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Crown 5kWh High Voltage LiFePO4 Battery IP65 (10Y)
Rs 315,000
Price updated: 24 Oct 2026
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The Crown 5kWh High Voltage LiFePO4 Battery (CMLB-5.1HV) is a modular high voltage battery system from Crown Micro, designed for use with high voltage hybrid inverters. With 20 stack parallel capability, 9 series per stack and ultra-safe LFP material, it is designed for large-scale residential and commercial solar storage installations requiring HV battery systems.
Key Features:
- 5.069kWh nominal energy per module
- High voltage battery — 70.4V nominal, 61.6-80.3V range
- 95% depth of discharge
- 6000 cycle life — 10-year warranty
- Up to 20 stacks parallel — scalable to 45kWh per stack (9 modules series)
- IP65 weatherproof enclosure
- Ultra-safe LFP (LiFePO4) material
- Short circuit protection and flexible remote upgrade
- Compatible with Crown Elego Oyster 20kW and 30kW HV inverters
| Capacity | 5.069 kWh per module |
|---|---|
| Type | HV Lithium Battery |
| Warranty | 10 Years |
| Communication | RS485 / CAN |
| Cycle Life | 6000 |
| DOD | 95% |
| IP Rating | IP65 |
| Max Parallel | 20 stacks |
| Max Series | 9 modules per stack (45kWh) |
| Model | CMLB-5.1HV |
| Nominal Voltage | 70.4V |
10 Years manufacturer warranty. Contact us on WhatsApp for warranty claims.
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Frequently Asked Questions
- The Crown 5kWh HV battery (CMLB-5.1HV) is a high voltage battery designed primarily for use with Crown Elego Oyster 20kW and 30kW three-phase HV hybrid inverters. It requires a high voltage inverter (60V+ input) to function — it cannot be used with standard 48V LV hybrid inverters like the Crown Nova or Xavier ranges, SAJ H2 or GoodWe ES Uniq. Before purchasing, confirm your inverter supports high voltage battery input in the 61.6-80.3V range. Contact MartOnline on WhatsApp (+92 324 3493060) for compatibility confirmation.
- The Crown 5kWh HV battery is highly modular and scalable. Up to 9 modules can be connected in series per stack, creating 45kWh of storage from a single stack. Up to 20 stacks can be connected in parallel, theoretically scaling to 900kWh of total storage. For a typical large home using Crown Elego Oyster 20kW inverter, 2 stacks of 5 modules each (50kWh total) provide approximately 4-5 hours of full commercial backup. The modular design allows starting with 1-2 modules and expanding incrementally as budget and storage needs grow.
- The Crown 5kWh HV battery comes with a 10-year warranty — the longest warranty available on any Crown Micro battery product and one of the longest in the Pakistani market. At 6000 cycles and 25°C, this equals over 16 years of daily charging and discharging. The 10-year warranty covers manufacturing defects and capacity degradation below specified thresholds. Crown Micro local service network ensures warranty support is available domestically without international shipping delays, making claims straightforward for Pakistani commercial buyers.
- Yes, the Crown 5kWh HV battery uses ultra-safe LFP (LiFePO4) material which is thermally stable and does not experience thermal runaway unlike NMC lithium batteries. The IP65 weatherproof enclosure provides full dust and water jet protection, suitable for indoor mechanical rooms, utility spaces and even covered outdoor installations. Built-in short circuit protection and flexible remote firmware upgrade capability add additional safety layers. For Pakistani commercial installations where batteries are typically installed in dedicated electrical rooms, the Crown 5kWh HV module is a safe and reliable choice.
- The Crown 5kWh HV module and GoodWe BAT-S 51kWh serve different scales. The Crown module provides 5kWh per unit (scalable) while GoodWe BAT-S provides 51.2kWh in a single unit. For a 50kWh total installation, you need 10 Crown modules at Rs 315,000 each (Rs 3,150,000 total) versus 1 GoodWe BAT-S at Rs 2,700,000. GoodWe is cheaper at scale. Crown advantage is modularity — you can start with 2-3 modules and expand, while GoodWe BAT-S is a large upfront investment. Choose Crown HV modules for phased investment; choose GoodWe BAT-S for large-scale C&I installations needing 50kWh+ immediately.
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