supply of light weight lithium battery operated tamping machine ( one set consists -tamping machine - 2 nos, tie tamping tools- 2nos, battery -2nos, battery charger -2nos). brand- mortan, chakradhar, lakshmi or similar.light weight lithium battery operated tamping machine ( one set consists -tamping machine - 2 nos, tie tamping tools- 2nos, battery -2nos, battery charger -2nos). brand- mortan, chakradhar, lakshmi or similar.,light weight lithium battery operated tamping machine ( one set consists - tamping machine - 2 nos, tie tamping tools- 2nos, battery -2nos, battery charger -2nos) brand- mortan, chakradhar, lakshmi or similar technical features of the machine 1. weight including tools and battery - 20 kg 2. pow er source - double lithium battery 3. bpm (blows per minute) - 11400 4. rpm ( rotation per minute)- 15000 5. rated voltage (dc.v) - 36 6. battery capacity (a h) - 24-48 7. acceleration of handle (m/s2) - 1.35 9. vibration frequency (hz) - >190 10. ort (?c) - 40 - 50? c 11. dim ension (mm) - 1020x485x355 12. continuous running time/battery- 45-55 min 13. joules per blow - > 4.2 kn [ warranty period: 30 months after the date of delivery ] ]