BL-4S Battery:

  • Battery model: BL-4S
  • Input voltage: 3.7V
  • Battery size: 4.1x36.9x48.9mm
  • Battery capacity: 860mAh

LCD universal charger:
  
  • Type: smart LCD USB universal charger
  • Input: AC 100-240V 50/60Hz 150mA
  • Output: DC 4.2V 400mA +/-50mA,USB Port Output: DC5.2V, 1250mA(USB)
  • Connecter: US Plug
  • Short circuit and overload protection
  • Note: This Charger Just Fit For The Battery (32mm<=width<=55mm)
  • Compatible for: many more rechargeable lithium-ion batteries under 4.7 volts