Small Battery alkaline models : Battery alkaline 1.5 Volts AG0 379 LR521, Battery alkaline 1.5 Volts AG1 364 LR621, Battery alkaline 1.5 Volts AG10 389 LR54, Battery alkaline 1.5 Volts AG11 362 LR721, Battery alkaline 1.5 Volts AG12 386 LR43, Battery alkaline 1.5 Volts AG13 357 LR44, Battery alkaline 1.5 Volts AG2 396 LR726, Battery alkaline 1.5 Volts AG3 392 LR41, Battery alkaline 1.5 Volts AG4 377 LR626, Battery alkaline 1.5 Volts AG5 393 LR48, Battery alkaline 1.5 Volts AG6 371 LR921, Battery alkaline 1.5 Volts AG7 395 LR926, Battery alkaline 1.5 Volts AG8 391 LR55, Battery alkaline 1.5 Volts AG9 394 LR936, Battery lithium 3 Volts CR2025 ECR2025 DL2025, Battery lithium 3 Volts CR2032 E-CR2032 DL2032