Note: not all battery can be recovered, only use on Car or Motorcycle battery, it is not a jump starter. One button to select different modes.
Fully Automatic 12V Battery Maintainer with UK Plug - Spark-Free & Safe Charging
Fully Automatic 12V Battery Charger with SAEs - Ideal for Lead-Acid Batteries
Halfords Fully Automatic 12v Battery Charger - never used
Energy-Saving Fully Automatic 12V Battery Charger/Maintainer - 2-
Fully Automatic 12V Battery Charger/Maintainer with LED Indicator & UK Plug