Newstar 12V 20Ah Sealed Lead Acid UPS Battery (AGM VRLA, T12 Terminal) 33-2012

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.