12000W 48V Split Phase Pure Sine Wave Inverter Charger

Pure Sine Inverter 12kW 48V — Split Phase 120V/240V Complete System

The pure sine inverter at 12kW 48V represents a significant step up in residential and commercial off-grid power — this split-phase inverter charger delivers 12,000W of continuous output at 120V and 240V simultaneously from a 48V DC battery bank, with 115-amp battery charging, auto generator start, battery temperature sensing and remote control included. The 36,000W surge rating (300% for 20 seconds) handles every motor load in a large residential property. The 8-millisecond transfer time between utility and battery maintains load continuity across grid outages. Eight battery voltage selections cover every major battery chemistry — LiFePO4, gel, AGM and lead-acid — making this perfect sine wave inverter compatible with virtually any battery technology in use across residential, commercial and marine applications.

Table of Contents

1. Product Specifications
2. 12kW Continuous — Full Residential Coverage
3. 115-Amp Battery Charger
4. Auto Generator Start
5. Battery Temperature Sensor and Remote Control
6. 8 Battery Type Selections
7. Transfer Switch and UPS Specifications
8. FAQ

Product Specifications

DC Input Specifications:

Charger Specifications:

12kW Continuous — Full Residential Coverage

At 12,000W of continuous split-phase output, this pure sine inverter covers every electrical load in a full-sized residential property simultaneously — central air conditioning, well pump, electric water heater, clothes dryer, electric range, workshop tools, full home lighting and entertainment systems all within the 12,000W continuous rating.

The 36,000W surge capacity for 20 seconds — 300% of the continuous rating — reliably starts every single-phase motor load in the residential inventory: HVAC compressors, well pump motors, industrial compressors and high-inrush workshop machinery all within the surge envelope. No load management, no startup sequencing required.

115-Amp Battery Charger

The 115-amp integrated battery charger is the highest charging rate available in the power inverter pure sine 12kW inverter charger class. At 115 amps into a 48V battery bank, the charger delivers 5,520 watts of charging power — recovering a significantly depleted large residential battery bank in a fraction of the time lower-rate chargers require.

Four-step intelligent battery charging — with Power Factor Correction (PFC) for the charger — ensures efficient, complete battery conditioning through bulk, absorption, float and equalization stages appropriate to the selected battery chemistry. The 0–100% selectable charge rate enables optimisation of charging current for different battery sizes and generator capacity constraints.

Auto Generator Start

Auto generator start (AGS) automatically starts a connected generator when battery state-of-charge drops below a configurable threshold — and stops it when batteries reach target charge. This automation is essential for inverter full sine wave systems serving as primary power for remote properties where manual generator management is impractical.

The 15-second delay before transfer when AC input recovers — and the protection logic for generator loads — prevents damage from generator output irregularities during startup and ensures clean load transfer between generator and battery-powered inverter operation.

Battery Temperature Sensor and Remote Control

The included battery temperature sensor (BTS) monitors battery temperature and adjusts charging voltage accordingly — preventing overcharging in hot conditions and undercharging in cold conditions that would otherwise reduce battery service life. For pure sine power inverter installations where battery bank longevity matters — and it always should — BTS-compensated charging is a meaningful service life extension feature.

The included remote control provides convenient system monitoring and control from a distance — appropriate for inverter installations in utility rooms, basements or battery enclosures where direct panel access is inconvenient during daily operation.

8 Battery Type Selections

Eight battery voltage selections covering LiFePO4, gel, AGM and lead-acid chemistries make this pure sine inverter compatible with virtually every battery technology in use across residential, commercial and marine off-grid applications. The correct battery type selection ensures appropriate charging voltage profiles for each chemistry — preventing the overcharging and undercharging that reduce battery capacity and service life when incorrect charging parameters are applied.

Transfer Switch and UPS Specifications

The 8-millisecond typical transfer time (10ms maximum) between utility/generator and battery power provides UPS-class continuity for connected loads. The AC/Battery Priority mode enables configuration as an inverter-preferred UPS — continuously operating from battery-powered inverter output and using AC input solely for battery charging, providing zero-transfer-time power continuity for the most sensitive equipment.

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FAQ

What is a pure sine inverter at 12kW? A pure sine inverter at 12kW converts 48V DC battery power to 12,000 watts of split-phase 120/240V pure sine wave AC output — providing whole-home electrical coverage from a battery bank. This model includes a 115-amp battery charger, auto generator start, battery temperature sensor and remote control. It supports 8 battery chemistries and provides 8ms transfer time between grid/generator and battery power.

What is the perfect sine wave inverter advantage of the 8ms transfer time? The perfect sine wave inverter 8ms transfer time provides UPS-class power continuity — transitioning between utility and battery power fast enough to maintain operation of computers, network equipment, medical devices and sensitive electronics without a perceptible power interruption. Most consumer electronics tolerate transfer times up to 20ms without operational disruption; this 8ms specification provides significant margin below that threshold.

Why does this pure sine power inverter support 8 battery types? Supporting 8 battery types — LiFePO4, gel, AGM, sealed lead-acid, flooded lead-acid and others — ensures the charging algorithm applies the correct voltage profile for each chemistry. Using incorrect charging parameters (too high or too low) degrades battery capacity and service life. The 8-type selection covers every major battery chemistry in current residential and commercial use, making this pure sine power inverter compatible with any existing or future battery system.

What is inverter full sine wave operation in UPS mode? Inverter full sine wave UPS mode — the AC/Battery Priority configuration — runs the inverter continuously from battery power while using AC input solely to charge batteries. This provides zero transfer time for connected loads, as the inverter is always running. It is the appropriate configuration for the most sensitive equipment where even 8ms transfer time is unacceptable.

What is the auto generator start specification? Auto generator start (AGS) automatically activates a connected generator when battery state-of-charge drops below a configurable threshold and stops it when batteries reach the target charge level. The system includes a 15-second delay before transferring loads when AC recovers — protecting equipment from generator output irregularities during startup before stable power is confirmed.