Product parameters

Rated voltage: 12V
Rated capacity: 4.0Ah @  20 hour rate; F. V. (1.75V per monomer)
Approximate weight:  1670 grams (3.68 pounds)
Terminal type:  T1 (Faston Tab 187), T2 is optional
Internal resistance:
& Lt; 45m Ω (fully charged state)
Maximum discharge current:  60A (5 seconds)
Maximum charging current:  1.2A
Operating temperature range:
Charging:  0°C40°C (32°F104°F)
Discharge: - 20°C50°C (-4°F122°F)
Storage: - 20°C40°C (-4°F104°F)Standards and certifications
Compliance with standards:
IEC  61056-1
JIS  C  8702-1
GB/T  19639.1
Size
Length:  90 ± 1.5 millimeters (3.54 ± 0.06 inches)
Width:  70 ± 1.5 millimeters (2.76 ± 0.06 inches)
Container height:  102 ± 1.5 millimeters (4.02 ± 0.06 inches)
Total height:  106 ± 2.0 millimeters (4.17 ± 0.08 inches)
Container material:
Standard:  ABS (UL94  HB)
Optional:  Flame retardant ABS (UL94  V-0)

Product features

Maintenance free design:  No need to add water, simple and convenient for daily use, saving a lot of maintenance time
Leak proof design: Using non free electrolyte to prevent electrolyte leakage and ensure safety during use
Low self discharge: The monthly self discharge rate is less than 3%, and it can maintain good performance even after long-term storage
Flexible installation:  Supports vertical and horizontal installation, adapts to the installation needs of different devices, and improves the convenience of use

Application scenarios of the product

BP4-12-BB battery  is suitable for multiple daily and industrial fields, especially in the following scenarios:UPS uninterruptible power supply:  Provide power backup to ensure that the equipment can continue to operate even in the event of a power outage
Electronic doorbell:  Provide long-lasting power for home smart devices
Toy car:  As a power battery, it is suitable for various electric toy cars
Fan:  Provide stable power supply for small household appliances such as portable fans

Customer Review and Case

StudyA household user stated that the BP4-12-BB battery  performs well in their smart doorbell, requiring no replacement for a long time and maintaining efficient power supply.. A toy manufacturer has reported that this battery has shown stable performance in tests of electric toy cars, with a much longer range than expected. Meanwhile, in the field application of multiple UPS systems, the battery has shown stable performance, providing continuous power supply guarantee for multiple enterprises BP4-12-BB battery  is a reliable universal battery, suitable for a wide range of applications such as UPS, electronic doorbells, and toy cars due to its maintenance free design, low self discharge rate, and leak proof structure. Its sturdy durability and efficient charging and discharging performance ensure long-term power supply, making it the ideal choice for your device's power needs