Q: How to know the quality problems after sales?

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Search This Supplers Products:lithium batterylifepo4 batteryli-polymer batteryli-ion batteryLithium iron phosphate batteryBbattery charger with US/UK/AU/CN plug

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You can sent the photo &video of theproblems to us,or send back the physical problem battery by express to us, our engineerwill analyze the defective battery within 24 hours.

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