Newstar 12V 3.3Ah Sealed Lead Acid UPS Battery (AGM VRLA) 33-03312

The Newstar 12V 3.3Ah is a compact sealed lead acid (VRLA) battery designed for UPS backup and standby power applications. Built with AGM (Absorbent Glass Mat) technology, it delivers reliable backup performance, low self-discharge, and maintenance-free operation. Its balanced capacity and compact size make it ideal for mini-UPS units, alarm panels, emergency lighting, and control systems requiring dependable short-duration backup power.

Technical Specifications

• Brand: Newstar

• Battery Type: Sealed Lead Acid (VRLA)

• Technology: AGM

• Nominal Voltage: 12V

• Rated Capacity:

  • 3.3Ah (20-hour rate @ 10.5V)

  • 3.0Ah (10-hour rate)

  • 2.0Ah (1-hour rate @ 9.6V)

• Internal Resistance: Approx. 50mΩ (fully charged @ 25°C)

• Design Life: 5 years (float use @ 25°C)

Physical Dimensions

• Length: 134 ±1 mm

• Width: 67 ±1 mm

• Height: 61 ±1 mm

• Total Height: 67 ±1 mm

• Approx. Weight: 1.2 kg ±5%

• Terminal Type: T1

Charging Information

• Float Charging Voltage (25°C): 13.50 – 13.80V

  • Temperature compensation: −18 mV/°C

• Cyclic Charging Voltage (25°C): 14.50 – 15.00V

  • Temperature compensation: −30 mV/°C

• Maximum Charging Current: 0.99A

Operating Conditions

• Discharge Temperature Range: −15°C to 50°C

• Charge Temperature Range: −10°C to 50°C

• Storage Temperature Range: −20°C to 50°C

• Capacity Retention (20HR):

  • 40°C: 102%

  • 25°C: 100%

  • 0°C: 85%

  • −15°C: 65%

• Self-Discharge at 25°C:

  • 3 months: 91%

  • 6 months: 82%

  • 12 months: 65%

Operating Conditions

• Discharge Temperature Range: −15°C to 50°C

• Charge Temperature Range: −10°C to 50°C

• Storage Temperature Range: −20°C to 50°C

• Capacity Retention (20HR):

  • 40°C: 102%

  • 25°C: 100%

  • 0°C: 85%

  • −15°C: 65%

• Self-Discharge at 25°C:

  • 3 months: 91%

  • 6 months: 82%

  • 12 months: 65%

Operating Conditions

• Discharge Temperature Range: −15°C to 50°C

• Charge Temperature Range: −10°C to 50°C

• Storage Temperature Range: −20°C to 50°C

• Capacity Retention (20HR):

  • 40°C: 102%

  • 25°C: 100%

  • 0°C: 85%

  • −15°C: 65%

• Self-Discharge at 25°C:

  • 3 months: 91%

  • 6 months: 82%

  • 12 months: 65%

Warranty:
This battery includes a 1-year warranty only when used for UPS backup applications under normal operating conditions.

Important Usage Notice:
This battery is STRICTLY for UPS backup use.
Use in cars, generators, wheelchairs, golf carts, e-bikes, solar systems, or for engine starting will void the warranty. No warranty claims will be accepted for non-UPS usage.