CR2032 coin cell 3 Volt Lithium Battery. Fits models; Acer 486SX/33, ALR Express, AST Advantage 200, AST Advantage 6066D, AST Advantage 9304, AST Advantage 9316, AST Adventure!400, Compaq Presario 2266, Compaq Presario 5070, Dell 486DL, Dell 486DM, Dell 486DMT, Dell 486LE, Dell 486MTE, Dell 486MX, Dell Dimens