Dimensions: Width 142 mm, Height 61 mm, Depth 66 mm, Weight 830 g. The NT 300 charger automatically charges any HEINE rechargeable battery irrespective of its state of charge or output voltage. The rechargeable battery cannot be overcharged. With the appropriate adaptor set it is possible to recharge all BETA L, BETA NT, BETA SLIM rechargeable handles and all laryngoscope rechargeable handles in the same NT 300.

HEINE F.O. rechargeable laryngoscope handles can be recharged with or without the handle shell in place. The bulbs in all handles are clearly marked to distinguish between 2.5 V and 3.5 V systems. HEINE handles and chargers conform to international standards including IEC 60601-1, DIN 58870, ASTM F 1195-88, ISO 7376 (green standard).