OPzS Series ( Tubular Series )

OPzS series(flooded electrolyte type) product is tubular positive plate flooded type, high performance, long service life new battery, which is developed in accordance with Germany Standards. This series battery has nice appearance, reliable performance,long service life and high current discharging in short term, adapting to Power System, Communication System, UPS system, Switch Control System, Dynamical System, Solar Photovoltaic System and so on, especially suitable for the place need high request for security, reliability and service life.

Nomimal Volts: 2V
• Rated Capacity: 200Ah~3000Ah
• Operating Temperature Range: -20~50℃
• The design life is 20 years
• Multi-element alloy die-casting molding tubular positive plate, which can effectively prevent the active materials loss.
• High quality AS plastic transparent container, has nice appearance, corrosion resistance and high strength.
• Porous corrugated plastic board combine with microporosity rubber separator, high porosity, improving the speed of electrolyte diffusion, avoid the short circuit after deep discharge.

• Embedded copper die-casting lead-based terminals, more current carrying capacity and good corrosion resistance.
• The unique column sealed structure can effectively remove the stress caused by plate and avoid leakage.
• Using special infundibular acid proof bolt, has the function of acid mist filtration and inflaming retarding, measuring the electrolyte density directly. Safe use and easy maintenance.

• Can be delivered by liquid or dry electrolyte condition.
• Standard:GB/T 13337.1-2001,IEC 60896-11

Founded in 2007, Kweight Technology Limited has been focused on developing new technology and smart energy design to provide product solutions for energy storage battery applications in more than 80 countries around the world with rich R&D experience and strong independent innovation capability for all of our customers to reduce their carbon foot print and deliver innovative products.
Main Product: VRLA battery(sealed lead acid battery,gel battery,opzv battery and opzs battery);

Lithium battery(12.8v/24V lifepo4 battery,48V/51.2V lifepo4 battery,household energy storage system,potable power generator etc.)
Certifications: ISO9001, ISO14001,RoHS,CE(FCC,EMC),IEC60896,IEC61427,UN38.3,MSDS,IEC62368 etc.
In 2008, “Kweight”was successfully registered in the European Union. Kweight power products with “EU standards, world brands” are
protected throughout the EU and are freely accessible between EU member states. In 2010, it was named the best supplier of power products in the Singapore Youth Olympic Game. Kweight has won the recognition of many users for many years and enjoys a good reputation both at home and abroad and will always try to strive to be one of the most respected and competitive renewable energy enterprises through our efforts and constant pursuit of excellence..

1) We have more than 14 years experience of manfacturing SEALED LEAD ACID battery and lifepo4 batteries.
2) Our batteries have been used in "2010 Singapore Youth Olympic Games" and gained "The Best Battery Supplier of Power Products".
3) Our battery is maintenance free with long life design.
4) Strictly quality control through the whole producting process.
5) Changing on the material:color,shape acceptable
6) Third party inspection:acceptable;
7) Spots check after production before shipping.
8) Batteries price will be changed with the lead price change.
9) High quality service from Kweight family members' hard working, always have, and always will.

Our Services:

Pre-sale service
* Fast response within 24 hours.
* Online service.
* OEM manufacturing service for customers is ok.

After-sale service
* Offer 12 months warranty for AGM battery with capacity 1.3Ah~250Ah,Offer 24 months warranty for others.
* During the warranty, if failed,send some pictures of failed battery for us and tell us the performance of failed one.
* If we confirmed the problem of battery causes the battery fail, we will send new battery(to replace) for you to replace.
* The new battery will be shipped together with your new order, or shipped alone