Battery for EW microRecorder
The EW microRecorder is delivered with a built-in rechargeable battery.  After a few years the battery will need replacing.  This battery is identical to the battery that is built into the EW microRecorder.  Also, if you leave the microRecorder outside over the winter in cold climates, the battery may need replacing in the spring.

Note: Soldering is required to change the battery.  Also, a small Torx (T10?) screwdriver is required to remove the back face of the unit.  If you are not good at soldering or don't have a Torx T10 screwdriver, send the EW microRecorder to me and I will install the new battery for you.  I charge an additional $20 for the labor.

Important: If you are changing the battery yourself, care must be taken to avoid causing the microRecorder to lose its electronic security seal.  It is important that you follow the directions below carefully.  If the electronic security seal is lost, the unit will need to have the seal reset by an EW dealer.  I can do that here.

Specifications
Type: Nickel Hydride
Voltages: 3.6 V and 2.4 V

Directions for Changing the Battery

• Put a small washer around the antenna connector and attach the antenna to the microRecorder.  The antenna and washer will hold the internal components firmly against the front end of the microRecorder - keeping the security switch from activating when the back end of the microRecorder is opened in subsequent steps.
• Use the tip of a knife to pop the screw covers off the back of the unit.
• Use a Torx T10 (I think it is a T10) screwdriver to remove the screws which hold the back on the unit.
• Note how the battery is stored in the unit along with the location of any spacers or foam pads.
• *** The battery change has to be done correctly. The yellow wire should be cut first, then red, then black, and connected in reverse with the new battery. Failure to follow this order could damage the processor.
• Remove the existing battery and solder the new battery in its place.
  
• Close the unit.