9v Rechargeable Batteries ideal for Trantec s4000
Lasts 8 hours in a trantec s4000 radio mic beltpack or handheld transmitter
Massive cost saving compared disposable batteries.
charge from any usb computer, hub, phone charger etc etc
led indicator confirms charging status and changes colour to confirm charge is complete.
kit includes 2 x batteries and 1 x dual usb lead
lithium ion technology
no memory effect
full charge in 2 hours