Ecvv Trade
Chongqing Golden Partner Imp. & Exp. Co., Ltd.

China Manufacturer with main products: R20 Battery, R14 Battery, R6 Battery, R03 Battery, Alkaline Battery, Dry Battery, Primary Battery, Carbon Zinc Battery

Home  >Products Catalog > R20 Size D PVC Jacket Best Battery

R20 Size D PVC Jacket Best Battery

FOB Price: 1.50 - 1.70 USD/Piece
Supply Ability: 1,000,000 Piece/Pieces per Month
Shipping: Within 30-40 days after confimation
Payment Terms: L/C, T/T, Western Union
In Stock
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Export Markets: North America, Africa, Mid East
Place of Origin: Shandong in China
Packaging Details: 2 PCS shrinked, 24 PCS/Colorful Box, 288 PCS/Colorful Carton, 1,050 Cartons/20' FCL


1.Basic information:
Size D Super Battery For Electronic Product
Battery standard
IEC standard
Nominal voltage
1.5 Volts
Open-circuit voltage
1.69 Volts
Closed-circuit voltage
1.52 Volts
32.30-34.20 MM
59.50-61.50 MM
Average weight
76.50 Grams
Shelf life
24 Months
Main battery material
Manganese dioxide, Zinc, Acetylene black, Grophite powder, Carbon rod, Plating cap, Tinplate bottom etc
Flashlight, Torch, Radio, Water heater,Electronic product etc
2.Why choose our battery?
With over 18 years' experience in battery business, we guarantee each single piece of battery is reliable in quality.
Efficient and excellent service is the basic requirement you can expect from us.
Your satisfaction with our batteries and our service is our responsibility.
3.Technical data:
Nominal Voltage
Shelf Life
Test Conditions
Discharge Time
IEC Standard(IEC 60085-2:2007)
20±2°C,3.9Ω, 24h/d, E.P.V. 0.9V
350 Min
20±2°C,10Ω, 4h/d, E.P.V. 0.9V
1080 Min
≥1500 Min
4.Quality control & performance:
1)Our battery is made of high quality raw materials which have been inspected strictly before usage.

2)Our workers and technicians closely watched each step in the battery production processes, strictly executed the quality management system to insure each battery up to IEC standard.


3)Our battery has the characteristics of high capacity, long-durability, super leak-proof, good performance of continuous discharge, long time of intermittent discharge, and it has low decline rate of capacity.

5.Chemical reaction:

In a zinc–manganese dioxide dry battery, the zinc can is the negative terminal through which the electric current flows into the device. The zinc is oxidised according to the following half-equation.

Zn(s) → Zn2+(aq) + 2 e [E° = -0.7626 volts]
The positive terminal is a mixture of chemicals – usually a mixture of manganese dioxide powder, carbon and an electrolyte to increase the electrical conductivity. A carbon electrode rod also is placed inside the middle of the battery, connecting the two metal-capped ends of opposite charge and serving as the positive terminal.The reaction is as follows:2MnO2(s) + 2 e + 2NH4Cl(aq) → Mn2O3(s) + 2NH3(aq) + H2O(aq) + 2 Cl [e° ≈ +.5 v]and the Cl combines with the Zn2+.There are other possible side-reactions, but the overall reaction in a zinc–manganese dioxide battery can be represented as:Zn(s) + 2MnO2(s) + 2NH4Cl(aq) → Mn2O3(s) + Zn(NH3)2Cl2 (aq) + H2O(l

5.Product procedure:
Zinc can
The zinc can is the negative terminal and anode material
Inserting the separator

The separator and the bottom paper are inserted to prevent battery short-circuit between the positive and the negative electrode.

Filling cathode material
The mixture of manganese dioxide, electrolyte and others are filled as the cathode material
Inserting carbon rod
The carbon rod for collecting electricity is inserted into the middle of the battery
The plastic gasket for sealing is fitted to prevent leakage and water evaporation
Fitting tinplate bottom and PVC jacket
The tinplate bottom is placed on the bottom of zinc can and PVC jacket is shrinked
Finished product
The batteries are packed by shrink after inspecting the voltage, current and appearance

6.Packaging details:
Shrink pack
Inner Box
24 PCS
Colorful carton
288 PCS
Gross weight
Net weight
1X20’FCL container
1,050 Cartons
7.Important notice:
1)Insert batteries properly.
 2)Keep batteries away from infants.
3)Remember to switch off.
4)Dry batteries are not rechargeable.
5)Remove used-up batteries soon.

We promise to provide you with high quality battery as well as high efficiency services.

Service Process

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  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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