I run the 5400, 60c 7.4v versionof these batteries in my B44 and they were a tight fit but as said the swelled up slighty which is making it harder to get them in and out of the B44, might be an idea to get these, which is what im gonna get next..........
http://www.ebay.co.uk/itm/Intellect-...item3cb99ce2d3
