FS [US], Li battery for HP/Agilent 5071A Cesium standard, 3.5AH, 200 USD

[testpoint1]

replace the Lead battery of 5071A, actually 100% battery of 5071A need to be replaced;
the battery can work in battery mode more than 1 hour, if you want to swap the main power of 5071A, no need to restart the 5071A, save much more time;

https://www.ebay.com/itm/186536924596

[testpoint1]

picture and comparison