Newstar 6V 2.8Ah Sealed Lead Acid UPS Battery (AGM VRLA) 33-02806

The Newstar 33-02806 (6V 2.8Ah) is a compact valve-regulated sealed lead acid (VRLA) battery designed for UPS backup and standby power applications. Built using AGM (Absorbent Glass Mat) technology, it offers stable output, low self-discharge, and maintenance-free operation. Its small footprint and dependable float performance make it ideal for low-voltage UPS systems, control panels, alarm systems, and emergency backup equipment where reliable standby power is essential.

Technical Specifications

• Brand: Newstar

• Model: 33-02806

• Battery Type: Valve Regulated Lead Acid (VRLA)

• Technology: AGM

• Nominal Voltage: 6V (3 cells per unit)

• Rated Capacity:

  • 2.8Ah (20-hour rate @ 5.25V)

  • 2.6Ah (10-hour rate)

  • 1.8Ah (1-hour rate @ 4.80V)

• Internal Resistance: Approx. 27mΩ (fully charged @ 25°C)

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

Physical Dimensions

• Length: 66 ±1 mm

• Width: 33 ±1 mm

• Height: 97 ±1 mm

• Total Height: 103 ±1 mm

• Approx. Weight: 0.48 kg ±5%

• Terminal Type: T1

Charging Information

• Float Charging Voltage (25°C): 6.80 – 6.90V

  • Temperature compensation: −9 mV/°C/Block

• Cyclic Charging Voltage (25°C): 7.25 – 7.50V

  • Temperature compensation: −15 mV/°C/Block

• Maximum Charging Current: 0.84A

• Maximum Discharge Current: 42A (5 seconds)

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 vs Temperature (10HR):

  • 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 & Usage Disclaimer

Warranty:
This battery is supplied with 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.

Applications

✅ Suitable For

• Low-voltage UPS systems

• Alarm and control panels

• Fire & security systems

• Emergency backup power

• Communication and signalling equipment

❌ NOT Suitable For

• Cars or automotive starting

• Generators or engine starting

• Wheelchairs or mobility devices

• Golf carts

• Electric bikes (e-bikes)

• Solar or deep-cycle applications