• High-quality, leak-proof SR927 alkaline button batteries. • Provide a long service life and continuous power sources for various devices. • Packaging of 10 units separately sealed on a card to prevent short circuits. • Design with child-safe packaging, difficult to open with bare hands. • Compatible with multiple models such as LR927, 399, D399, V399, AG7, V543, GP399, and SR57. • Stable voltage of 1.5 V even with prolonged discharge for greater reliability. • Recommended for kitchen scales, toys, calculators, remote controls, and watches. • ISO9001 and SGS safety certificates approved, manufactured without mercury.