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Yideng builds this 450909 0.111Wh rechargeable battery with mature tech and solid quality for Sleep trackers – 3.7V, 120mAh, 4.5x9.0x9.0mm, 2.8g. BIS, CE, UN38.3 certified. We keep finished stock for fast dispatch. Our engineers tweaked the electrolyte formula – lower internal resistance, less heat. We've partnered with top wearable brands in EU and India for years. Contact us for purchase and quotation.

Yideng factory produces this 451012 35mah Li Polymer Battery for Bluetooth Headset – 4.5x10.0x12.0mm, 1.5g. KC, CE, UN38.3 certified for Korea export. 30+ patent portfolio. Stock ready for quick dispatch. Wholesale 451012 battery price. Custom leads available. Get factory price and submit your inquiry today.