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Our solution for your requirements. Together with you we develop tailored solutions for rail battery systems. We will focus on your successful project and support you from start to finish. We will be at your side – from initial project analysis through planning and implementation right down to the installation and certification of your power solutions. We will provide you with 3D models and drawings in current interchange formats at a very early phase of the project. For design validation, we will use the very latest methods.
Our products are manufactured to international quality, safety and environmental standards. Fengri batteries and energy storage systems undergo constant development. The rail technology expertise centre in China ensures that all our products are developed and manufactured in line with the relevant standards.
The internal innovation increases the storage capacity of the vrla battery, and the multi-alloy plate is used to increase the utilization of electric energy.
With Fengri core technology support and unique welding technology, enhancing the electrical current resistance of the joints, the DTM series metro system battery can withstand high discharging current.
Excellent low-temperature discharge performance and no fear of severe coldness. It can run as usual at minus 25 °C.
Self-discharge rate: ≦3%/ month.
The technological reform and innovation make the Fengri metro battery safer and more reliable improving the stability of the DTM series battery.
Regional trains
Locomotives
| VRLA Battery DTM Series Specifications | ||||||||
| Model | Voltage (V) | Capacity (Ah@5hr) | Dimensions (mm) | Weight (KG) | Resistance (mΩ) | Design life | ||
| DTM-100-3 | 2 | 100 | 68 | 172 | 313 | 9.0 | <1.00 | 18years |
| DTM-120-3 | 2 | 120 | 99 | 152 | 331 | 10.5 | 0.90 | |
| DTM-140-3 | 2 | 140 | 111 | 152 | 331 | 12.0 | ≤0.85 | |
| DTM-140-3W | 2 | 140 | 93 | 160 | 440 | 12.5 | ≤0.85 | |
| DTM-160-3 | 2 | 160 | 123 | 152 | 331 | 13.5 | ≤0.80 | |
| DTM-160-3W | 2 | 160 | 93 | 160 | 440 | 13.5 | <0.80 | |
| DTM-180-3 | 2 | 180 | 135 | 152 | 331 | 15.0 | ≤0.75 | |
| DTM-180-3W | 2 | 180 | 93 | 160 | 484 | 15.0 | ≤0.75 | |
| DTM-200-3 | 2 | 200 | 147 | 152 | 331 | 16.5 | ≤0.70 | |
| DTM-200-3W | 2 | 200 | 93 | 160 | 529 | 16.0 | ≤0.70 | |
| DTM-220-3 | 2 | 220 | 159 | 152 | 350 | 18.0 | ≤0.65 | |
| DTM-240-3 | 2 | 240 | 171 | 152 | 350 | 19.5 | ≤0.60 | |
| DTM-260-2 | 2 | 260 | 183 | 152 | 350 | 20.9 | ≤0.55 | |
| DTM-280-2 | 2 | 280 | 195 | 152 | 350 | 22.3 | ≤0.50 | |
| DTM-300-2 | 2 | 300 | 207 | 152 | 350 | 23.7 | ≤0.45 | |
| DM400 | 2 | 400 | 83 | 198 | 687 | 29.0 | ≤0.30 | |
We are happy to put our skills and experience at your service, whether your project requires roof or underfloor mounting or installation inside the train. Both in the design and validation of the product and with its worldwide delivery, commissioning and servicing. You will optimise your product availability and safety while keeping life-cycle costs low. All of which makes us one of the world's leading partners for the integration of complex rail battery systems.
