12kW 48V Dual-MPPT Hybrid Inverter for Residential Solar Battery Backup

12kW 48V Single Phase Hybrid Inverter for Home Battery Backup

12kW 48V Single Phase Hybrid Inverter for Home Battery Backup.

Designed for residential energy storage systems with relatively high simultaneous power demand, this hybrid inverter provides 12000W rated AC output, supports up to 16200W of PV input and operates with a nominal 48Vdc battery architecture.

Its role in a residential ESS is not simply to connect a larger solar array. Compared with the 10kW version in the same series, the 12kW model keeps the same specified 16.2kW maximum PV input while providing additional AC output and higher maximum charging current.

Choose 12kW Based on Household Load, Not Just Inverter Size

A 12kW inverter may be considered when multiple higher-power household loads are expected to operate at the same time and a smaller inverter would provide insufficient output headroom.

The correct inverter size should therefore be calculated from simultaneous load rather than daily electricity consumption alone.

10kW to 12kW: More AC Output, Not a Higher PV Limit

This is an important distinction when comparing the 10kW and 12kW versions.

Both models have the same specified maximum PV input of 16.2kW. Moving to the 12kW version therefore mainly provides more AC load capacity and a higher maximum battery charging current.

How Much Battery Storage Makes Sense with a 12kW Inverter?

There is no fixed battery capacity that must be paired with a 12kW inverter. Inverter power and battery energy capacity measure different parts of the residential energy storage system.

The battery should be selected from required backup duration, household energy use and the current capability required by the system.

These capacity examples are for residential ESS planning only. They do not confirm compatibility with any specific battery model.

Can One 16kWh Battery Support a 12kW Inverter?

Battery capacity in kWh alone cannot answer this question.

A 16kWh battery may contain enough stored energy for a particular backup requirement, but the battery system must also be capable of supplying the current required by the inverter and connected loads.

Before confirming the combination, check the battery's allowable continuous charge and discharge current, operating voltage range, BMS limits and communication protocol.

What Does the 250A Charging Specification Mean?

The supplied parameter sheet specifies maximum solar charging current, maximum AC charging current and maximum total charging current of 250A for the 12kW model.

This is the inverter's maximum charging capability. It does not mean every connected battery should be charged at 250A.

Actual charging current must remain within the limits specified for the connected battery system and its BMS.

16.2kW PV Input with Dual MPPT

The photovoltaic section supports up to 16200W of PV input. Maximum DC voltage is specified at 520Vdc, with a 50–450Vdc MPPT operating range.

The inverter uses two MPPT trackers, and the supplied specification lists the maximum input current arrangement as 18A + 36A.

The final PV array should be designed from module Voc, Vmp and operating current as well as total wattage.

Can a 16kW Solar Array Be Connected to This 12kW Inverter?

A 16kW PV array is below the specified 16.2kW maximum PV input power.

However, total PV wattage alone does not confirm compatibility. The string arrangement must also remain within the 520Vdc maximum DC voltage, 50–450Vdc MPPT range and specified MPPT input current limits.

Home Backup Requires Both Power and Energy Planning

A 12kW inverter provides higher AC output capability, but backup duration is determined mainly by the connected battery energy and actual household load.

For example, increasing inverter power without increasing battery energy does not automatically provide longer backup time. Likewise, installing a larger battery does not increase the inverter's 12kW rated AC output.

Grid-Tied, Battery Backup and Off-Grid System Integration

The supplied technical specification includes grid-tied, off-grid and hybrid operating parameters. Battery-mode output is specified as pure sine wave.

RS485, CAN, Wi-Fi and dry contact interfaces are listed for communication and system integration, together with a touchscreen interface.

The final operating mode and wiring arrangement should follow the complete system design and inverter installation documentation.

Core Technical Specifications

Swipe left or right to view the complete specification table.

Parallel Expansion for Higher Residential Power Requirements

The inverter series supports up to six units for single-phase parallel operation. The supplied specification also lists a three-unit configuration for three-phase supply.

Parallel operation should be planned according to total power requirement, phase arrangement, battery system capability and the complete electrical installation rather than inverter quantity alone.

Frequently Asked Questions