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By Sona Solar Knowledge & Solar Systems Education Team

On February 24, 2026

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LVTOPSUN Lithium Battery Setup and Inverter Configuration for 12V, 24V & 48V Systems

Product: LVTOPSUN Lithium Battery | Battery Type: LIB (Lithium-Ion / LiFePO4) | Application: Solar Energy Storage Systems | Document: Hybrid Inverter Configuration Manual

IMPORTANT NOTICE: If your LVTOPSUN Lithium Battery does not automatically communicate with your Hybrid Inverter via BMS protocol, you must manually configure the inverter settings to ensure proper Battery Charging Parameters, system safety, and long-term battery lifespan. Incorrect voltage, float, or cut-off settings can significantly reduce performance and durability.

LVTOPSUN Lithium Battery Configuration Settings for 12V, 24V & 48V Solar Systems

This technical guide highlights the five critical Solar Inverter Settings required for safe and efficient operation of 12V, 24V, and 48V LVTOPSUN Lithium Battery Systems, including Bulk Charging Voltage, Float Voltage, Low Voltage Cut-Off, Battery Type Selection, and Charging Current Limits.

The “Self-Define” Configuration Rules for LVTOPSUN Lithium Batteries

These critical Hybrid Inverter Settings must be manually configured whenever BMS Communication fails between your LVTOPSUN Lithium Battery and Solar Inverter. Properly defining Battery Type, Charging Voltage, Float Voltage, Low Voltage Cut-Off, and Current Limits ensures safe operation, optimal performance, and long-term Lithium Battery lifespan in 12V, 24V, and 48V Solar Systems.

1. Battery Type

Set your inverter battery type to LIB (Lithium Ion Battery) or "User Defined" if LIB is not available.

2. Bulk & Float Voltage

These dictate how the inverter charges. Setting these too high will damage the BMS; too low will result in undercharging.

3. Cut Off Voltage

This setting protects your battery from deep discharge. Once this voltage is reached, the system will shut down to save the cells.

LVTOPSUN Lithium Battery Settings by System Voltage (12V, 24V & 48V)

Select your specific LVTOPSUN (LVT) Lithium Battery model based on System Voltage — 12V, 24V, or 48V — and apply the exact Hybrid Inverter Configuration Parameters listed below. These verified Battery Charging Settings, including Bulk Voltage, Float Voltage, Low Voltage Cut-Off, and Current Limits, are essential for safe operation, optimal Solar Energy Storage performance, and long-term Lithium Battery lifespan.

12V System (LVTS-128100)

Model: LVTS-128100 (100AH / 1.28kWh LiFePO4)

Charging Voltages

Bulk Charge: 14.6V
Float Charge: 14.0V

Protection Limits

Max Charge Current: 50A
Battery Cut Off: 12V

24V System (LVTS-256100)

Model: LVTS-256100 (100AH / 2.56kWh LiFePO4)

Charging Voltages

Bulk Charge: 29.2V
Float Charge: 28.5V

Protection Limits

Max Charge Current: 50A
Battery Cut Off: 24V

48V System (LVTS-512xxx)

Models: LVTS-512100 (100Ah), 512200 (200Ah), 512300 (300Ah)

Voltage Settings (All 48V Models)

Bulk Charge: 55.2V | Float Charge: 54.4V | Cut Off: 48V

Max Charge Current by Capacity

100Ah: 50A | 200Ah: 100A | 300Ah: 150A

Compatible Inverter List

Supported Brands

Deye, Victron Energy, Growatt, MUST, Luxpower, SMA, Solis, Sofar, SRNE, Voltronic, SMA, and GoodWe.

Installer Note

Always verify BMS communication pinouts (CAN/RS485) before final commissioning.

Inverter Compatibility & Integration

LVTOPSUN ESS systems offer unparalleled compatibility, seamlessly integrating with leading global inverter brands via RS232, RS485, and CAN communication protocols.

Communication Protocols

Seamless Integration

Batteries are designed for "Plug & Play" communication using RS232, RS485, and CAN interfaces, ensuring real-time BMS data sharing with your inverter.

Verified Global Inverter Brands

LVTOPSUN ESS is continuously tested and verified with the following industry-leading manufacturers:

Tier 1 Compatible Brands

Deye, Victron Energy, GoodWe, Sofar Solar, SMA, and Growatt.

Extended Compatibility List

Must, Solis, SRNE, LuxpowerTek, Voltronic Power, Megarevo, SAJ, Sungrow, Axpert, Fronius, SolarEdge, FoxESS, MPP Solar, Kostal, Ingeteam, Livoltek, and Redback Technologies.

Custom Protocol Development

Expandable Support

New brands are continuously tested and added to the ecosystem. Customized protocol development is available for specialized commercial projects.

Need LVTOPSUN Lithium Battery Configuration Assistance?

Incorrect Hybrid Inverter Programming or improper Battery Charging Settings can damage your LVTOPSUN Lithium Battery and may void your manufacturer warranty. If you are unsure about setting Bulk Voltage, Float Voltage, Low Voltage Cut-Off, or Current Limits for your 12V, 24V, or 48V Solar System, contact Sona Solar Zimbabwe’s Technical Support Team for professional Solar Installation Assistance and safe configuration guidance.

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