Lithium-polymer (Li-Po) 7.4V, 800 mAh.
Charge from 0% to 100% in about 2 hours
It depends on how the Transmitter and its battery have been maintained, this battery usually lasts between 2 and 5 years.
If it is for a necklace sold by Collares Electrónicos ¡Y Más! We do not charge to replace the battery. If it has not been sold by Electronic Necklaces And More! We charge € 5 for this service.
Normally in stock.
Please see the shipping costs in the tab above