A Leader of Lithium Lifepo4 Battery in China Since 2006

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GSL ENERGY offer IP65 waterproof 30KWH 48v 600ah 5U lifepo4 battery pack solutions for marine company clients


Today, GSL ENERGY offer IP65 waterproof 5U 48v 100ah lifepo4 battery pack solutions for marine company clients for UPS backup.

GSL ENERGY-Gsl Energy Offer Ip65 Waterproof 30kwh 48v 600ah 5u Lifepo4 Battery Pack

“This 48v 100ah waterproof model is specially designed for UPS backup on big marine system. It is made by 15s2p 3.2v 50ah high energy density lifepo4 battery prismatic cells and support 14 pcs at max 70kwh battery bank,” Said by Mr. Jim Deng, CEO of GSL ENERGY. “ The battery key feature is our smart heavy-duty BMS inside each battery module which we develop at least 2 years R&D inside our lab. Finally, we made this unique BMS for our all 15S/16S 48Vdc battery system. ”

“We can install 5-6kva solar panels on our yacht roof areas, said by James , CEO of Marine company from USA, “ we will mainly charge this 30kwh system by pv solar at first, then use generator if needed. We met GSL ENERGY on Canton fair and signed the sales contract with Jim DENG on hotel face to face. Mr. Jim Deng is very professional in solar and lithium battery business and give us solution what we need in an hour. We also compared some other factories before we came to China but we finally choose GSL ENERGY on Canton fair show. It is our marine UPS backup storage system sample demo. If it is working well, we will use GLS energy 48v 100ah waterproof version to replace all our old lead acid batteries on our present yacht battery ups system. We look forward to long term cooperation with GSL ENERGY next 5 years. ”

Client will use Victron smart off grid inverter for marine use. Comparing with lead acid battery 48v 100ah with 155kgs, GSL 48100 IP65 version light is just at 52.5kgs, 5U size at 442*480*222mm. GSL ENERGY will offer 10 years warranty to end clients.


GSL Energy is one of the leading lithium battery manufacturers and high-tech companies in China. We are specialized in the research, development, manufacturing and sales of the lithium iron phosphate(LiFePo4)batteries and lithium ion(NMC) batteries. Our standard workshops cover about 200000 square meters for the cathode powder, battery cells and battery packs production. We have more than 520 employees and 90 experienced R&D Engineers.

After years of success in the global market, our R&D team is dedicated to continual product development to improve the performance reliability of our product range. We have an extensive range of lithium batteries for different kinds of applications:


Lead Acid Replacement

Medical Equipment

Marine &Electric Boat


UPS, Backup Power

Military Equipment

Electric Vehicles

Energy Storage Systems

GSL Energy is certified with ISO9001,ISO14001, TS16949 and OHSAS18001 management systems. Our products have obtained CE,TUV,IEC62133,CCA,KC,BIS,ROHS,UN38.3,MSDS certificates and also have the worldwide product liability insurance.

Our goal is to provide the best service in helping our customers to achieve sustainable and economically sensible power and energy management practices. Whether it is reducing our dependencies on coal-fired generation facilities, reducing carbon emissions or accelerating the adoption of renewable integration and alternative-fuel vehicles.

GSL Energy-A Global Leading LiFePO4 Battery Manufacturer.

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Dear Sir, Thanks for your interest in GSL products. Please send your enquiry to Mr. Jim Deng at jimdeng@gsl-energy.com. If you need urgently reply, add whats app account : 0086 13923720280
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