For Panasonic Lumix DMC-FS20, DMC-FS3, DMC-FS5 / DMC-FX30, DMC-FX33, DMC-FX35, DMC-FX36, DMC-FX37, DMC-FX38, DMC-FX500, DMC-FX520, DMC-FX55. Inbuilt into each Dot.Foto battery is a safety system which gives short circuit protection and prevents the battery from overheating.
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