Delong Top Energy 15kWh Lithium Battery 51.2V 314 Ah – High Capacity

15kWh Stackable Solar Battery (16kWh actual usable capacity) 51.2V 314Ah – Delong Energy

An innovative and scalable solution for home energy storage

The 314Ah 51.2V stackable solar battery from Delong Energy is designed to meet the growing needs of residential energy storage. Equipped with high-energy-density LiFePO4 cells and an integrated intelligent BMS, this battery ensures high reliability, optimal safety and a long lifespan of over 12 years. Thanks to its stackable and mobile design, it adapts perfectly to scalable installations for optimized self-consumption.

The Delong TOP Energy 15 kWh lithium battery is an efficient and durable storage solution, ideal for residential or professional solar installations.

It is composed of prismatic lithium iron phosphate (LiFePO4) cells, manufactured by the leader CALB, with a capacity of 314Ah. These cells offer excellent stability, enhanced safety and a very long lifespan, even under intensive use.

The battery operates at 51.2 volts (i.e. 16 cells connected in series – 16S), ensuring perfect compatibility with most hybrid inverters on the market.

Thanks to its large storage capacity (15 kWh), it can efficiently power a household or a small professional site, day and night, significantly reducing dependence on the electrical grid.

Important notice for our customers in Belgium: An environmental fee of €342.47 excl. VAT will be applied when purchasing each Delong Energy lithium battery. More information at the bottom of the page.

Extremely simple installation

Modular stacking according to your power needs, easy installation
The Step-61kWh energy storage system can be installed in just 5 minutes!

Battery Management System (BMS)

Ensures that the cells remain within safe operating limits and reacts if one of them exceeds these limits.

Balanced power	Overcharge protection	Short-circuit protection
Thermal protection	Overvoltage protection	Overcurrent protection

Key advantages of the Delong 314Ah stackable battery

• Stackable and mobile: saves space and is easy to move thanks to built-in wheels.
• Long lifespan: up to 6,500 cycles for a long-term investment.
• Integrated intelligent BMS: automated protection against overcharging, deep discharge, short circuits and overheating.
• Parallel connection possible: easily increase your capacity to 30kWh or 46kWh.
• RS485/CAN communication: compatible with various inverters.
• Dedicated technical support: assistance and customization on request (OEM/ODM).
• 10-year warranty: peace of mind guaranteed.

	Modular and scalable Capacity ranges from 15.36 kWh to 61.44 kWh, with up to 4 stackable modules for flexible system expansion.		LFP technology Offers enhanced safety, optimal reliability and long-lasting performance.
	Long lifespan More than 6,500 cycles for a 10-year lifespan.		Space-saving design Stackable and compact, ideal for optimal use of space in off-grid energy storage systems.
	Flexible communication Compatible with RS485/CAN/RS232 for smooth integration and real-time monitoring.		Versatile applications Ideal for off-grid energy storage solutions for residential or small-scale use.

Why choose this Delong solar battery?

With its 314Ah capacity at a voltage of 51.2V, this battery is ideal for residential, commercial or industrial installations. Its modular design allows you to assemble up to 46kWh with ease. Compact, robust and certified CE, UL, MSDS, IEC, UN38.3 and ISO, it provides stable and reliable long-term performance.

Modular combination

Modular battery packs and inverters facilitate installation, increase power and capacity, reduce wiring, lower costs, and offer a safer and more aesthetic solution.

Modular and stackable lithium battery packs

Multiple applications for autonomous energy

This solar battery is perfectly suited for the following uses:

• Residential and commercial solar storage systems
• UPS systems and data centers
• Telecommunication base stations
• Electrical systems and communication equipment
• Various industrial applications

List of compatible inverters

Delong lithium batteries are compatible with most inverters, providing you with a more convenient user experience.

* Delong Energy Warranty Conditions

Delong Energy offers up to 10 years of warranty on its batteries:

• 1st year: Free battery replacement or refund in case of manufacturing defect.
• 2nd to 5th year: Free replacement of necessary parts to maintain optimal performance.
• 6th to 10th year: Free technical assistance for any question or troubleshooting; part replacement may be chargeable.

Important to know:

• The warranty covers manufacturing or quality defects only.
• Damage related to improper use, incorrect installation or accidents is not covered.
• Proof (photos, videos) may be required to claim the warranty.

For more information, you can visit the official Delong website: https://www.delongtop.com/support/

Important notice for our customers in Belgium: As part of our commitment to regulatory compliance and environmental responsibility in Belgium, we wish to inform our customers that purchasing a Delong 15kWh battery is subject to a mandatory environmental fee. A fee of €342.47 excl. VAT must be added for each battery purchased, as a direct contribution to Bebat, the organization responsible for battery and accumulator management in Belgium. This measure complies with current Belgian environmental legislation. More information here Here is the reference list and corresponding fee! When purchasing lithium batteries, please add the following product Environmental fee Delong Energy – 15kWh corresponding to the number of batteries you order. If not, we will recalculate and invoice the amount after purchase.

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A future-proof solution for your energy independence!