BigBattery APEX-10K Off-Grid Inverter, 48V All-in-One Inverter with 11kW Solar Input and up to 200A Battery Charging, UL 1741

SKU: INV035
High quality photo of the Big Battery Apex-10k Front View. Photo sourced by Current Connected.
High quality photo of the Big Battery Apex-10k Front Right View. Photo sourced by Current Connected.
High quality photo of the Big Battery Apex-10k Front Left View. Photo sourced by Current Connected.
High quality photo of the Big Battery Apex Top View. Photo sourced by Current Connected.
High quality photo of the Big Battery Apex Right View. Photo sourced by Current Connected.
High quality photo of the Big Battery Apex Left View. Photo sourced by Current Connected.
High quality photo of the Big Battery Apex Bottom View. Photo sourced by Current Connected.
High quality photo of the Big Battery Apex Back View. Photo sourced by Current Connected.
Spec SheetManual

The APEX-10K inverter from BigBattery provides up to 10kW continuous power and can surge up to 20kW for high demand loads like well pumps or A/C units. It’s ideal for powering off-grid systems and includes solar inputs and an AC input for the electrical grid or a generator.

Specifications:

  • Continuous output power: 10kW @ 120/240Vac
  • Surge capacity: 20kW
  • Number of MPPTs: 2
  • MPPT operating voltage range: 125-450Vdc
  • Max. PV input current: 22A per MPPT
  • Max. charge current from solar: 200A
  • 1x AC input: Grid/generator
  • Max. charge current from grid or generator: 120Adc
  • Max. efficiency: 99.9%
  • Communication: RS485, CAN, USB, and dry contact
  • Certifications: UL 1741
  • Weight: 62lbs 
  • Dimensions (H×W×D): 28.46×17.64×5.91in

$1,990.00

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Description

BigBattery APEX-10K All-In-One Inverter: Ultimate Solar Power for True Energy Independence

Transform your home into a self-sufficient powerhouse with the BigBattery APEX-10K all-in-one inverter. Engineered for dependable performance and true energy independence, this intelligent all-in-one inverter integrates solar and generator inputs to deliver pure sine wave electricity that keeps your critical circuits running smoothly.

Why Choose the BigBattery APEX-10K Inverter?

With 10kW continuous output power and a 20kW surge capacity, this pure sine wave inverter handles everything from sensitive electronics to heavy appliances. Whether powering an off-grid homestead or a residential backup system, the APEX delivers reliable performance in wide operating temperatures (14°F to 131°F).

Key Features

Versatile Power Options

  • Two MPPTs support up to 11kW total solar input
  • A single AC input supports the grid or a generator connection
  • Provides 120/240V split-phase power with pure sine wave output
  • Load capacity monitoring prevents overload

Comprehensive Protection

This inverter includes many safeguards that exceed the published battery specifications and prevent battery malfunction. These include:

  • Battery over-voltage protection
  • Battery under-voltage protection
  • Battery over-current protection
  • Open circuit voltage monitoring

Smart Design

  • Compatible with 48V Add to Cart, Add to Cart, and Add to Cart batteries
  • APEX supports solar, grid, and generator inputs
  • Works with lithium batteries and lead-acid batteries

Perfect System Integration

The APEX-10K achieves peak performance when paired with BigBattery’s ETHOS, HUSKY 2 INV, or NEXUS batteries. Together they deliver optimized charging, BMS communication, and true plug-and-play integration—the ultimate solar solution for reliable energy storage.

Recommended Accessories:

Additional information

Weight 62 lbs
Battery Voltage

48 Volts DC
Inverter Type

All-In-One (No grid export)

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