“Should we allow the battery to completely drain before we re-charge it. It came pre-charged.”
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No
Sorry, there was a problem. Please try again later.Thank you for your question! It’s not necessary to fully drain the battery before recharging. In fact, for lithium polymer batteries (like the ones used in our power banks), it's better to recharge before the battery gets too low, as over-discharging may affect long-term performance. You can start using it right away—even if it came pre-charged—and recharge as needed. For best results, keep the battery level between 20–80% during regular use. If you have any other questions, feel free to contact us at service@tennrich.com.
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