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The high-temperature battery (HTB} series is designed for use in outdoor environments without air conditioners, reducing costs of equipment installation and use. Batteries of this series have a designed service life of 10 years under a temperature of 35° C. The HTB series VRLA batteries are new products developed by Vision Group for equipment used in high-temperature environments. This series overcomes the impact of high temperature on the performance and service life of VRLA batteries and increases the working temperature of lead-acid batteries from 25°C to 35°C without compromising the service life. You can raise the temperature of air conditioners to 35°C or install the batteries in a straightly ventilated cabinet, reducing the operation expenses and emissions.

Characteristics
Applications
| Model | Nominal Voltage (V) | Nominal Capacity (Ah) | Length (mm) | Width (mm) | Height (mm) | Total Height (mm) | Terminal | Weight (Kg) |
| 6FM33X-HTB | 12 | 33 | 195 | 130 | 155 | 168 | M6 | 11 |
| CT12-50HTB-X | 12 | 50 | 277 | 106 | 229 | 243 | M6 | 17,3 |
| CT12-100X-HTB | 12 | 100 | 506 | 110 | 227 | 227 | M8 | 32,5 |
| CT12-150X-HTB | 12 | 150 | 552 | 110 | 288 | 295 | M8 | 48,8 |
| CT12-180X-HTB | 12 | 180 | 558 | 125 | 317 | 317 | M8 | 58,5 |