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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

Traction Flooded Battery

Traction Flooded Battery

OPzS2-2000-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

Traction Flooded Battery are designed with a combination of die-casting Tubular positive framework and superfluous electrolyte technologies to offer a very  high lever of reliability and a long service life. Opzs batteries used special filter and proof design to ensure no acid fog runs over and burning proof, and also convenient examine and maintenance.



1. Maintenance convenient.

2. Non-Spillable construction design.

3. Transparent containers, convenient to observe.

4. Special filter installation for acid fog proof.

5. High quality and high reliability.

6. Super long service life.

7. Special pole sealed technology.

8. Super reliability.

Specification of Traction Flooded Battery

Voltage Per Unit



2000Ah@10hr-rate to 1.85V per cell @25℃

Approx Weight

Without Electrolyte 112.8 kg With Electrolyte 153.4 kg

Max. Discharge Current

7500 A (5 sec)

Internal Resistance

Approx. 0.17 mΩ

Operating Temperature Range

Discharge: -15℃ ~ 50℃
    Charge: 0℃ ~ 40℃
   Storage: -15℃ ~ 50℃

Optimal Operating Temperature


25℃ ± 5℃

Float charging Voltage2.23 to 2.25 V(DC)/cell at 25℃
Maximum Charging Current200A
Cycle Service2.40 to 2.45 V(DC)/cell at 25℃
Self DischargeSelf-discharge rate less than 3.5% per month
at 25℃. Please charge batteries before using.
TerminalThread insert & Bolt (F10-M8)
Container MaterialA.S. (UL94-HB), and UL94-V0 is optional

Construction  of Traction Flooded Battery

1. Positive plate Tubular plate with die cast Pb-Ca alloy grid

2. Negative plate – Balanced Pb-Ca grid for improved recombination efficiency

3. Separator – Leaf shape rubber separator

4. Electrolyte – Dilute high purity sulphuric acid of 1.240 specific gravity

5. Battery container – SAN

6. Battery cover – ABS

7. Pillar seal – 100% factory tested, proven two layers epoxy resin seal

8. Relief valve – Complete with integrated flame arrestor


Product Details

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Datasheet of Traction Flooded Battery





Telecom, Electric Utilities, Control Equipments, Security Systems, Medical Equipments, UPS systems, Railroad Utilities, Photovoltaic Systems, Renewable Energy System and so on.

Product Processing of Traction Flooded Battery

Chengyu power supply Co., Ltd. is a professional manufacturer of lead-acid battery. In production aspect, we have strictly controlled every link of production and processing. High quality raw materials are used in every production link of our company. We want customers to use our products at the same time, and can feel our company's sincerity and strength.

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Exhibition Show

2017 Shanghai International Photovoltaic Exhibition

Our company took part in many exhibitions and met a lot of customers who were interested in our products at the exhibition. These customers are very friendly and have been keeping a good relationship with us all the time. We are also willing to serve our customers and provide them with high quality products and good service. And, if there is anything wrong with the product, we will communicate and deal with it in time.


展会4.jpg  展会1 .jpg


Q1: Can you print my logo on the battery cover?
A1: Yes, OEM is available, we can print your logo on the battery case freely.

Q2: Can I order the batteries with other colors that I want ?
A2: Yes. Any special color that you would prefer to, welcome to discuss with us.

Q3: How long is your delivery time?
A3: Usually it takes about 10-20 days for production varies with products. Urgent delivery it in 5days

Q4: What is your warranty policy?
A4: We provide 1 ~ 2 years different free replacement warranty according to different battery series.

Q5: Can we visit your factory ?
A5: Welcome to visit our factory any time when you're free.


ModelVoltageCapacityWeightDimension(mm)TerminalInternal ResistanceShort Circuit


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