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Additionally, the X1209 offers fast charging up to 2100mA for quick battery replenishment and integrates seamlessly with compatible storage products for reliable data backup during power loss. This combination of features enhances system reliability, protects valuable data, and ensures continuous operation for Raspberry Pi users.
{{Raspberry Pi 5 UPS Sets}}
==Safety Instructions & warnings==
* <span style="color:red">The default charging current is set to 2.1A and charge cut-off voltage is 4.23V. Before connecting your battery to the UPS board, Please carefully confirm the maximum charging current and voltage, exceeding the upper limit of the charging specification that the battery can withstand will not only cause adverse reactions, but may also cause irreversible damage.</span>
* <span style="color:red">It is essential to read and understand these safety instructions and warnings before charging your batteries.</span>
* <span style="color:red">Lithium Polymer and Li-ion batteries are volatile. Failure to read and follow the instructions below may result in fire, personal injury, and damage to property if charged or used improperly.</span>
* <span style="color:red">Never make a wrong polarity connection when charging or discharging battery packs. Always double-check the polarity of the battery's connector to ensure that "+" is connected to "+" and "-" is connected to "-".</span>
* <span style="color:red">Do not mix and use old batteries with new batteries, or batteries with different brand names.</span>
* <span style="color:red">Lithium batteries have a limited cycle life. Please replace old batteries with new ones when they reach their service life or when they are two years old, whichever comes first.</span>
*<span style="color:red"> When charging the Battery Pack, please place the battery in a fireproof container. Do not leave the UPS shield on wood material or carpet unattended.</span>
* <span style="color:red">Keep the UPS shield away from children to ensure their safety.</span>
==Features==