1. UPW-UP6+ AC/DC Dual Balance Charger
1.1. UPW-UP6+ AC/DC Dual Balance Charger - Manual
20210124... A .pdf of the factory manual is attached here. 
1.2. UPW-UP6+ AC/DC Dual Balance Charger - Product Specifications & Pictures
1.3. UPW-UP6+ AC/DC Dual Balance Charger - Other
20200124... If there is any other information about UPW-UP6+ it will be added here.