Newstar 33-2300 2V 300Ah Sealed Lead Acid UPS Battery (AGM VRLA – Very Long Life)
- 300Ah Capacity: High-capacity standby power for large backup systems
- 2V Single Cell Design: Suitable for building larger battery banks
- 15 Year Design Life: Long float service life at 25°C
- AGM VRLA Technology: Sealed, spill-proof, and maintenance-free
- Low Internal Resistance: Approx. 0.7mΩ for efficient performance
- High Discharge Capability: Supports demanding standby loads
- Low Self-Discharge: Maintains stored capacity during standby periods
- Industrial Reliability: Designed for critical long-life backup applications
- Download the battery data sheet here
The Newstar NP2-300Ah (2V 300Ah) is a high-capacity valve regulated lead acid (VRLA) battery designed for UPS backup and standby power systems. Built with advanced AGM (Absorbent Glass Mat) technology, it offers maintenance-free operation, dependable discharge performance, and long-term reliability for critical backup applications. With a 15-year float design life at 25°C, this battery is well suited for large UPS banks, telecom backup systems, industrial standby installations, and other mission-critical power environments.
Technical Specifications
- Brand: Newstar
- Model: NP2-300Ah
- Battery Type: Sealed Lead Acid (VRLA)
- Technology: AGM
- Nominal Voltage: 2V (1 cell per unit)
- Rated Capacity:
- 300Ah (10HR @ 1.80V)
- 225Ah (3HR @ 1.80V)
- 165Ah (1HR @ 1.75V)
- Internal Resistance: Approx. 0.7mΩ
- Maximum Charging Current: 60A
- Maximum Discharge Current: 2100A (5 sec.)
- Design Life: 15 years for float use at 25°C
- Eurobat Classification: >12 years, very long life
Physical Specifications
- Length: 171 ±2 mm
- Width: 151 ±2 mm
- Height: 330 ±2 mm
- Total Height: 364 ±2 mm
- Weight: Approx. 18.00 kg ±3%
- Terminal Type: T20 (M8 × 16)
Charging Specifications
- Float Voltage: 2.25 – 2.30V
- Cycle Voltage: 2.40 – 2.50V
- Temperature Compensation:
- Float: −3mV/°C/Block
- Cycle: −5mV/°C/Block
Operating Conditions
- Discharge Temperature: −15°C to 50°C
- Charge Temperature: −10°C to 50°C
- Storage Temperature: −20°C to 50°C
Capacity vs Temperature:
- 40°C → 102%
- 25°C → 100%
- 0°C → 85%
- −15°C → 65%
Self-Discharge:
- 3 months → 91%
- 6 months → 82%
- 12 months → 65%
Warranty & Usage Disclaimer
Warranty:
This battery includes a 1-year warranty only when used for UPS backup applications under normal operating conditions.
Important Notice:
This battery is STRICTLY for UPS backup use only.
Use in cars, generators, engine starting applications, wheelchairs, golf carts, e-bikes, or any non-UPS usage will void the warranty. No warranty claims will be accepted for use outside UPS backup applications.
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