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Sunwoda OASIS Flex 5kWh HV Battery Module IP20
Rs 245,000
Price updated: 04 Oct 2026
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The Sunwoda OASIS Flex 5kWh battery module is one expandable battery pack from the Sunwoda OASIS Flex Commercial and Industrial energy storage system, manufactured by Sunwoda Energy. Each module delivers 5kWh of storage at 51.2V nominal voltage. Modules combine in series to form complete OASIS Flex HV systems ranging from 25kWh (5 modules, 256V) to 60kWh (12 modules, 614.4V), with up to 6 clusters connectable in parallel for a maximum of 360kWh per installation.
The OASIS Flex system is designed for commercial and industrial solar installations requiring high-voltage battery storage. With IP20 protection for indoor installation, natural cooling, 6,000 cycle life at 1C rate and communication via CAN, RS485, WiFi and Ethernet, it is suited to commercial properties, factories, offices and SME installations in Pakistan where large-scale storage with intelligent monitoring is required.
- 5kWh per module at 51.2V nominal voltage
- Combines to form 25kWh to 60kWh HV systems
- System voltage range: 256V to 614.4V
- Up to 6 clusters in parallel — max 360kWh per site
- 6,000 cycle life at 1C rate, 90% DOD
- IP20 — indoor installation only
- Natural cooling — no fan noise
- Communication: CAN, RS485, WiFi, Ethernet
- Real-time monitoring and remote upgrades
- Modular design — expand on DC side without rewiring
- Compatible with commercial HV hybrid inverters
| Type | HV Battery Module |
|---|---|
| C-rate | 1C |
| Charge Temperature | 0°C to 50°C |
| Communication | CAN / RS485 / WiFi / ETH |
| Cooling | Natural convection |
| Cycle Life | 6,000 cycles |
| Discharge Temperature | -20°C to 55°C |
| DOD | 90% |
| Energy per Module | 5kWh |
| Humidity | 10% to 95% RH |
| Installation | Indoor only |
| IP Rating | IP20 (indoor only) |
| Max Clusters Parallel | 6 |
| Max Modules per System | 12 (60kWh) |
| Max System Capacity | 360kWh |
| Min Modules per System | 5 (25kWh) |
| Nominal Voltage | 51.2V |
| System | Sunwoda OASIS Flex C&I |
| System Voltage Range | 256V to 614.4V |
1 Year Manufacturer Warranty. Contact us on WhatsApp for warranty claims.
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Frequently Asked Questions
- The Sunwoda OASIS Flex 5kWh module is one expandable battery pack from the Sunwoda OASIS Flex Commercial and Industrial high-voltage energy storage system, manufactured by Sunwoda Energy. Each module stores 5kWh at 51.2V nominal voltage. Multiple modules connect in series to form complete OASIS Flex HV systems: 5 modules give 25kWh at 256V, 10 modules give 50kWh at 512V, and 12 modules give 60kWh at 614.4V. Up to 6 complete clusters can connect in parallel for a maximum site capacity of 360kWh. Source: Sunwoda Energy brochure dated 20250226.
- The Sunwoda OASIS Flex system is rated for 6,000 cycles at 1C charge and discharge rate, 90% depth of discharge, at 25°C, to end-of-life at 60% capacity, as confirmed in the Sunwoda Energy brochure dated 20250226. At one full cycle per day this represents approximately 16 years of daily operation. The OASIS Flex uses LFP chemistry for safe and stable long-term operation in commercial installations.
- The Sunwoda OASIS Flex battery system carries an IP20 enclosure protection rating, confirming it is designed for indoor installation only. IP20 protects against solid objects larger than 12mm but offers no water protection. The OASIS Flex must be installed in a covered indoor location such as a dedicated battery room, server room or utility space. It is not suitable for outdoor or exposed installation.
- The minimum OASIS Flex system requires 5 modules (25kWh at 256V, model CIESS25-R-S). For most commercial installations in Pakistan requiring 30kWh to 50kWh of storage, 6 to 10 modules are typical. The maximum single cluster is 12 modules (60kWh at 614.4V, model CIESS60-R-S). For larger installations up to 6 clusters connect in parallel providing a maximum of 360kWh on a single site. Contact MartOnline via WhatsApp at 0324-3493060 for a complete C&I system design for your specific load and usage profile.
- The Sunwoda OASIS Flex is a high-voltage C&I battery system operating at 256V to 614.4V and requires a compatible high-voltage commercial hybrid inverter. It is not compatible with standard 48V low-voltage residential inverters such as the SAJ H2 series or GoodWe ET LV series. Communication is via CAN, RS485, WiFi or Ethernet. Contact MartOnline via WhatsApp at 0324-3493060 to confirm inverter compatibility for your specific commercial installation.
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