CSB TPL121350A Batteries

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The CSB TPL121350A battery is specially made for Telecom applications using advanced VRLA technology. The CSB TPL121350A is a front terminal battery up to 12 years expected life under normal float charge. As with all CSB brand batteries, all are rechargeable, highly efficient, leak proof and maintenance free.

Cells Per Unit: 6

Voltage Per Unit: 12 V

Capacity: 135Ah @ 8hr-rate to 1.75V per cell @ 25°C (77°F)

Weight: Approx. 120.78 lbs

Maximum Discharge Current: 800A (5sec)

Internal Resistance: Approx. 3.70 mΩ

Operating Temperature Range:

  • Discharge:-15℃~50℃ (5°F~122°F)
  • Charge:-15℃~40℃ (5°F~104°F)
  • Storage:-15℃~40℃ (5°F~104°F)

Nominal Operating Temperature Range: 25℃±3℃ (77°F±5°F)

Float charging voltage: 13.5 ~ 13.8 VDC/Unit Average at 25℃ (77℉)

Recommended Maximum Charging current limit: 40.5A

Self-Discharge: Less than 10% after 90 days, can be stored up to 6 months at 25℃ (77℉)

Terminal: I2 thread lead alloy terminal to accept M6 bolt

Container Material: Flame Retardant ABS (UL 94-V0)

Additional Details


  • Emergency Lighting
  • Security & Alarms
  • UPS


  • AGM (VRLA)

Downloads & Documentation

See below for documentation relating to this product line that is available to download. To download this documentation, please click on the desired document you’d like to download and fill out the required form information fields. You will be able to view and download the documents upon completion of the download form.

  • CSB-TPL-121000FR-Spec-Sheet.pdf
  • CSB-TPL-121000TFR-Spec-Sheet.pdf
  • CSB-TPL-121250AFR-Spec-Sheet.pdf
  • CSB-TPL-121600FR-Spec-Sheet.pdf