SEESE 21V Max 4.0Ah Rechargeable Lithium Battery Pack
SEESE 21V Max 4.0Ah Rechargeable Lithium Battery Pack
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SEESE 21V Max 4.0Ah Rechargeable Lithium Battery Pack
⚠️ Warm Tips & Safety Instructions
For safety and extended product lifespan, please fully charge the device before first use. After each use, wait 5–10 minutes before recharging to prevent overheating and protect the battery. Avoid long-term continuous pressing, as it may cause the device to overheat and activate the battery protection mechanism. If this occurs, simply allow the unit to cool for 5–10 minutes before resuming use.
If the product will not be used for an extended period, it is recommended to store the device with a fully charged battery and recharge it every 3–6 months to maintain optimal battery performance and longevity.
