Reliable, Scalable, Wall-Mounted Energy Storage Solutions for Homes and Businesses

GSL Energy’s 5kWh, 10kWh, and 15kWh solar batteries are optimized for seamless solar integration, offering flexible capacities to meet various energy demands.

The 5kWh solar battery is ideal for small residential backup scenarios, while the 10kWh and 15kWh solar battery units are well-suited for larger households and commercial applications.

All models feature a wall-mounted design, utilize high-quality LiFePO₄ (lithium iron phosphate) cells, and deliver over 6,500 cycles with advanced BMS (Battery Management System) protection for enhanced safety and performance. Whether you're looking for a 5kWh battery backup system or a 15kWh battery storage solution, GSL Energy ensures maximum efficiency, safety, and full compatibility with mainstream hybrid inverters.

Real Photos from GSL Factory — Authentic 48V & 51.2V Lithium Batteries

See the quality and craftsmanship behind every GSL lithium battery. Our factory photos showcase the precision assembly, advanced BMS modules, and sturdy battery casings designed for optimal performance and durability.

GSL 48V 100Ah LiFePO4 battery module assembly in factory

Wall-mounted 51.2V 200Ah lithium battery production line photo

Quality control testing of lithium battery cells at GSL factory

Sample display of 51.2V 100ah from GSL Factory

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48V vs 51.2V – Which Battery Fits Your System?

Choosing between a 48V and a 51.2V lithium battery depends on system requirements, inverter compatibility, and project goals. Here’s a quick overview:

48V Lithium Battery:

A traditional voltage platform widely used in existing solar setups. Available in Li-ion and LiFePO4 chemistries. Ideal for legacy systems or simple backup.

51.2V LiFePO4 Battery:

The modern standard for solar energy storage. Offers better thermal stability, longer cycle life (6000+), and is optimized for smart hybrid inverters and communication protocols.

Frequently Asked Questions (FAQ)

Can I use a 51.2V battery with a 48V inverter?

Some inverters accept voltage ranges that include 51.2V (nominal). Always check if the inverter supports charging voltages up to ~58.4V.

How long does a 48V 100Ah battery last?

With 4.8kWh of energy, it can power essential home loads for 6–10 hours, depending on consumption.

Can I parallel multiple batteries?

Yes. Most GSL models support up to 16 units in parallel, allowing flexible expansion for larger systems.

Are your batteries internationally certified?

Yes. All models support parallel connection of up to 16 units, giving you total capacities of up to 80kWh (for 5kWh), 160kWh (10kWh), or 240kWh (15kWh).

Let’s Power Your Solar Project with GSL

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Would you like a custom voltage or cabinet integration? Want to build your brand with white-label batteries?

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