Waveshare UPS HAT for Raspberry Pi 4B, 5V Uninterruptible Power Supply Charge and Power Output at The Same Time

Product description

bSAFETY CAUTIONSbbr br The batteries are NOT included.br Please note that the battery length SHOULD be less than 67mm, some batteries with protection plate in the market are NOT supported.br br Li-ion and Li-po batteries are quite unstable. They may cause fire, personal injury, or property damage, if theyre not properly recharged or used.br Do not reversely connect the polarities when recharging or discharging the battery. Do not use inferior chargercharging panel to recharge the battery.br Do not mix use old batteries with new ones, avoid using batteries of different brands.br When buying Lithium battery, should always make sure the battery specification is compatible with the expansion board. brChoose batteries from formal manufacturer, and ensure the batteries will work stably and safely by aging test.br Lithium batteries have limited cycle life, they will also deteriorate as time goes by. brShould be replaced with new ones when the batteries reaching their max cycle life, or working over two years, whichever comes first.br Should be placed carefully and properly, keep it away from inflammables and explosives articles, away from children, avoid any safety accident caused by careless storage.br br bUser Manualbbr br bwaveshare.comwikiUPS_HAT?amazonbbr br bSupportbbr br bIf you require technical support, please go to the Support page in the wiki and open a tickets.bbr