Sennheiser Evolution Wireless SK D1 & SK9000 battery replacement 3.7v
Replacement Sennheiser Evolution Wireless SK D1 and SK9000 battery pack, rechargeable batteries replace 504703, 56429 701 098, BA61, BA30 for bodypack transmitter

These lightweight portable transmitters are usually used on stage or in the studio indoors as well as outside and are easy to hide within a costume due to there small size, they enable a very accurate sound to be transmitted to the receiver via the artists microphone and very well known within the music and entrainment industry. This offer is for a compatible rechargeable Li-ion 3.7-volt battery replacement, it has a energy capacity of 1.8Ah, Charge your new battery when you receive it and before first use, if it is not being used frequently or as a backup then ensure its fully charged every 6-weeks to keep the cells fresh and prolong life expectancy

This battery is known to directly replace the following battery codes 504703, 56429 701 098, BA61, BA30

Capacity - 1800mAh
Voltage 3.7v
Chemistry - Li-ion
The physical size of this Sennheiser Evolution Wireless SK D1 & SK9000 battery replacement is as follows
Length = 61.68mm
Width = 41.78mm
Height = 14.6mm