Product parameters

Rated Voltage: 12V
Rated Capacity: 28Ah (1.75V per section) at a 20 hour rate
Approximate Weight: 9600 grams (21.17 pounds)
Terminal Configuration: B1 (equipped with M5 bolts and nuts), T2 and I1 are optional
Internal Resistance: ≤ 10m Ω (fully charged state)
Maximum Discharge Current: 420A (continuous for 5 seconds)
Maximum Charging Current: 8.4A
Operating Temperature Range:
Charging: 0°C40°C (32°F104°F)
Discharge: -20°C50°C (-4°F122°F)
Storage: -20°C40°C (-4°F104°F)
Container Material:
Standard: ABS (UL94  HB) BP28-12
Optional: Flame retardant ABS (UL94  V-0) BP28-12FR

Product features

Maintenance free Design: No need to add liquids regularly, saving time and effort
Safe and reliable: No free electrolytes, avoiding the risk of leakage
Ultra low self discharge rate: With a monthly self discharge rate of less than 3%, it maintains a longer charging state
Flexible installation: Supports vertical and horizontal installation, adapting to various environmental requirementsProduct Application ScenariosBP28-12-BB battery  ies are widely used in various scenarios, such as:UPS (uninterruptible power supply)
Telecommunications systems
Switch equipment
Safety monitoring systems
Medical equipment
Photovoltaic power generation systems
Emergency lighting
Golf carts

Customer reviews and case

Many users have reported that BP28-12-BB battery  ies can still work stably in extreme environments, especially in telecommunications and medical systems, greatly improving equipment reliability.. Customers praise its high discharge current and long service life, which enables it to always provide sufficient power in emergency situations Overall, the BP28-12-BB battery  is a high-performance VRLA rechargeable battery that, with its excellent technology and design, has become an ideal choice for users looking for reliable power solutions. Whether in household or industrial applications, it can provide efficient power support to safeguard various devices. Choose the BP28-12-BB battery  and opt for a secure and efficient power guarantee