Product parameters

nominal voltage: 12V
nominal capacity: 73Ah @  10 hour rate, termination voltage 1.75V/unit
approximate weight: 24.75 kg (54.57 pounds)
Terminal:  B5 (equipped with M6 bolts and nuts), 2 options
Internal resistance: ≤ 4m Ω (fully charged)
Maximum discharge current:  650A (5 seconds)
Maximum charging current:  21.9A
Operating temperature range:
Charging:  0°C  To  40°C (32°F to 104°F)
Discharge:- 20°C  To  50°C (-4°F to 122°F)
Storage:- 20°C  To  40°C (-4°F to 104°F)
Container material:
Standard ABS (UL 94-HB) HRL75-12
Optional flame retardant ABS (UL 94-VO) HRL75-12FR
Size:
Length:
; 350 ± 20mm (13.78 ± 0.08 inches)
Width:  166 ± 2.0mm (6.54 ± 0.08 inches)
Container height:  174 ± 20mm (6.85 ± 0.08 inches)
Total height:  174 ± 20mm (6.85 ± 0.08 inches)
Initial torque of terminal hardware: B5/I2 (5.5N · m ± 5%)

Product features

Maintenance free Design:  Users do not need to frequently add water, greatly reducing maintenance costs and workload
No free acid: The sealing design of the battery prevents liquid leakage and is suitable for various usage environments
Low self discharge rate: The monthly capacity loss is less than 3%, ensuring that the battery maintains high availability even when not in use for a long time
Multi directional installation: The battery can be installed in any direction (excluding inversion), providing greater flexibility
Efficient design:  Specially designed for high-speed usage scenarios, capable of quickly responding to high load demands
AGM technology: The use of absorbent glass fiber blanket technology has improved the gas recombination efficiency and extended the battery life
Power density improvement: At a discharge rate of 5 to 15 minutes, the power density is 30% higher than the BP series, meeting diverse applications with high power demands

Application scenarios of the product

Uninterruptible power supply (UPS):  Provide seamless power support for computer systems and other critical equipment during power outages
Wheelchair:  To provide reliable endurance for electric wheelchairs and ensure the safety of users' travel
Golf Cart:  Provide stable power in outdoor environments such as golf courses to support long-term use
Wind energy system: Effectively storing wind energy, improving energy utilization efficiency, and balancing the volatility of power generation
Medical equipment: Provide reliable power supply for portable medical devices to ensure the continuity of medical services
Jumper starter:  Provide fast starting power in devices such as cars, suitable for emergency use

Customer reviews and case

A user at a telecommunications equipment company stated that the HRL75-12-BB battery  performs exceptionally well in its UPS system, providing strong power support while its maintenance free feature greatly reduces daily workload.. Another medical device manufacturer has also provided feedback that this battery runs stably in their mobile devices, with fast charging speed and strong endurance, ensuring the reliability of the device in emergency situations The HRL75-12-BB battery  y, with its excellent power output, long lifespan, and maintenance free characteristics, has become the best choice for various application scenarios such as uninterruptible power supplies, medical equipment, and industrial vehicles. Its excellent performance under various conditions ensures that users have stable and reliable power supply at critical moments, making it an ideal choice for efficient power reserve solutions