terminal optional position9
  • Dimensions Length (mm)175
  • Dimensions Length (in)6.89
  • Dimensions Width (mm)166
  • Dimensions Width (in)6.54
  • Dimensions Height (mm)125
  • Dimensions Height (in)4.92
  • Dimensions Total Height (mm)125
  • Dimensions Total Height (in)4.92

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