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Smart electric bicycle Dear valued customers,
We regret to inform you that some of our models have been discontinued and are no longer in production. If you have any questions about which models are affected, please do not hesitate to contact our customer service staff. We apologize for any inconvenience this may cause and are happy to recommend alternative models for your consideration. Thank you for your understanding and continued support.

FAQ:

If the battery reaches full charge quickly and depletes rapidly when in use, there are a few steps you can take to address this issue.

The primary cause of battery failure is vulcanization, which results in the formation of hard lead sulfate crystals. However, there is a solution to restore vulcanized batteries. By implementing fuzzy digital control theory, the battery's state can be measured, and a repairer can continuously emit positive and negative variable frequency particle waves during the charging and discharging process. This repair process typically takes about 10 to 20 hours. The emitted waves work to remove the crystallized lead sulfate from the battery, effectively fixing the vulcanization issue.

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