BigBattery APEX 6.5K Off-Grid Inverter

Name: BigBattery APEX 6.5K Off-Grid Inverter
Brand: BigBattery
SKU: INV034
Price: 1490.0 USD
Availability: InStock

BRAND:

BigBattery

| SKU:

INV034

$1,490.00

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BigBattery APEX 6.5K Off-Grid Inverter

Rugged Split-Phase Hybrid Inverter for True Off-Grid Energy Independence

The BigBattery INV034 APEX 6.5K Off-Grid Hybrid Inverter is engineered for reliable, long-term autonomy in cabins, homesteads, and remote residences. Delivering split-phase 120/240V output at 50/60 Hz with clean pure sine-wave power, it integrates seamlessly with modern LiFePO₄ battery banks and supports both solar and generator inputs for continuous, all-day operation. With 80A pass-through to keep large appliances and critical loads running, a rugged outdoor-ready enclosure, wide operating temperature range, installer-friendly bottom-entry wiring, and integrated safety protections, this inverter is built for real-world conditions and demanding off-grid systems.

Key Features:

6.5kW Split-Phase Pure Sine Wave Output: Provides stable 120/240V power for whole-home loads, heavy appliances, and essential circuits.
Solar + Generator Ready: Supports both solar and generator inputs to maintain battery charge and keep loads powered during low sunlight.
80A Pass-Through Support: Ensures large appliances and critical circuits stay online during peak demand.
Outdoor-Ready & Durable: Built for harsh conditions with wide temperature tolerance and robust protection features.
Bottom-Entry Wiring: Simplifies installation and keeps wiring organized and secure.
Integrated Safety Protections: Includes built-in protections for safe, reliable long-term operation.

Ideal Applications:

Off-grid cabins and homesteads
Remote homes and rural properties
Emergency backup and grid outage protection
Solar + generator hybrid systems
Whole-home split-phase power setups

What’s Included:

1 × BigBattery APEX 6.5K Off-Grid Hybrid Inverter (6.5kW)

Specifications

Parameter	Details
Brand	BigBattery
Model	APEX-6.5K / APEX-10K
GTIN / UPC	00199874185712 (6.5K) / 00199874999463 (10K)
Dimensions (in)	APEX-6.5K: 25.51 × 16.14 × 5.51 APEX-10K: 28.46 × 17.64 × 5.91
Weight	48 lbs (6.5K) / 62 lbs (10K)
Protection Degree	IP20 (indoor only)
Operating Temperature	14–131°F (derate above 113°F)
Noise	<60 dB
Cooling Method	Intelligent fan
External Module (Optional)	Wi-Fi / GPRS
Warranty	5 years
Certificates	UL1741 / RoHS / EN61000-6-1 / EN61000-6-3 / FCC Part15 Class B / IEC62109-1 / IEC62109-2
Rated Output Power	6,500 W (6.5K) / 10,000 W (10K)
Max Output Power	13,000 VA (6.5K) / 20,000 VA (10K)
Rated Output Voltage	120/240 V AC (single/split phase)
Load Capacity (motors)	4 HP (6.5K) / 6 HP (10K)
Rated Frequency	50/60 Hz
Output Wave	Pure sine wave
Switching Time	10 ms
Parallel Capacity	Up to 6 units (3+ units in parallel can form 3-phase)
Voltage Range	40–60 VDC
Max Solar Charging Current	140A (6.5K) / 200A (10K)
Max Grid / Generator Charging Current	80A (6.5K) / 120A (10K)
Max Hybrid Charge Current	140A (6.5K) / 200A (10K)
No. of MPPT	1 + 1
Max Input Power	5,000W + 5,000W (6.5K) 5,000W + 5,500W (10K)
Max Input Current	18A + 18A (6.5K) 22A + 22A (10K)
Max Open Circuit Voltage	550 VDC + 550 VDC
MPPT Voltage Range	125–450 VDC
Input Voltage Range	65–140 V AC
Input Frequency Range	50/60 Hz
Bypass Overload Current	40A (6.5K) / 63A (10K)
AC Inputs	2 (Grid & Generator – 6.5K) / 1 (Grid or Generator – 10K)
Max Efficiency	99.9%
MPPT Tracking Efficiency	93% (6.5K) / 92% (10K)
Communication	RS485 / CAN / USB / Dry contact
Integrated Circuit Breaker	Utility / Load / Battery / PV
Overload Protection	Restores after 3 minutes (max 5 overload events) 102–110% (10K): off after 5 min 110–125%: off after 10 s >125%: off after 5 s
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 short-circuit, heat sink over-temp, inverter overload

Understanding Your Power Needs

Power Calculation Guide

Sizing Metric	Formula & Example
Energy Consumption (Wh)	Formula: Watts × Hours Example: 60W × 4 hrs = 240 Wh
Battery Capacity (Ah)	Formula: Watt-hours ÷ System Voltage (V) Example: 240 Wh ÷ 12V = 20 Ah
Inverter Size (W)	Formula: Total Watts × 1.25 (safety margin) Example: 300W × 1.25 = 375W → Use 400W inverter
Total Load Power (W)	Formula: Sum of all appliance watts used simultaneously Example: Light (10W) + Fan (75W) = 85W
Runtime (hrs) of Battery	Formula: (Battery Ah × Voltage) ÷ Total Load (W) Example: (100Ah × 12V) ÷ 240W = 5 hrs

Find Your Power Match

Need / Application	System Recommendation
Basic lighting + phone charging	Recommended Battery: 50Ah – 100Ah (12V) Inverter Size: 100W – 200W Notes: For small backup setups
Home office (laptop, fan, TV)	Recommended Battery: 150Ah – 200Ah (12V or 24V) Inverter Size: 500W – 1000W Notes: For moderate usage with 4–6 hours of backup
Home backup (fridge, lights)	Recommended Battery: 200Ah+ (24V or 48V recommended) Inverter Size: 1000W – 1500W Notes: Ideal for longer backups or heavier loads
Business / shop power backup	Recommended Battery: 300Ah+ (48V system) Inverter Size: 2000W – 3000W Notes: Suitable for commercial setups or extended power outages

Why Shop With Us

Authorized & Trusted Dealer: We’re fully authorized for every brand we carry, so you get genuine products backed by full manufacturer warranties.
Fast, Reliable Shipping: Shipped from U.S. warehouses with quick, dependable freight options — keeping your project on track.
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Real Human Support, 7 Days a Week: Reach us by phone, email, or live chat — no bots, no overseas call centers, just experts who know off-grid power systems.
Expert Energy Guidance: Our solar and backup energy specialists are here to help with system design, product questions, and installation tips.
USA-Based Service: Local, knowledgeable, and friendly support right here in the U.S.
Secure Payments: Shop confidently with encrypted, secure checkout protecting your personal and payment information.
Built for Energy Independence: Whether powering a cabin, prepping for emergencies, or going off-grid, our products are chosen for performance, reliability, and sustainability.

BigBattery APEX 6.5K Off-Grid Inverter

$1,490.00

BigBattery APEX 6.5K Off-Grid Inverter

BigBattery

INV034

#1 Authorized BigBattery Distributor

Free Shipping + No Sales Tax

Hassle-Free Returns & Exchanges

Talk To A Real Person

BigBattery APEX 6.5K Off-Grid Inverter

Key Features:

Ideal Applications:

What’s Included:

BigBattery APEX 6.5K Off-Grid Inverter

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Company Information:

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