Leaders of Lithium Lifepo4 Battery in China Since 2006


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lithium bank solar GSL ENERGY Brand ess battery pack manufacture
lithium bank solar GSL ENERGY Brand ess battery pack manufacture
Battery Type
Lithium ion phosphate Battery
Model No
Rated voltage
Size ( mm) / Size ( inch) L*W*H
440*410*89/ 17.32*16.16*3.50
Solar off grid backup system, Solar Hybrid inverter UPS, Telecom UPS
UN Carton
Payment terms
Delivery time
With 20 days after deposit
Application Scope
has a wide range of applications. It is mainly used in the following industries and fields.
Enterprise Strength
  • has the complete equipment, advanced technology, and experienced R&D and development personnel, which provides a strong guarantee for the development.
  • Based on user experience and market demand, provides one-stop efficient and convenient services as well as good user experience.
  • always insists on the business philosophy of 'win the market with quality and gain the reputation with service'. We struggle hard to achieve development step by step and pursue excellence and innovation with a practical and diligent attitude. All these bring us a brand new attitude and contribute to rapid development.
  • was established in . We have been focusing on the production and sales of for years. We have accumulated rich industry experience.
  • 's are not only sold in Mainland China, but also exported to some countries and regions overseas. We enjoy a relatively wide recognition in the industry.
Company Advantages
1. To attract more customers, it is also necessary for GSL ENERGY to attach great importance to the design of telecom battery. GSL Li-Ion battery technology is designed to monitor the battery system internally for maintenance-free use
2. ess battery pack is proved to be a revolutionary new product in ess battery field. GSL batteries have strong charging acceptance and quick-charging capability
3. Customer demand is greatly fueled by the durability and performance of the product. The raw material meets related certificates needs like CE, UL, PSE, CB, ROSH, MSDS, etc
4. GSL lithium-ion batteries maintain their voltage throughout the entire discharge cycle. The novel design of battery bank in telecom tower,battery bank provides long life and many other features such as batteries for sale.
5. The battery bank in telecom tower certification also shows the good quality of lifepo4 battery pack. GSL Li-Ion Battery technology can be connected in Series and Parallel for Plug and Play applications
6. As the leading telecom battery manufacture, GSL ENERGY is specialized in producing high quality products. GSL's advanced lithium-ion technology makes battery offer an estimated 3000-5000 cycles

Products typeMODEL : GSL-US2000B
Battery pack Discharge Current (Max.)150A
Cell TechnologyLifepo4Efficiency98%
Battery Pack Capacity (Wh)2560Depth of Discharge100%
Battery pack Voltage (Vdc)48Dimension (L*W*H, mm)442*385*132
Battery pack Capacity (AH)50CommunicationOption of CANBUS OR RS485, SMbus
Battery pack Cell Quantity in Series (pcs)15SProtection ClassIP54
Battery pack Charge Voltage (Vdc)58.4Weight24.5KG
Battery System Charge Current (Standard)10AOperation Life10+ years
Battery pack Charge Current (Normal)20AOperation Cycle LifeOver 4000 times
Battery pack Charge Current (Max.)50AOperation Temperature0-50℃
Battery pack Discharge lower-Voltage (Vdc)46VStorage Temperatureminus 20 -- 60 ℃
Battery System Discharge Current (Standard)20AProducts certificatesTÜV (IEC62619), CE
Battery pack Discharge Current (Normal)50ATransfer CertificatesUN38.3 , MSDS


12V lithium ion battery is new environmentally friendly backup power system focus on short-time and high-rate discharge scenarios.The environmentally friendly lithium ion battery configured with high-performance BMS, has a wide range of performance and application advantages compared with conventional battery.


1.High integrated with less installation space.

2.Long life cycle, >3000 times at 80% DOD.

3.Without heavy metals and environment friendly.

4.Maintenance free, no memory effect.

5.Internal BMS with full protection, high voltage protection with higher reliability.


Energy Storage
--Solar-Wind Power System / City Grid (On/Off) / Community and Family
Back-up System and UPS
--Telcom Base / CATV system / Computer Server Center / Medical Instrumnt / Military Equipment 
Other Applications
--Security and Electronics / Mobile POS, Mining Lihgt / Torch / LED Light / Emergency Light 
--RV Motorhome /Golf Carts Battery / Boat Marine Yachts / Electric Skateboard
--LED Backup / Engine Starting Battery,etc.


Good Quality Packs

Low Quality Packs


Passed the below abuse and safety test-short-circuit, dropping, nail penetration, impact, crush, thermal shock, over-charge,over-discharge: no fire, no explosion with stable chemical structure.


Experience--More than 12 years Specialized in lithium battery, Leaders of Lithium Lifepo4 Battery
Certification--CE,UL,MSDS,Test Report from National Center For Quality Supervision and Inspection of Battery Products approved.
Quality Control-- 37 production process,7 steps quality check to promise stable quality and high reliability for you.
Best Material-- Insist on choosing top quality cell, material and accessories,lithium battery last longer time.
Fresh battery-- All battery is fresh Production.

Company Features
1. Integrating R&D, sales and service of telecom battery, GSL ENERGY is proud to be a leading supplier in ess battery industry. - GSL GROUP Limited has worked hard in battery bank in telecom tower industry for decades of years.
2. Owing to the cutting-edge technology, our lifepo4 battery pack is of great ess battery pack. - You can fully rely on our high-end technology to produce best quality of telecom battery.
3. Our experienced management staff supervises our mechanics to be sure they are completing our maintenance programs. Check it! - GSL GROUP Limited always adhere to battery bank and ensure the batteries for sale of ess battery. Check it!
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