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Pylontech Fidus 5.12kWh LV Lithium Battery IP65 (15Y)
Rs 255,000
Price updated: 23 Oct 2026
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The Pylontech Fidus 5.12kWh Lithium Battery is a Tier-1 LiFePO4 solar storage module from one of the world most trusted battery manufacturers. Designed for residential solar systems in Pakistan, the Fidus delivers 4.97kWh of usable energy per module with 97% depth of discharge, 8000+ cycle life and a 15-year design life — making it one of the longest-lasting solar batteries available in Pakistan today.
The Fidus is compatible with 50+ inverter brands including SAJ H2, GoodWe ES Uniq, Inverex Nitrox and most major hybrid inverters available in Pakistan. Multiple modules can be connected in parallel, scaling from 5.12kWh to 583kWh in a single battery group — ideal for homes that want to start small and expand storage as needed.
Key Features:
- 5.12kWh nominal capacity, 4.97kWh usable (97% DOD)
- 51.2V nominal voltage — standard LV compatible
- 8000+ cycle life at 25°C — 15-year design life
- 100A normal charge/discharge, 200A peak for 15 seconds
- IP65 weatherproof — C5-M top anti-corrosion rating
- Wall, ground or rack mounted installation
- Scalable 1-114 modules (5.12kWh to 583kWh)
- RS485/CAN communication with BMS
- Compatible with 50+ inverter brands
- IEC62619, UN38.3, RoHS, CE certified
| Capacity | 5.12 kWh |
|---|---|
| Type | LV Lithium Battery |
| Anti-Corrosion | C5-M |
| Certification | IEC62619 / UN38.3 / RoHS / CE |
| Communication | RS485 / CAN |
| Cycle Life | 8000+ |
| Design Life | 15 Years |
| Dimensions | 638×137×370 mm |
| DOD | 97% |
| Installation | Wall / Ground / Rack |
| IP Rating | IP65 |
| Max Charge Current | 100A (Normal), 200A (Peak) |
| Max Discharge Current | 100A (Normal), 200A (Peak) |
| Model | FB-L-5.12 |
| Nominal Voltage | 51.2V |
| Usable Capacity | 4.97 kWh |
| Weight | 45 kg |
1 Year Manufacturer Warranty. Contact us on WhatsApp for warranty claims.
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Frequently Asked Questions
- Yes, the Pylontech Fidus 5.12kWh is compatible with 50+ inverter brands including SAJ H2, GoodWe ES Uniq, Inverex Nitrox and virtually all major hybrid inverters available in Pakistan. Pylontech uses standard RS485/CAN communication protocol which is universally supported by all leading hybrid inverter brands. This universal compatibility makes the Fidus one of the most flexible solar batteries in Pakistan — you can pair it with any inverter brand you choose without compatibility concerns. For specific pairing confirmation with your inverter model, contact MartOnline on WhatsApp (+92 324 3493060) before purchase.
- Up to 114 modules of the Pylontech Fidus 5.12kWh can be connected in parallel in a single battery group, scaling total storage from 5.12kWh (1 module) to 583kWh (114 modules). In practice, most residential installations in Pakistan use 1-4 modules (5-20kWh). For a typical 200 gaz home in Karachi with a 6-8kW hybrid inverter experiencing 8 hours of daily load shedding, 2 modules (10.24kWh) provides full overnight backup for essential loads including a 1 ton AC. For larger homes or longer backup requirements, 3-4 modules (15-20kWh) are recommended. The modular design means you can start with 1 module and add more as your budget and storage needs grow.
- The Pylontech Fidus 5.12kWh, Sunwoda Atrix 5kWh and Luminey Atrix 5kWh are all high-quality LiFePO4 rack batteries competing in the same segment in Pakistan. Key differences: Cycle life — Pylontech Fidus leads at 8000+ cycles versus 6000+ for Sunwoda/Luminey, meaning approximately 30% longer battery life. DOD — Pylontech Fidus at 97% slightly exceeds Sunwoda/Luminey at 100% on paper but both deliver full usable capacity in practice. Anti-corrosion — Pylontech Fidus has C5-M top-grade marine anti-corrosion rating, making it superior for coastal installations in Karachi. Brand recognition — Pylontech is the global market leader with 100GWh+ deployed worldwide versus Sunwoda which is primarily known as a cell manufacturer. Price-wise, the Fidus 5.12kWh at Rs 255,000 is competitive with Luminey Atrix at a similar price point.
- The Pylontech Fidus 5.12kWh has a 15-year design life at 25°C and 8000+ charge cycles — the highest design life specification of any residential solar battery available in Pakistan. To put this in perspective: at one full charge-discharge cycle per day (typical for a Pakistani home with 8 hours of load shedding), 8000 cycles equals 21.9 years of daily use. This far exceeds the design life of competing batteries. Pylontech provides a standard manufacturer warranty — verify current warranty terms with your local authorised dealer. At MartOnline, all Pylontech products are sourced from authorised supply channels ensuring genuine manufacturer warranty coverage from day one of installation.
- The Pylontech Fidus 5.12kWh pairs well with any 48V LV hybrid inverter available in Pakistan. For a 120-200 gaz home, the SAJ H2 6kW or Inverex Nitrox 6.6kW paired with 2 Fidus modules (10.24kWh) is an excellent combination — the inverter handles solar generation and load management while the Fidus modules provide 8-10 hours of backup for essential loads including a 1 ton AC, fans and lights. For larger homes above 200 gaz, the SAJ H2 8kW or Inverex Nitrox 8kW with 3 Fidus modules (15.36kWh) provides full overnight backup. All these inverter and battery combinations are available at MartOnline — contact us on WhatsApp for a complete system recommendation tailored to your home size and load requirements.
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