NPP 12V 45Ah Battery – Stable

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NPP 12V 45Ah Battery – Stable

NPP 12V 45Ah Battery – Stable

(1 đánh giá)

Bình Ắc Quy NPP 12V 45Ah

NPP 12V 45Ah Battery – Stable

  • Rated voltage: 12V
  • Rated capacity: 45Ah
  • AGM sealed lead-acid design
  • Suitable for UPS, fire alarm, security, telecom, and backup power systems
  • Low self-discharge and reliable long-term standby performance

👉 Contact us for technical support and the right battery selection for your system.

🔋 NPP 12V 45Ah Battery – Stable, Maintenance-Free Backup Power Solution ⚡

In backup power systems, choosing the right battery does not only affect runtime, but also determines the stability of the entire system. The NPP 12V 45Ah battery is a popular choice for engineers and contractors thanks to its reliable operation, sealed AGM design, and suitability for a wide range of industrial and commercial applications.

This model belongs to the VRLA AGM sealed lead-acid battery group, designed for maintenance-free operation. With a nominal configuration of 12V – 45Ah, it is suitable for UPS systems, fire alarm systems, telecommunications equipment, security devices, DC cabinets, and many other backup power applications. :contentReference[oaicite:0]{index=0}

👉 Explore related categories: battery products, sealed lead-acid batteries, UPS systems, battery charger cabinets.


🌟 Product Overview

The NPP NP12-45Ah battery is designed for dependable standby and cyclic applications. Thanks to its AGM separator structure and sealed VRLA construction, the battery can operate safely with low self-discharge and without the need for regular water refilling or intensive maintenance.

From a practical engineering perspective, this battery is commonly used where a stable DC backup source is required. It is especially suitable for projects that demand reliable discharge performance, compact installation, and long service life under standard operating conditions. :contentReference[oaicite:2]{index=2}


⚙️ Technical Specifications

Specification Value
Model NP12-45Ah
Nominal Voltage 12V
Number of Cells 6 cells per unit
Nominal Capacity 45Ah
20-hour Rate Capacity 47.8Ah
10-hour Rate Capacity 45Ah
5-hour Rate Capacity 38.4Ah
Battery Type Sealed Lead Acid, VRLA AGM
Terminal Type T14
Dimensions (L x W x H) 197 x 165 x 170 mm (±2 mm)
Total Height 170 mm (±2 mm)
Weight 13.80 kg (±3%)
Internal Resistance 7.5 mΩ at 25°C
Terminal Torque 5.1 ± 0.6 N.m
Design Life 10 years (JIS at 25°C); 10/12 years (Eurobat at 20°C)
Recommended Operating Temperature 25°C ± 3°C
Discharge Temperature Range -15°C to 50°C
Charge Temperature Range -10°C to 50°C
Storage Temperature Range -20°C to 50°C
Float Charging Voltage 13.5V – 13.8V at 25°C
Cycle Charging Voltage 14.5V – 15.0V at 25°C
Temperature Compensation (Float Use) -18 mV/°C/Block
Temperature Compensation (Cycle Use) -30 mV/°C/Block
Maximum Charging Current 13.5A
Maximum Discharge Current (5 sec) 400A
Self-Discharge Rate ≤ 3% per month at 25°C
Container Material ABS UL94-HB, optional V-0

Technical data above is based on the uploaded NPP NP12-45Ah datasheet. :contentReference[oaicite:3]{index=3}


✅ Key Advantages

The NPP 12V 45Ah battery is valued not only for its specifications, but also for its practicality in installation and long-term operation. For electrical contractors and maintenance teams, this is a battery that is easy to integrate and dependable when used with the correct charging profile.

  • 🔹 Maintenance-free sealed design, no water refilling required
  • 🔹 Low self-discharge rate, ideal for standby systems
  • 🔹 AGM technology, safe and clean operation
  • 🔹 Stable performance across a wide temperature range
  • 🔹 Suitable for UPS, fire alarm, telecom, security, and DC systems
  • 🔹 Easy to install in electrical cabinets, battery racks, and charger cabinets
  • 🔹 Suitable for projects requiring technical documentation and traceable supply

🏭 Practical Applications

In real installations, the NPP NP12-45Ah battery is widely used in systems that require stable DC backup power with moderate backup duration. Typical applications include online UPS systems, fire alarm panels, telecommunications equipment, security systems, and industrial control cabinets.

