It's a spare charger! Just like the charger that came with your Gen II Alpha, Centauri SE or Centauri II bike, this one is UL-listed and designed to provide safe and reliable charging.

Charging will take 5-7 hours (to 100% from 0-5%, depending on battery) and the charger will automatically shut down once the battery is fully charged.

Compatible with all 3-pin charge ports on Gen II bikes and Ranger Battery packs.:

• Alpha II
• Centauri SE
• Centauri II
• MPF Mid-drive models retrofitted with with Ranger battery upgrade kit
• Slice Lite (Misty Meadow green and Summer Sky blue color with 3-pin charge port)