High Voltage 81.9kwh Lithium Battery Pack with Advanced BMS for Solar Ess Applications

Name: High Voltage 81.9kwh Lithium Battery Pack with Advanced BMS for Solar Ess Applications
Brand: Koyosonic Power Co., Ltd.
SKU: 2153017012

Guangdong, ChinaKoyosonic Power Co., Ltd.

US$9,400.00

30-49 Pieces

US$9,300.00

50-99 Pieces

US$9,200.00

100-299 Pieces

US$9,100.00

300-499 Pieces

US$9,000.00

500+ Pieces

Sample price:US$3000.00/piece.Request sample

Product profile

Customization

Available

Type

Li-ion Battery

Cathode Material

NCM

Model NO.

81.9KWH-ESS

Rechargeable

Yes

Size

Large

Warranty

5 Years

Usage

UPS, Electric Power, Lighting, Boat

Nominal Voltage

409.2V

Discharge Rate

Low Discharge Rate

Shape

Flat Battery

Electrolyte

Li-ion

Installation

Fixed

Weight

710kgs

Terminal Type

BMS

200A

Capacity

81.90kwh

Transport Package

by Carton Then Onto Pallet

Specification

L1973*W552*D658±3mm

Trademark

Koyosonic

Origin

China

HS Code

85072000

Production Capacity

500000PCS/Month

Key features

High Energy Density: Reaches 460-600Wh, 6-7 times higher than lead-acid batteries.

Long Service Life: Lifespan can reach more than 20 years with long cycle life.

Advanced BMS Protection: Built-in 200A BMS protects against over-voltage, short circuits, and extreme temperatures.

Lightweight Design: Weight is approximately 1/5 to 1/6 of lead-acid products under the same volume.

Flexible Connection: Supports up to 15 units in parallel connection without additional devices.

Wide Compatibility: Compatible with most brands of inverters on the market.

Multi-Scenario Usage: Ideal for solar systems, marine, RVs, EVs, and UPS backup power.

5-Year Warranty: Comprehensive 5-year warranty coverage for peace of mind.

Company profile

Koyosonic Power Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤10.83h

AI-Powered supplier vetting

SummaryKoyosonic Power Co., Ltd., a manufacturer based in Guangdong, China, specializes in the retail of electronic components and related products. They hold multiple certifications including ISO 9001 and IFS. The company has significant export activity, deriving 90% of sales from exports. However, they lack structured after-sales service procedures and do not participate in international trade shows. Their financial capacity appears stable, with consistent cash flow and profit indices. Koyosonic offers customization services and ODM but lacks new product development in the past year.

Supplier typeKoyosonic Power Co., Ltd. is a manufacturer/factory located in Guangdong, China, and is structured as a limited company.

CertificationsThe company holds IFS, ISO 14001, ISO 9001, and SEDEX certifications, indicating a strong compliance with international standards.

After-Sales capabilityThere are no written procedures or records for handling customer complaints or service capability assessments, indicating a lack of structured after-sales service capability.

Financial creditThe financial capacity of Koyosonic appears stable with consistent cash flow over the past three years.

R&D capabilityWhile the supplier offers ODM services, they have not introduced new products in the past year and lack SDK availability, indicating limited innovation capability.

Production capacityWith a 100% finished product inspection and a significant number of quality control staff, the supplier demonstrates strong production capability.

Customization capabilityThe supplier offers customization services from samples and designs, and also provides ODM services, reflecting strong customization capabilities.

Client casesThe supplier provides OEM services for popular brands, indicating experience in handling significant customer cases.

Product Q&A

Q:What is special about lithium batteries?

With high energy density, it has reached 460-600Wh, which is about 6-7 times that of the lead acid batteries. Long service life, life span can reachmore than 20 years. Light weight, the weight is about 1/5-6 of the lead-acid product under the same volume.

Q:What is a lithium battery used for?

Lithium battery use for power and energy storage. Like emergency power backup or UPS. Dependable electric and recreational vehicle power, golfcart,reliable and light-weight marine,solar power storage, surveillance or alarm systems in remote locations.

Q:Are your batteries safe?

Our batteries are safe.All KOYOSONIC batteries use the safest and most stable components, including a LiFePO4 cathode and a built-in Battery Management System (BMS).The BMS protects the cells against excessively high or low voltages, high currents, short circuits, and excessive heat or cold. These are the most common causes of battery failures, and we have taken every precaution to mitigate these risks in all of our batteries.

Q:Can it be series or parallel for use?

Yes sir, it can support max. 15 in parallel connection for use and no any additional device.

Q:Can these battery pack be compatible with my inverter? do you have a company list of the inverter which is compatible?

Yes sir, our battery pack can compatible with most brand of inverter on the market, contact us and let me tell youmore.