chinese supplier polymer lithium battery ion bis certificate battery 3.7V 300mah YXL-702025
电池纯，无杂质，超长续航，足容
chinese manufacturer polymer lithium battery neckband battery 3.7V 200mah YXL-551040
软包聚合物锂电池
chinese manufacturer polymer lithium battery TWS cloud warehouse battery 3.7V YXL-801350 500mah
聚合物锂电池，500mah小电池
chinese manufacturer lithium polymer battery smart watch BIS certificate battery 3.7V 160mah YXL451525
BIS证书智能手表小电池
chinese manufacturer polymer lithium battery TWS storage 300mah 3.7V YXL801530
TWS 电池
chinese manufacturer polymer lithium battery 600mah rechargeable bluetooth battery YXL802060
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