Rechargeable Lithium-Ion Battery Dymo LabelManager 280 respects the quality standards for optimum functioning and for long life.
Characteristics: 
 - Battery/Cell Type: Lithium ion battery
  - Nominal capacity: 650 mAh
  - Nominal voltage: 7.4V
  - Battery Watt hours: 4.81 Wh
  - Weight total battery pack: 50 g
  - No. of cells: 2 cells
  - Color: Black
  - Warranty: 1 year
  - Package includes: 7.4v Lithium-ion Battery
 
Precautions:: 
 - To charge the battery, use high quality chargers with a power cut-off at a voltage not exceeding 14.8V
  - Do not short-circuit the battery
  - Do not allow the battery to overheat
  - Do not use damaged batteries
  - Do not allow contact with water and other liquids
  - Do not incinerate or puncture battery!
  - Do not expose to temperature higher than 60⁰C (140F)
  - Must be recycled or disposed of properly!