2 Pack Energizer ECR2430BP Lithium 3-Volt Coin Cell Battery

Customers find these batteries perform well and offer good value. They are compatible with various devices, with one customer noting they work perfectly for their clock radio. The battery life receives mixed feedback - while some report excellent long life, others mention they only last 1.5 months. The freshness and voltage also get mixed reviews, with some finding them fresh while others describe them as old stock, and while one customer confirms normal voltage, another reports below-rated voltage.