This is a 2000mAh battery (2-pack of 1000mAh cells) that is configured to plug right into the Freeplay Zero or Freeplay CM3.
We received these batteries in error, but they still fit inside the GBA-style shell if you are willing to cut away a portion of the battery compartment.
These cells come with a JST PH 2-pin connector already attached, so they are ready to plug-and-play!
Please see the additional product photos for examples of what needs to be cut to accommodate these batteries.
114 in stock