Inverters

BigBattery APEX 6.5K Hybrid Off-Grid Inverter | 6,500W 120/240V Split-Phase | Dual MPPT 10kW | 48V | UL1741 | 5-Year Warranty

$ 1,490USD · price may vary

BrandBigBattery

Model: INV034
Specifications: 0

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Overview

The BigBattery APEX-6.5K is an all-in-one off-grid hybrid inverter that combines an inverter, solar charger, and battery charger to deliver reliable 120/240V split-phase power with a clean pure sine wave output. Built for DIY-friendly installs, it supports solar + generator inputs, smart energy modes, and communication ports for monitoring—making energy independence simpler, clearer, and more affordable

Key Features & Benefits:

6,500W continuous / 13,000W surge power for demanding loads

120/240V split-phase, 50/60Hz pure sine wave output for household + 240V appliances

Dual MPPT (1+1) solar charging with up to 10,000W PV input and 125–450VDC MPPT range for flexible array design

48V battery system (40–60VDC) supports lithium / lead-acid / user-defined battery profiles

Charge rates: 140A max solar, 80A max grid/generator, 140A max hybrid

Two A/C inputs (Grid & Generator) plus 40A bypass overload current for pass-through support

Parallel up to 6 units for scalable systems

Installer-friendly bottom-entry wiring + built-in protections for safer, cleaner installs

Monitoring & integration: RS485/CAN/USB/Dry Contact (optional Wi-Fi/GPRS module)

Certifications: includes UL1741 (plus others listed) and 5-year warranty

Specs at a Glance:

Battery Voltage: 48V (40–60VDC range)

Bypass/Overload Current: 63A

Dimensions / Weight: 28.46 × 17.64 × 5.91 in / 62 lbs

Operating Temp: 14–131°F (derate above 113°F)

User Manual / Documents:

BigBattery APEX 6.5K Hybrid Off-Grid Inverter Spec Sheet

BigBattery APEX 6.5K Hybrid Off-Grid Inverter User Manual

What these specifications mean

Detailed specifications for BigBattery APEX 6.5K Hybrid Off-Grid Inverter | 6,500W 120/240V Split-Phase | Dual MPPT 10kW | 48V | UL1741 | 5-Year Warranty have not been published yet. BigBattery lists this inverter in the Inverters, and we add fields as the manufacturer releases them — in the meantime, ask your distributor for the datasheet before ordering.

For an inverter, the figures that matter most are peak and weighted (European/CEC) efficiency, typically 96–98.5%, topology — on-grid, off-grid, hybrid or micro, continuous AC output in kW, which caps the load you can run at once and surge or peak rating, which covers the brief inrush of motors and compressors. It is the component that decides what a solar system can do: how much power you can draw at once, whether you can export to the grid, whether the system keeps running in a blackout, and how well the panels and battery are managed day to day.

Choosing an inverter: the checks that matter

The checks below apply to any inverter. Run them against the specification table above — most disappointing solar purchases are compatible-on-paper units that fail one of these in practice.

Keep the panel array between roughly 1.0 and 1.3 times the inverter's rating. Slight oversizing (a higher DC-to-AC ratio) captures more energy on cloudy mornings and winter days; going far beyond it wastes generation through clipping.
Check the surge rating if you run motors — deep-well pumps, compressors and older air conditioners can draw two to three times their running current for a few seconds at start-up.
Choose a hybrid inverter if a battery is in your plan now or later; retrofitting storage onto a pure grid-tie inverter usually means buying a second unit or an AC-coupled battery system.
Confirm the inverter is approved by your local utility or distribution network before you buy if you intend to export power — grid connection depends on certified anti-islanding and local grid-code compliance, not on the inverter's specifications alone.

What people get wrong

Assuming any grid-tie inverter keeps the lights on during an outage. Standard on-grid units shut down for safety unless they have a dedicated backup or islanding output.
Overlooking the IP rating. An outdoor installation needs at least IP65; indoor-rated units mounted outside fail early.
Buying on peak-watt price alone. A cheap inverter with a narrow MPPT window forces awkward string layouts and can strand a portion of the array.

Price and availability in Canada

BigBattery APEX 6.5K Hybrid Off-Grid Inverter | 6,500W 120/240V Split-Phase | Dual MPPT 10kW | 48V | UL1741 | 5-Year Warranty is listed at $ 1,490 (USD) for Canada. Solar pricing moves with supply, import duties and exchange rates, and distributors set their own margins, so treat this as a comparison reference and confirm the current figure before you order.

SolarBazaar compares equipment rather than selling it. Shortlist here on specification and price, then buy from an authorised distributor or installer in Canada: warranty cover on solar hardware is normally honoured through the channel you bought from, so confirm who supports BigBattery locally before ordering.

BigBattery APEX 6.5K Hybrid Off-Grid Inverter | 6,500W 120/240V Split-Phase | Dual MPPT 10kW | 48V | UL1741 | 5-Year Warranty — frequently asked questions

BigBattery APEX 6.5K Hybrid Off-Grid Inverter | 6,500W 120/240V Split-Phase | Dual MPPT 10kW | 48V | UL1741 | 5-Year Warranty is listed at $ 1,490 (USD) for Canada. The figure is indicative — solar prices move with supply, duties and exchange rates, and each distributor sets its own margin — so confirm the current price with a supplier before ordering.

BigBattery APEX 6.5K Hybrid Off-Grid Inverter | 6,500W 120/240V Split-Phase | Dual MPPT 10kW | 48V | UL1741 | 5-Year Warranty is a BigBattery product, listed under inverters with model reference INV034. The BigBattery brand page lists the rest of its range so you can compare across the catalogue.

That depends on what it has to connect to. For an inverter, check continuous AC output in kW, which caps the load you can run at once, surge or peak rating, which covers the brief inrush of motors and compressors and maximum PV input and the number of MPPT trackers, which set how many panel strings you can connect against the rest of your equipment before price enters the decision. Keep the panel array between roughly 1.0 and 1.3 times the inverter's rating. Slight oversizing (a higher DC-to-AC ratio) captures more energy on cloudy mornings and winter days; going far beyond it wastes generation through clipping.

SolarBazaar lists and compares equipment rather than selling it. Use the specifications and price here to shortlist, then buy through an authorised distributor or installer in Canada — buying in-channel is what keeps the manufacturer's warranty valid.

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