Stackable 48V 20kWh Solar Lithium Battery Home Energy Storage System

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Stackable 48V 20kWh Solar Lithium Battery Home Energy Storage System

Floor stackable modular design
Integrated solar controller inverter and battery
Stack up to 15 batteries for flexible energy expansion
IP54 water and dust resistance for any weather condition
Remote monitoring system status on phone through WiFi/GPRS


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Product Description

home energy storage system-bess400

Polinovel BESS series are 48v lithium home energy storage systems that store solar power for backup, and keep

house appliances running seamlessly when the grid goes down. The stackable modular design support up to 15

batteries in parallel connection for flexible energy expansion. The integrated system with hidden wiring and plug

connectors is simple to install.

features-bess400

Diagram

scalable-bess400

composition

Dimension-bess400

Technical Parameter

MODEL	BESS400
Battery Parameter
Energy	20.48kWh
Battery Type	Lithium iron phosphate (LiFePO4)
Nominal Capacity	400Ah
Nominal Voltage	51.2V
Operating Voltage	44.8V ~ 54.75V
Charge Current	Standard 50A, Max. 100A
Continuous Discharge Current	100A
Peak Discharge Current	150A @ 1s
BMS	Yes (intelligent protection BMS per module)
Solar Inverter Parameter
Rated Output Power	5KVA / 5KW
Peak Output Power	10KVA
Wave Form	Pure Sine Wave
AC Output	230Vac, 50/60Hz
Solar Charger (MPPT) Parameter
Max. PV Array Power	4.5KW
MPPT Voltage Range	60Vdc - 115Vdc
Max. PV Array Open Circuit Voltage	145Vdc
Max. Solar Charge Current	60A
Max. Efficiency	98%
AC Charger Parameter
Max. AC Charge Current	60A
AC Input	230Vac
Selectable Voltage Range	170~280Vac
Physical Parameter
Dimension (L x W x H)	620x390x1551mm
Net Weight	215kg
Others
IP Grade	IP54 (water and dust resistance)
Communication	WiFi/GPRS (Optional)
Certification	CE, MSDS, UN38.3
Warranty	Standard 5 years, 10 years optional

Polinovel Lithium Battery Benefits

High Quality Battery Cells

Adopt top-grade lithium iron phosphate battery cells that offer significant advantages, including improved charging efficiency, zero maintenance and the ability to deep discharge while maintaining power.

Long Cycle Life

Polinovel lithium batteries provide reliable and adequate power for deep cycle use over a long period of time. The extended lifespan makes

the batteries an excellent choice for many applications that require long-lasting power.

Advanced Safety Features

The built-in BMS protects the battery from extreme temperatures, overcharging, over-discharging, and short circuits to ensure

durability and reliability.

Solid Product Warranty

Polinovel is a reputable LFP battery supplier

that offer a reliable warranty that covers the performance and life of the battery products, giving consumers peace of mind knowing that they can trust the quality of Polinovel lithium batteries.

Built-in BMS Protection

Over Charge/Discharge Protection

Monitors the battery voltage and ensures that it does not exceed or fall below a certain value to prevent over charge/discharge.

Temperature Protection

Monitors the temperature of each cell and protects the battery if the temperature exceeds/goes below a preset threshold.

Short Circuit Protection

Interrupts the flow of electricity to prevent any further damage after detecting a short-circuit.

Cell Balancing

Ensures all the cells are kept at the same voltage or SOC and helps to extend the life of the battery.

Polinovel Promises

High-performance Battery Solutions

Our team of experts thoroughly analyzes market needs and actively explores new technologies to create innovative lithium battery solutions. Our lithium ion battery products are manufactured using state-of-the-art technology and strict quality control measures to ensure they offer superior performance and great reliability.

Quality Assurance

As a reliable Li ion battery supplier, we offer products that meet global standards. Our lithium battery products are certified with CE, MSDS, RoHS, and UN38.3 certifications. When you opt for our products, be assured that quality and safety is our utmost concern.

Exceptional Customer Service

Our commitment is to provide excellent customer service from beginning to end. Our team has a wealth of experience and is focused on providing the most satisfying experience for our customers. We offer quick and effective service, whether it's responding to product inquires, assisting with orders, or dealing with technical issues.

On-time Delivery

As an experienced LFP battery supplier in the industry, we have an exceptional supply chain system and fast logistics. We are committed to providing efficient delivery to ensure that our customers receive their orders on time.