Newstar 12V 20Ah Sealed Lead Acid UPS Battery (AGM VRLA, T12 Terminal) 33-2012
- 20Ah Capacity: Reliable backup power for UPS and standby systems
- AGM VRLA Technology: Sealed, spill-proof, and maintenance-free construction
- 5 Year Design Life: Designed for float service at 25°C
- Stable Standby Performance: Suitable for critical backup applications
- Low Internal Resistance: Approx. 12mΩ for dependable discharge performance
- High Discharge Capability: Maximum discharge current up to 300A for 5 seconds
- Low Self-Discharge: Maintains stored capacity during standby periods
- T12 Terminal Version: Secure bolt-type terminal connection for compatible systems
- Download the data sheet for this battery here
The Newstar NP12-20Ah (12V 20Ah) is a valve-regulated lead-acid (VRLA) battery designed for UPS backup and standby power applications. Built with AGM (Absorbent Glass Mat) technology, it offers maintenance-free operation, dependable discharge performance, and reliable standby power for critical systems. With a 5-year float design life at 25°C, this battery is well-suited for UPS systems, alarm panels, emergency lighting, security equipment, and backup power installations that require stable and consistent performance
Technical Specifications
- Brand: Newstar
- Model: 33-2012
- Battery Type: Sealed Lead Acid (VRLA)
- Technology: AGM
- Nominal Voltage: 12V (6 cells per unit)
- Rated Capacity:
- 20Ah (20HR @ 10.5V)
- 18.5Ah (10HR @ 10.5V)
- 12Ah (1HR @ 9.60V)
- Terminal Type: T3 / T12
- Internal Resistance: Approx. 12mΩ
- Maximum Charging Current: 6A
- Maximum Discharge Current: 300A (5 sec.)
- Design Life: 5 years for floating use at 25°C
- Eurobat Classification: 3–5 years, standard commercial
Physical Specifications
- Length: 181 ±2 mm
- Width: 77 ±1 mm
- Height: 167 ±2 mm
- Total Height: 167 ±2 mm
- Weight: Approx. 5.50 kg ±4%
- Terminal Option for This Listing: T12
- Recommended Terminal Torque: 3.0 ±0.6 N.m
Charging Specifications
- Float Voltage: 13.60 – 13.80V
- Cycle Voltage: 14.50 – 15.00V
- Temperature Compensation:
- Float: −18mV/°C/Block
- Cycle: −30mV/°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, wheelchairs, golf carts, e-bikes, engine starting applications, or any non-UPS usage will void the warranty. Warranty claims will not be accepted for misuse.
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