KR-1100AAU : 1.2v 1100mAh AA rechargeable battery, flat top
KR-1100AAU : 1.2 volt 1100mAh rechargeable Ni-Cd AA battery cell (flat top style). Battery length = 1.93". Diameter: 0.57". Available plain or with Solder Tabs. Priced at $ 3.50 per cell (plain), or $ 4.00 per cell with solder tabs welded on. Ideally suited for assembly, or installation in test equipment, or in spring-loaded holders (due to the lack of a high button top).
Pricing is per battery. Picture shows two aspects of the battery.