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The 1.55volt 337 silver oxide button cell battery has a capacity of 8mAh. 337 button battery is for use in spy invisible earpieces.
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The 1.55volt 337 silver oxide button cell battery has a capacity of 8mAh. 337 button battery is for use in spy invisible earpieces.
Features of 337 button earpiece battery
• Use for spy invisible earpieces, wrist watch, electronics and more
• Made in Japan.
• Battery life 5-6 hours (depends on spy earpiece)
• Battery model is 337, part number SR416SW.
• High quality battery