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BigBattery APEX-10K Off-Grid Inverter

BigBattery APEX-10K Off-Grid Inverter

Regular price $1,184.20 USD
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The BigBattery APEX-10K Off-Grid Inverter Provides Whole-Home Power For Reliable Energy Independence

The BigBattery APEX-10K Off-Grid Inverter is designed to deliver dependable, whole-home electricity so that your home, cabin, or mobile setup stays powered no matter the conditions.

This high-capacity hybrid inverter produces split-phase 120/240V at 50/60 Hz with clean, pure sine-wave output, pairing perfectly with modern LiFePO₄ battery banks. Whether you’re powering a remote homestead, RV adventures, or a mobile worksite, the APEX-10K ensures seamless, uninterrupted energy for all your critical circuits and large appliances.

Built for demanding real-world applications, this inverter accepts both solar and generator inputs, giving you 24/7 autonomy and freedom from the grid. Its 80A pass-through keeps heavy loads running efficiently, while a rugged, outdoor-ready enclosure guarantees reliable performance across wide temperature ranges. Installer-friendly bottom-entry wiring and integrated protections simplify setup while keeping your system safe and efficient. For homeowners, off-grid enthusiasts, and mobile professionals, the BigBattery APEX-10K Off-Grid Inverter is the cornerstone of a resilient, high-performance energy system.


BigBattery APEX-10K Off-Grid Inverter Features

Whole-Home Power Delivery Runs All Appliances Smoothly

The APEX-10K provides pure 120/240V split-phase power so that large appliances, essential circuits, and home systems run without flicker. This ensures you get reliable energy for daily needs, emergency backup, and off-grid living with confidence and ease.

Dual Solar and Generator Inputs Keep Power Continuous

With built-in support for solar panels and generators, the APEX-10K keeps your battery charged and devices running day and night. This flexibility allows uninterrupted energy in any condition, giving you true independence from the grid and peace of mind.

High 80A Pass-Through Handles Heavy Loads Safely

The 80-amp pass-through feature allows multiple high-demand appliances to operate simultaneously without overloading the system. You can power refrigerators, air conditioners, pumps, and other heavy loads while maintaining stable, reliable electricity for your home or off-grid setup.

Rugged Outdoor Enclosure Performs in Any Environment

Designed for wide temperature ranges and outdoor exposure, the APEX-10K works reliably in cabins, remote homes, or mobile worksites. Its durable casing protects the inverter from dust, moisture, and harsh conditions, ensuring consistent performance wherever you install it.

Installer-Friendly Bottom-Entry Wiring Simplifies Setup

Bottom-entry wiring makes installation clean and straightforward while reducing clutter. Combined with intelligent protections for overvoltage, overcurrent, and temperature, it ensures a safe, organized system that is easy to maintain, even in remote or challenging locations.

Compatible with Modern LiFePO₄ Batteries for Efficient Energy

The APEX-10K works seamlessly with LiFePO₄ battery banks to provide stable, efficient power. This pairing extends battery life, reduces energy loss, and ensures consistent performance, making your off-grid or backup energy setup more reliable and cost-effective.

Scalable and Flexible for Growing Energy Needs

Whether you’re powering a small cabin, RV, or a large remote property, the APEX-10K adapts to your energy requirements. Its scalable design allows expansion as your energy needs grow, providing long-term flexibility without sacrificing efficiency or performance.


BigBattery APEX-10K Off-Grid Inverter Warranty

BigBattery provides a limited warranty policy, ensuring the absence of defects in materials, workmanship, and performance during the warranty period.


What's Included

  • 1 x BigBattery APEX-10K Off-Grid Inverter
  • 2 x M6*60mm Expansion Screws
  • 2 x M5*30mm Plastic Expansion Screws
  • 5 x Phillips M8*12mm Screws
  • 4 x SC50-8 Copper Lugs
  • 2  SC95-8 Copper Lugs
  • 4 x Black M4X8mm Screws
  • 1 x M8 Socket Screwdriver
  • 1 x Flat-Head Screwdriver
  • 1 x Parallel Communication Cable
  • 1 x WIFI Logger (optional)
  • 1 x User Manual
  • 1 x Warranty Card
  • 1 x Quality Certificate
  • 1 x Outgoing Inspection Report


BigBattery APEX-10K Off-Grid Inverter Specification

Brand BigBattery
GTIN/UPC 00199874999463
Model APEX-10K
Rated Output Power 10,000 W
Max Output Power 20,000 VA
Rated Output Voltage 120/240 Vac (single-phase / split-phase)
Load Capacity of Motors 6 HP
Rated Frequency 50/60 Hz
Output Waveform Pure sine wave
Switching Time 10 ms (typical)
Battery Type Lithium-ion / Lead-acid / User-defined
Rated Battery Voltage 48 V
Voltage Range 40–60 VDC
Max Solar Charging Current 200 A
Max Grid / Generator Charging Current 120 A
Max Hybrid Charge Current 200 A
Solar Input – MPPT 1 + 1
Max Solar Input Power 5,000 W + 5,500 W
Max Solar Input Current 22 A + 22 A
Max Open Circuit Voltage 550 VDC + 550 VDC
MPPT Voltage Range 125–450 VDC
AC Input Voltage Range 65–140 VAC
AC Input Frequency Range 50/60 Hz
Bypass Overload Current 63 A
AC Inputs 1 (Grid or Generator)
Max Efficiency 99.9 %
MPPT Tracking Efficiency 92 %
Parallel Capacity Up to 6 units (3+ units can form 3-phase output)
Dimensions (H × W × D) 28.46 × 17.64 × 5.91 in
Weight 62 lbs
Protection Degree IP20 (indoor only)
Operating Temperature 14–131°F (derate above 113°F)
External Module (Optional) Wi-Fi / GPRS
Certification UL1741 / RoHS / EN61000-6-1 / EC61000-6-3 / FCC Part15 Class B / IEC62109-1 / IEC62109-2
Noise <60 dB
Cooling Method Intelligent fan
Warranty 5 years
Communication RS485 / CAN / USB / Dry contact
Integrated Circuit Breaker Utility / Load / Battery / PV
Overload Protection Behavior After overload, output restores in 3 min; repeated overloads shut inverter until restart.
Load >102%–110%: shutdown after 5 min; 110–125%: shutdown after 10 sec; >125%: shutdown after 5 sec.
Protection Features PV input current limiting, PV over-voltage, PV night reverse current,
AC over/under-voltage, battery over/under-voltage, battery over-current,
AC output short-circuit, heat sink over-temperature, inverter overload


BigBattery APEX-10K Off-Grid Inverter Manual

BigBattery_APEX-10K_Off-Grid_Inverter_Manual
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