adopts new environmentally-friendly material. This product can last for five years or more
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Opal assures that the basic materials that we use in the production process are of premium quality. It can charge and discharge at a high rate
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To be more vibrant and competitive in industry, Opal has superb team to help the improvement of the design technology. This product features relatively low internal resistance
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adopts without harmless materials. This product is characterized by its drop-in replacement
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Being professional in the design of , Opal has gained more and more fame than before. This product can last for five years or more
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can be used for a long time by virtue of large capacity and low self-discharge rate. Moreover, the excellent recharge acceptance makes it recycling and eco-friendly.