LVTOPSUN LVTS-4KW-HYD 4KW 24V Solar Off-Grid Hybrid Inverter

Description

The LVTOPSUN LVTS-4KW-HYD 4KW 24V Solar Off-Grid Hybrid Inverter is a next-generation power management system designed for residential homes, commercial offices, and off-grid power installations.

This unit operates by converting DC electricity harvested from solar PV panels or stored in 24V battery banks into clean, regulated 230V AC power. Driven by a high-speed Digital Signal Processor (DSP), it dynamically manages multiple power streams: drawing from solar first, supplementing with battery storage, and bypassing to utility grid or generator power seamlessly during extended backup demands.

In Bangladesh, where frequent load shedding, voltage drops, and high electricity costs pose constant operational challenges, this 4KW hybrid inverter provides an ideal solution. It enables property owners to run essential appliances—including inverter air conditioners, refrigerators, desktop computers, and water pumps—continuously while drastically cutting grid power dependency.

Key Features

• Pure Sine Wave AC Output: Delivers clean 230V AC output with less than 3% total harmonic distortion (THD), preventing overheating or damage to sensitive electronics.
• 4400W Max PV Array Input: Integrates an advanced 120A MPPT solar charge controller capable of handling up to 4400W of PV array input.
• 4ms Fast UPS Switching: Features an ultra-fast emergency power supply (EPS) transfer time of 4ms, ensuring computers, Wi-Fi routers, and IT hardware remain running without rebooting.
• Dual Smart AC Outputs: Includes primary and secondary AC output terminals for smart load shedding and priority load management.
• Lithium Battery Activation & Comm: Features CAN/RS485 communication ports and automated lithium battery activation for intelligent BMS synchronization.
• Parallel Capability: Supports parallel operation of up to 9 units for seamless capacity expansion up to 36kW.
• LCD Touch Screen & Remote App Control: Integrated capacitive touch button LCD display along with USB, RS485, and optional Wi-Fi modules for mobile app monitoring.

Technical Advantages

• High Efficiency: Peak conversion efficiency reaching 94% in battery mode and ≥99.9% MPPT efficiency, ensuring maximum solar energy utilization.
• Durable Construction: Built with an IP20 industrial steel chassis designed for effective fan-cooled thermal dissipation under continuous full-power operation.
• Safety Protection: Comprehensive protection suite including AC short-circuit protection, AC/DC surge protection, overload protection, and reverse polarity safeguards.
• Energy Saving: Smart charging modes (Solar Only, Solar Priority, and Hybrid) prioritize clean solar energy consumption to lower grid bills.
• Easy Maintenance: Modular electronic setup, accessible wiring terminals, and USB disk firmware upgrade capabilities simplify system maintenance.

Applications

• Residential: Rooftop solar setups, whole-home IPS power backup, luxury apartments, and villas.
• Commercial: Retail shops, superstores, financial branches, IT desks, and corporate offices.
• Industrial: Automated process machinery control, safety instruments, and emergency backup systems.
• Factory: Security control rooms, factory floor emergency lighting, and automated production networks.
• Office: Computer networks, server racks, IP cameras, attendance machines, and PBX telephone hubs.
• Project Installation: Off-grid solar projects, agricultural solar pumping setups, and rural electrification initiatives.

Technical Specification Table

Features List

✓ High efficiency operation exceeding 94% inverter conversion

✓ Advanced protection system against surges, overloads, and short circuits

✓ Long service life with high-temperature DSP digital control architecture

✓ Easy wall-mounted compact installation weighing only 7.1 kg

✓ Low maintenance operation with automated lithium BMS communication

Benefits For Customers

• Reduces Electricity Cost: Maximizes direct solar power usage and charges battery banks during off-peak hours.
• Improves Operational Reliability: 4ms UPS transfer prevents server reboots, TV blackouts, and office downtime during grid load shedding.
• Saves Maintenance Cost: Protects connected batteries from overcharging and deep discharge degradation, extending total battery lifespan.
• Suitable for Bangladesh Environment: Wide input AC voltage range (90V–280V) handles rural and urban power grid fluctuations with ease.

Installation & Maintenance Guide

Installation Requirements

• Mount the inverter vertically on a solid concrete or brick wall, leaving at least 500 mm clear space above/below and 200 mm on both sides for adequate cooling ventilation.
• Use recommended 10AWG copper wiring for AC input/output, 8AWG wiring for PV array input, and 2AWG copper cables for 24V battery connections.
• Install external 2P circuit breakers (25A AC, 25A PV, and 180A DC battery breaker) to meet safety compliance standards.
• Connect the shell earth wire (10–12AWG) to the ground screw terminal before powering on the system.

Maintenance Tips

• Clean dust from the fan cooling vents periodically using a dry compressed air blower to ensure proper heat dissipation.
• Check terminal connection torque annually to ensure all cable lugs and M8 battery flange nuts remain tightly secured.
• Monitor real-time operational parameters and event logs via the front LCD panel or connected mobile Wi-Fi App.

Safety Instructions

• Ensure all DC disconnect switches and AC circuit breakers are switched OFF prior to wiring.
• Do not expose the inverter unit to direct rain, high humidity condensation, or flammable gases.
• Installation and electrical commissioning must be performed by a qualified solar system engineer.

FAQ Section

Q: What is the price of LVTOPSUN 4KW 24V Solar Off-Grid Hybrid Inverter in Bangladesh?

A: You can find the updated, competitive price for the LVTOPSUN 4KW 24V hybrid inverter directly on loopshop.com.bd, featuring authentic warranty guarantees and promotional deals.

Q: Where can I buy LVTOPSUN 4KW 24V Solar Off-Grid Hybrid Inverter in Bangladesh?

A: You can purchase it online at loopshop.com.bd with secure payment options, verified technical authenticity, and fast nationwide delivery across Bangladesh.

Q: What warranty does this product have?

A: The LVTOPSUN 4KW 24V hybrid inverter comes with standard official manufacturer warranty coverage. Please check loopshop.com.bd or contact customer support for specific warranty policies.

Q: Is this suitable for Bangladesh climate?

A: Yes, engineered for operating temperatures up to 60°C and a wide AC input range of 90V–280V, it handles Bangladesh’s severe heat and unstable grid voltage smoothly.

Q: How to install this product?

A: Mount the 7.1 kg chassis vertically on a wall, connect 24V DC battery cables, wire the 4400W max PV panels, and wire AC input/output terminals before setting charge parameters via the LCD panel.

Q: Can I run a 1.5 Ton inverter AC on this 4KW hybrid inverter?

A: Yes, with 4000W continuous output and 8000VA surge capacity, this inverter can start and run 1.5 Ton inverter ACs alongside lights, fans, and refrigerators.

Q: What solar PV capacity can I connect to this inverter?

A: You can connect up to 4400W of solar PV arrays with an MPPT operating voltage range between 60V and 450V DC.

Q: Can this inverter work with Lithium batteries?

A: Yes, it fully supports both 24V Lithium-ion (LiFePO4) and Lead-acid/Gel batteries with built-in CAN and RS485 BMS communication ports.

Q: Can I connect multiple LVTOPSUN 4KW inverters in parallel?

A: Yes, the LVTS-4KW-HYD model supports parallel scaling of up to 9 units to create a larger single-phase or three-phase power system.

Q: Can this inverter operate without a battery connected?

A: Yes, it features high-voltage MPPT technology that allows feeding connected AC loads directly from solar PV power during daylight hours.