Digi-Key "expanded description"
6 Position Rectangular Housing Connector Receptacle Black 0.118" (3.00mm)
i.e., Shell, housing only; pins separate, different types.
Mfg Data Sheet drawing
http://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=1445022&DocType=Customer+Drawing&DocLang=EnglishThe Botvac inside connector (using male pins, separate)
https://www.digikey.com/product-detail/en/te-connectivity-amp-connectors/1445049-6/A30240-ND/684963Male pins
https://www.digikey.com/product-detail/en/te-connectivity-amp-connectors/1-794608-1/A100902CT-ND/2259571Female pins
https://www.digikey.com/product-detail/en/te-connectivity-amp-connectors/794606-1/A30305CT-ND/5891961The tool for extracting pins is too expensive. Use a drill to remove wires, destroy old connector.
Some Botvac users damage the battery connector by failing to release the locking tab pulling it out, pulling out wires.
Header connector at ebay referenced: headers have thick square connecting pins which may not fit into the female Mate-N-Lock pins or could stretch them wider, not good for the standard connection on the AMP male pins inside the Botvac. Try them on a separate AMP female pin before using in the shell.
Note the battery connector must support 4 amps current so a proper fitting pin is required, otherwise excess heating may occur. Charger 2 amps but the running Botvac can go higher, as when climbing obstacles. The battery is a high drain type.
For an external charger, one method is use a connector of the kind which is on the charger, and splice wires into the battery wires. A thermistor connection is needed on the charger. What type of charger do you have? It must be for a 12v NiMh battery system. I used external chargers on the higher voltage XV batteries.
There can be an issue that the Neato thermistors are not the same as used by the charger; there are many different types with different resistance. You must monitor the charging process to insure it terminates properly, following the battery terminal voltage; the battery will heat up around 14-15v, you can feel it get warm. The charger must terminate or the battery will be damaged, over heated. Separate thermistors can be supplied with the charger, which you place in the battery pack yourself, in addition to the included thermistors. Good contact with the cells is needed for proper temperature reading. Compare resistance of the charger thermistors with the Neato thermistors using an ohm meter, check compatibility.
NiMh batteries are damaged by self-discharge in long shelf storage, shelf-life problem. Some will recover with a few runs of the Botvac, on its own charger. Others are irrevocably damaged and do not recover. Short run time is the symptom of defective batteries.