12V 28W Valve Regulated Sealed Lead Acid Battery GP1272F2

Product Features

Product type: Valve Regulated Lead Acid (VRLA) battery
Maintenance-free; gas recombination efficiency up to 99%, achieved through Absorbent Glass Mat (AGM) technology
Pure lead construction with proprietary elements
Developed for float standby power applications
Manufactured in accordance with IEC 61056-1/2:2012; UL1989 recognition (MH14533) also obtained

Application Scenarios

Backup power for security alarm control panels
Evacuation indicators and emergency lighting fixtures
Backup power for infusion pumps and medical monitors
Building intercom and access control systems
Linkage control panels and fire alarm systems
Testing equipment and small electronic instruments

Product parameters

Model：GP1272F2 12V28W
Voltage：12 Vdc
Nominal Capacity：28W @15Min-rate
Watts per Cell：56.5 (5-Min 1.67 VPC @ 25°)
Watts per Cell：28.6 (15-Min 1.67 VPC @ 25°)
Max. Charge Current：2.80 A
Max. Discharge Current：130 A
Short Circuit Current：304 A
Internal Resistance：19.8 mΩ
Terminal Type：F2 terminal (Faston Tab 250)
Container Material：ABS (UL 94-HB) standard, flame-retardant (94-V0) available upon request
Weight：2.10 / 4.63 kg / lb.
Length (L)：150.90 / 5.94 mm / in
Width (W)：64.80 / 2.55 mm / in
Height (H)：98.60 / 3.88 mm / in
Design Life：Up to 5 years in standby service at 25°C; Eurobat (20°C): 3-5 years, Standard Commercial
Float Charging Voltage：13.5 - 13.8 Vdc/battery
Equalizing Charging Voltage：14.4 - 15.0 Vdc/battery
Operating Temperature：discharge -15°C to 50°C; charge/storage -15°C to 40°C
Note：F1 terminal is available; Max Discharge Current = 100 A

Product details

As a general-purpose valve regulated sealed lead acid battery in the GP series, the CSB GP1272F2 uses Absorbent Glass Mat (AGM) technology, features a maintenance-free design, and can achieve gas recombination efficiency of up to 99%. In terms of dimensions, it is 150.90 mm long, 64.80 mm wide, and 98.60 mm high, weighs approximately 2.10 kg, and is equipped with F2 terminals (Faston Tab 250). Nominal voltage is 12 Vdc; at 1.67 VPC @25°C, the 5-minute rate power is 56.5 W/cell, the 15-minute rate power is 28.6 W/cell, while the 15-minute rate power is 28W. This battery can be used in float standby power applications such as security systems, emergency lighting, and medical equipment. For charging parameters, at 25°C the float charge voltage is 13.5 - 13.8 Vdc/battery, and the equalization charge voltage is 14.4 - 15.0 Vdc/battery; the temperature range is -15°C to 50°C for discharge and -15°C to 40°C for charge/storage, with a nominal operating temperature of 25°C. Current and internal resistance data include: maximum charge current 2.80 A, maximum discharge current 130 A, short-circuit current 304 A, and internal resistance 19.8 mΩ. Under 25°C float charge conditions, the design life can reach 5 years, meeting the Eurobat standard (20°C) 3-5 year commercial life; the case material is ABS (UL 94-HB), and a flame-retardant version (94-V0) can be provided on request. In a 25°C environment, self-discharge after 90 days is less than 10%, and it can be stored for up to 6 months; it must be fully charged before use; if storage temperature is above 25°C, charge it in advance. Pure lead construction and a proprietary formulation ensure stable performance. The product is manufactured according to IEC 61056-1/2:2012 and certified to UL1989 (MH14533). This battery is suitable for general-purpose applications requiring reliable backup power, but it is not suitable for high-rate discharge or deep-cycle scenarios. During installation, ensure good ventilation and avoid short circuits and reverse connection.

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12V 28W Valve Regulated Sealed Lead Acid Battery | CSB GP1272F2

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