It is also commonly applied in:

  • Emergency lighting systems
  • Fire protection and alarm systems
  • Medical support equipment
  • DC supply cabinets
  • Telecom stations
  • Factories and industrial electrical systems
  • Backup systems for IT and communication devices

From an engineering standpoint, the most important step is calculating the actual load, expected backup time, and the charger compatibility before selecting the battery. Even a genuine battery can lose service life quickly if the charging voltage or discharge depth is not properly controlled.


📌 How to Choose the Right Battery

To select the correct NPP 12V 45Ah battery, users should look beyond voltage and capacity alone. The system configuration, discharge profile, backup duration, and installation conditions all need to be checked carefully.

  • Confirm the system voltage: 12V, 24V, 48V, or higher
  • Calculate the required backup runtime
  • Check the actual load current
  • Verify the available installation space
  • Use a charger compatible with AGM batteries
  • Choose a supplier that supports clear product origin and technical documents

✔️ Quick checklist:

  • Small to medium UPS system? → 12V 45Ah is a common and practical choice
  • Fire alarm, telecom, or security application? → prioritize stable float charging
  • Installed inside an enclosed cabinet? → good ventilation and temperature control are important
  • Project-based purchase? → choose a supplier that can support documentation and technical consultation

🛠️ Installation & Usage Guide

To ensure stable and long-lasting performance, the battery should be installed with correct polarity, secure cable terminations, and the proper charging voltage recommended for AGM batteries. Loose connections or incorrect polarity may cause overheating, voltage drop, and terminal damage.

  • Install with correct positive and negative polarity
  • Use proper cable lugs and secure tightening torque
  • Avoid operation in high-temperature environments
  • Check resting voltage and charging voltage periodically
  • Do not allow the battery to remain in deep discharge for long periods
  • Use a charger configured for VRLA AGM charging profile

⚠️ Common Problems During Use

In many cases, early battery failure is not caused by manufacturing defects, but by incorrect installation or operating conditions. With sealed AGM batteries, the most common issues usually come from improper charging settings, oversizing or undersizing the load, and poor ventilation.

  • Incorrect charging voltage → battery heats up and ages faster
  • Repeated deep discharge → capacity drops quickly
  • Loose terminal connection → local heating at the terminal
  • High ambient temperature → shortens service life significantly
  • Wrong battery sizing → backup time does not meet expectations
  • Lack of periodic inspection → weak batteries are not detected early

❓ FAQ

1. Does the NPP 12V 45Ah battery require maintenance?
→ This is a sealed AGM battery, so under normal use it does not require water refilling like flooded batteries.

2. Can this battery be used for UPS systems?
→ Yes. This is one of the most common applications for the NPP 12V 45Ah battery.

3. Is it suitable for fire alarm and security systems?
→ Yes, as long as the voltage and capacity match the actual load requirements.

4. What is the benefit of AGM technology?
→ AGM construction provides sealed operation, low maintenance, safer installation, and better suitability for standby power systems.

5. How often should the battery be inspected?
→ For continuously operating systems, routine inspection every 1 to 3 months is commonly recommended.

6. Can the battery be installed in a hot environment?
→ It should be avoided whenever possible, because elevated temperature is one of the biggest factors that reduce battery life.

7. When should the battery be replaced?
→ Replacement is recommended when backup time decreases noticeably, voltage drops too quickly, or the battery shows signs of swelling or abnormal heating.

8. What charging current is the maximum allowed?
→ According to the datasheet, the maximum charging current is 13.5A. :contentReference[oaicite:4]{index=4}


🛒 Related Products You May Also Need


🎯 Buy Now

If you are looking for a genuine NPP 12V 45Ah battery for UPS, fire alarm, telecom, or backup DC systems, this is a highly practical option for stable performance and long-term reliability.

👉 Contact us now for technical support, fast quotation, and assistance in choosing the right battery for your actual system requirements.


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📍 Address: No. 47, Lane 26, Van Phu Urban Area, Phu La, Ha Dong, Hanoi

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