Sonata® 4400 Cell

Sonata 4400, our flagship lithium-ion cell, offers significant benefits over traditional 18650 lithium-ion batteries for a wide range of portable power applications.

  • Same benefits as Swing with the added protection of a PTC
     
  • Wide operating temperature range
    • Discharge -40°C to 70°
    • Charge -10°C to 60°C
       
  • High energy density
    • By volume: 420Wh/L
    • By weight:  177Wh/kg 
       
  • 10 year reliable calendar life
    • 1,000+ cycles at 100% DOD
    • 2,000+ cycles at 90% DOD
    • 3,500+ cycles at 75% DOD
       
  • Fast charge with minimal loss of cycle life (80% capacity in 30 minutes)
     
  •  Unmatched safety features
    • Patented CID
    • Separator with integrated shutdown mechanism
    • Redundant vents
    • Aluminum can construction to optimize thermal dissipation
    • Laser welded lid
       
  • Certifications
    • UL
    • UN
    • RoHS
    • Nordic Ecolabel
    • Chinese Environmental United Certification Center 
       

Review our Sonata 4400 data sheet  for more details or contact sales@boston-power.com for additional information, or order our evaluation cells.