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Toys, games and books: which battery?

Children's products often take a coin lithium cell. Energizer's coin datasheets warn that a swallowed cell can cause serious injury in about two hours. The battery door should need a tool to open.

• SR1130SWSilver oxide · 1.55 V · 11.6 × 3.1 mmGuide: toys
• SR44SWSilver oxide · 1.55 V · 11.6 × 5.4 mmGuide: toys, games, books
• SR1130WSilver oxide · 1.55 V · 11.6 × 3.1 mmGuide: toys
• SR44WSilver oxide · 1.55 V · 11.6 × 5.4 mmGuide: toys, games, books
• LR44Alkaline · 1.5 V · 11.6 × 5.4 mmGuide: toys
• LR54Alkaline · 1.5 V · 11.6 × 3.05 mmGuide: toys
• CR1632Lithium (CR) · 3 V · 16 × 3.2 mmGuide: games
• CR2012Lithium (CR) · 3 V · 20 × 1.2 mmGuide: toys, games
• A27Alkaline · 12 V · 8 × 28.2 mmGuide: toys

Source: Energizer battery cross reference guide, Energizer, checked 2026-10-29. The guide pairs a cell with a kind of device. Your model may take a different cell.

All device types · Measure the old cell