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Company Advantages
1. GSL ENERGY bestsun solar energy 5000w is manufactured by adopting advanced production technologies. These technologies are constantly updated and improved to meet the industry standards and thus the product can be provided with long-lasting and strong functionality. GSL batteries help maximize the performance of users' battery system
2. As the demand for global bases increases, the market prospects for this product are optimistic. GSL Li-Ion Battery technology can be connected in Series and Parallel for Plug and Play applications
3. This product comes with a durable surface. It has passed surface mechanical performance testing for impact, abrasion, and scratching resistance. GSL's advanced lithium-ion technology makes battery offer an estimated 3000-5000 cycles

GSL's powerwall ESS adopts the latest HESS battery system. With rich experience and advanced techniques, the product has the features of the fashionable design, high energy, high power density, long service life, and easiness of installation and expansion, all of which reflect the real requirements of the end users and strongest technical capability of our company.

It is a kind of environmentally friendly backup power system. We use phosphates rather than cobalt to avoid environmental concerns, lower the possibilities of thermal runaway because of improper disposal, and save the production cost as well. Compared with other products in the market now, this kind of product experiences a lower rate of capacity loss. With state-of-the-art power conversion and energy storage technologies, our energy storage system (ESS) offers high-efficiency power conditioning capabilities for demand management, power dispatch, renewable energy smoothing, etc. Our ESS can provide comprehensive energy storage for residential, commercial and utility applications. Our Li-ion battery portfolio covers cells, modules 48V, cabinets (indoor/outdoor) and containers, which offer customers excellent scalability and adaptability to a wide variety of requirements.

1.High integrated with less installation space.

2.Long life cycle, >6000 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.

6.10 years warranty on full set battery,20 years warranty on life span under 80% DOD.

Since 2013, GSL's powerwall ESS products have gained much more popularity among over 5000 families spreading all over the world and related solutions have been widely deployed in residential, commercial, and grid-tied storage systems, vehicle battery, and emergency power for iCloud.

◆ 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. GSL GROUP Limited is a mature manufacturing company. Today we are the leader in designing and productioning bestsun solar energy 5000w in China.
2. Our project management team acts as an important role in our business. Relying on their wealth of industrial experience and expertise, they can offer professional advice throughout the order process.
3. Our solar panel battery storage is your image and we will build best image for you. Contact!