Yunqida YQD-51212002 70.68kWh Battery + 11kW Hybrid Inverter — All-In-One Stackable ESS
The Yunqida YQD-51212002 is the largest single unit in the 512-series ESS lineup, combining a 70.68kWh LiFePO4 battery with the standard 11kW hybrid inverter used across the range. Because the inverter output holds steady at 11kW while the battery capacity reaches its highest point in the series, this configuration prioritizes endurance over peak power draw; consequently, it suits sites that need to keep many circuits alive for a full day or more, rather than sites that need a brief surge of high wattage. The battery, inverter, and BMS ship together in one factory-wired cabinet, so installers skip the usual component-matching work, whether the deployment sits in a distribution warehouse near Athi River or a large lodge in the Maasai Mara.
Like every unit in the range, the YQD-51212002 remains stackable. Therefore, even at this capacity, a business that eventually needs more power can add further units rather than replacing the system outright. Given how long KPLC outages can stretch in parts of Nairobi and upcountry Kenya, 70.68kWh gives large commercial and industrial sites enough reserve to run refrigeration, production equipment, security systems, and office loads together through an extended blackout, without staging multiple smaller units to reach the same capacity.
Technical Specifications
| Specification | Detail |
|---|---|
| Model Number | YQD-51212002 |
| System Type | All-in-One Energy Storage System (ESS) |
| Battery Energy Capacity | 70.68 kWh |
| Hybrid Inverter Power | 11 kW |
| Battery Chemistry | LiFePO4 (LFP) |
| Nominal System Voltage | 51.2V (platform standard for Yunqida 512-series) |
| Expandability | Stackable / modular capacity expansion |
| Communication Protocols | CAN, RS232, RS485 (platform standard) |
| Cooling Method | Natural cooling (platform standard) |
| Display | LCD / touchscreen display (platform standard) |
| Installation | Floor stand (platform standard) |
| Cycle Life | 6,000+ cycles (platform standard) |
| Battery Protection | Overcurrent, overvoltage, overcharge, overdischarge, short-circuit protection |
| Certifications | UN38.3, MSDS, IEC (manufacturer-documented); ISO9001, UL, CE, RoHS (manufacturer-wide) |
| Warranty | 8–10 years useful life, depending on configuration (manufacturer-documented range) |
Note: Fields marked “platform standard” reflect specifications that Yunqida consistently documents across its 512-series LiFePO4 all-in-one ESS range. However, please confirm exact dimensions and weight against the unit’s printed nameplate at installation, since configuration-specific figures can vary by batch.
Who This Is Best Suited For
- Large industrial and commercial facilities — warehouses, factories, agro-processing plants — that need to run heavy, continuous loads through extended outages
- Hospitality and hospitality-adjacent sites (large lodges, resorts, event venues) that cannot risk power loss during multi-day guest stays or events
- Solar installers designing top-tier commercial ESS projects who need maximum single-unit capacity before scaling out with additional stacked units
For customers comparing capacity options, browse our full range of lithium batteries and weigh the YQD-51212002 against smaller stackable configurations in the 512-series.
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