adopts new environmentally-friendly material. This product has improved safety, which is resistant to overcharge
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Opal assures that the basic materials that we use in the production process are of premium quality. Its super long life makes it a worthwhile investment and a smart long-term solution
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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 has no memory effect
k******v
adopts without harmless materials. This product stands out for its high energy density
l******c
Being professional in the design of , Opal has gained more and more fame than before. It allows for flexible and easy installation
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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.