Fronus 5.12kWh Lithium-ion Battery 51.2V (TP-LD51)
Rs 195,000
Rs 42,318 per usable kWh
Price updated: 22 September 2026
Full specifications
| Brand | Fronus |
| Model | TP-LD51 |
| Electrical Specifications | |
| Battery type | Lithium |
| Battery chemistry | LiFePO4 |
| Capacity | 100 Ah |
| Cycle life | 6000 |
| Usable capacity | 90% |
| Nominal energy | 5.12 kWh |
| Nominal voltage | 51.2 V |
| Operating voltage range | 42.4-57.6 V |
| Max. parallel batteries | 16 |
| Continuous charging current | 100 A |
| Continuous discharging current | 135 A |
| Peak discharging current | 200 A (10 s) |
| Depth of discharge | 90% |
| General Specifications | |
| Temperature range | Charge 0°C ~ +55°C / Discharge -20°C ~ +55°C |
| IP class | IP40 |
| Communication port | CAN / RS485 |
| Dimensions (W×H×D) | 335 × 626 × 169 mm |
| Weight | 41.5 kg |
Note: Cycle life is >6000 at 25°C ±2°C, 0.2C, 90% depth of discharge to 70% end-of-life - a deeper discharge than the Platinum range's 80%, which makes it the stronger claim of the two despite the identical 6000 headline. 135 A continuous discharge against 100 A charging, with a 200 A peak for 10 seconds; Fronus market this as 1.35C constant discharge at 45°C and claim it as a world first. Built-in WiFi with cell-level 10 mV voltage and temperature tracking. 1P16S pack with a 3.5-inch LCD touchscreen, status light and SOC indicators, CAN and RS485, and wall, floor or rack mounting. Charge 0-55°C, discharge -20-55°C. Certified to IEC 62477, 62619, 60730, 63056, 61000 and UN38.3, with a 5-year warranty. IP40 means dust-protected but not water-resistant - indoor only.