Product parameters

Nominal Voltage: 12V
Nominal Capacity: 28Ah (20 hour rate, 1.75V per unit)
Approximate Weight: 9600g (21.17 pounds)
Terminal Type: B1 (with M5 bolt and nut), T2 and I1 optional
Internal Resistance: ≤ 10m Ω (fully charged state)
Maximum Discharge Current: 420A (5 seconds)
Maximum Charging Current: 8.4A
Operating Temperature Range:
Charging: 0°C&bsp-  40°C (32°F -104°F)
Discharge: -20°C -  50°C (-4°F -122°F)
Storage: -20°C -  40°C (-4°F -104°F)
Container material: Standard ABS (UL94 HB) or flame retardant ABS (UL94 V-0) (optional)
Size:
Length: 175  ±  1.5 millimeters (6.89 ± 0.06 inches)
Width: 166; ±  1.5 millimeters (6.54 ± 0.06 inches)
Container height: 123; ±  1.5 millimeters (4.84 ± 0.06 inches)
Total height: 125; ±  1.5 millimeters (4.92 ± 0.06 inches)

Product features

Maintenance free design: no need to add water for maintenance, reducing maintenance costs and time for users during use
Efficient adsorption glass fiber pad technology: It can effectively prevent gas recombination, improve the service life and safety of batteries
Strong discharge capability: With a maximum short-term discharge current of 420A, it can meet the instantaneous high-power requirements of high load equipment
Low self discharge rate: The monthly self discharge is less than 3%, and the battery can maintain good performance even if not used for a long time
Full range safety: Designed with no free acid, ensuring safe use in all installation directions (except inverted)
Durable shell material: Flame retardant materials can be selected to meet the application needs of higher safety standards

Application scenarios of the product

UPS uninterruptible power supply: used as a backup power source in critical mission equipment and data centers, ensuring seamless switching in the event of a power outage and ensuring the continuous operation of the system.
Electric tools: Suitable for high-frequency use, such as drills, cutting tools, etc., providing continuous and stable power support
Emergency lighting system: widely used in public facilities as an emergency lighting system to ensure lighting supply in emergency situations
Wheelchair: Provides a long-lasting power source for electric wheelchairs, ensuring long-term use
Lawn Mowers and Outdoor Equipment: Provides strong electrical support for lawn mowers and golf carts to operate efficiently and reduce the hassle of frequent battery replacement
Electronic medical equipment: provides reliable backup power for medical equipment in hospitals, ensuring uninterrupted medical operations, especially suitable for equipment with high requirements for power stability

Customer reviews and case

Many customers who use BPS28-12-BB battery  ies have provided feedback on their superior performance.. A northern outdoor tool manufacturer pointed out that this battery still maintains good discharge capacity under low temperature conditions in winter, greatly improving the efficiency of outdoor tools. In addition, a hospital uses this battery to provide backup power for medical equipment, stating that its long-term standby capability and rapid switching response ensure the safety of medical operations BPS28-12-BB battery  y, with its large capacity of 28Ah, reliable maintenance free design, and wide application adaptability, has become an ideal solution for power demand in various fields. From UPS systems to medical equipment, this battery can provide efficient and stable power supply. Its powerful discharge capability, low self discharge rate, and all-round safety make it reassuring for users to rely on its performance in critical moments