Contact Us

Zhongneng Chengyu Power Co.,Ltd

Address: No.216 Changjiang Road, Huangdao Development District, Qingdao City, Shandong Province, China


Tel: +86-532-86934246

Fax: +86-532-86934246

Flooded Tubular Solar Battery

Flooded Tubular Solar Battery

OPzS2-800-Y Product Features: Cycle life: >2200 at 80% DOD Self discharge rate ≤5%/month High charge acceptance performance; Wide operation temperature: -40℃~ 70℃ Good deep discharge recovery performance. Positive plate: tubular type, with die-casting thick Pb-Ca grid, it has very good...

Product Details

OPzS2-800-Y of Flooded Tubular Solar Battery

Our OPzS battery belong to free maintenance rechargeable battery, Because of the advantages of the maintenance free battery, the consumption of the electrolyte is very small, and there is no need to supplement the distilled water during the service life. It also has the characteristics of high temperature resistance, shock resistance, small volume, small self discharge. The service life is generally two times that of the ordinary battery. There are two kinds of maintenance free batteries in the market: the first one is to add electrolyte at the time of purchase, and then do not need to maintain (add the supplement) in the use. The other is that the battery itself has been well sealed and sealed when it is out of the factory, so the user can't add any liquid at all.

Product Features of Flooded Tubular Solar Battery

Cycle life

>2200 at 80% DOD

Self discharge rate


Wide operation temperature

-40℃~ 70℃

Positive plate

tubular type, with die-casting thick Pb-Ca grid

Negative plate

pasted flat type,  good high rate discharge performance

Battery case

made of high strength PP and durable design

Safety valve

equipped with double flame arrester/acid filter


Product Specification of Flooded Tubular Solar Battery








Dry Weight


Wet Weight







Brand Name

Compliant Standards
1. IEC60254- 2005/  GB 7403-2008/  DIN/ EN 60254-2

2. Passed ISO9001, ISO14001, OHSAS18001, UL, CE certificate


Product Details of Flooded Tubular Solar Battery




Product Datasheet of Flooded Tubular Solar Battery



Our Factory & Exhibition Show

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We took part in the 2017 Shanghai International Photovoltaic Exhibition, and had a good fortune to know a lot of new customers.

1. Traction forklifts/ Electric cars

2. Traction electric vehicles
3. Photovoltaic / Wind Power

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Light Supply Power                                         Solar Panel/ Solar system

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Telecommunication                                          Security System



Product Processing of Flooded Tubular Solar Battery

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Electrochemical reaction in electrodes


1. The electrochemical reaction of the valve controlled lead-acid battery is shown as follows. Charging is to recharge the external DC power supply on the battery, so that the power can be converted into chemical energy to store. Discharge is the release of electrical energy from the battery to drive the external device.


2. When the VRLA battery charge reaches its peak, the charging current is only used to decompose the water in the electrolyte. At this time, the positive electrode generates oxygen, the negative pole generates hydrogen, and the gas will overflow from the battery, resulting in the reduction of electrolyte and the need to add water regularly.


3. On the other hand, at the end of charging or overcharging, the charging energy is used to decompose water. The oxygen produced by the positive electrode reacts with the sponge like lead of the negative electrode, so that a part of the anode is not in full state, and the negative pole hydrogen is produced.

Contact Me

Name: Aamy

Tel/ Wechat: +86 17854275721


Whatsapp/ Skype: +86 17854275721

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