Compatibility-- The 31v power adapter compatible with 25.9v li-ion battery cordless stick vacuum cleaner charger for CHEBIO 16 Pro handheld vacuum for AOLOKO A10 cordless stick vacuum cleaner for Powerffy A17 vacuum charger replacement. (Our charger only fits for the models listed above. If your vacuum model is not listed, it is not compatible. Please verify your vacuum model before order) Specification--The adapter rechargeable for 25.9V battery vacuum cleaner. Input: AC 100V to 240V 50 to 60HZ Output: DC 31V Max 0.5A Reliability--AC-DC adapter for CHEBIO 16 Pro battery cordless vacuum has been checked multiple times and CE/FCC certified charger compatibles with AOLOKO A10 handheld vacuum battery cleaner. OVP: Over Voltage Output Protection. OCP: Over Current Output Protection. SCP: Short Circuit Output Protection Durability--Power adapter for Powerffy A17 V8 vacuum charger is made of robust quality material and has been well checked by the manufacturers. It meets OEM standard for long lasting use. This charger for 25.9V cordless stick vacuum cleaner is small enought and easy to carry What You Get--1 Piece 31v charger for 25.9v li-ion battery cordless vacuum cleaner and other above listed models. If you have any questions before you order, please contact us, we will reply as soon as possible within 24 hours 31V Charger for 25.9V Battery Cordless Vacuum Cleaner Compatible with AOLOKO A10 for CHEBIO 16Pro for Powerffy A17 V8 Cordless Stick Vacuum Cleaner