Pre-purchase tip: Since the battery compatible machine was released more than 10 years ago, the machine will have different degrees of aging, freezing, etc., please first check the reason why the machine cannot be used normally before purchasing. Confirm that it is the battery problem that causes the machine to not work before purchasing Tips before use: Please fully charge the battery to activate it before first use.If your device is a 3G machine, please remove the SIM card on the machine while installing the battery. If you do not do this, the device may continue to work, resulting in the battery not being able to charge or not being able to reach full charge even if it is charged for a long time. Quality Certification: ROSH, CE and UL triple certification. No memory effect, over-charge, over-discharge, over-heat, over-current and short-circuit protection. High capacity circulation function, greatly replace your original batteries Reader 3 Battery Number: 0GP/S10/346392/0100