Button Cell Battery, 58mAh, Silver Oxide
From Amazon
VARTA Batteries Electronics V394 button cell battery 1-pack, Button cells in original blister pack of 1
Conrad Electronic
Varta Button cell SR45, SR936 1.55 V 1 pc(s) 58 mAh Silver oxide SILVER Coin V394/SR45 NaBli 1
BatteryUpgrade
Varta SR45 / V394 / 394 Coin cell battery (Amount 1)