Maxell CR1620 220mAh 3V Lithium Battery with Button Design
Panasonic CR-1620 Lithium Coin Battery 3v - Pack of 5 Provide Long Lasting Power in a Variety of Devices,from keyless-Entry fobs to Toys : Amazon.in: Toys & Games
Amazon.com: Sony Lithium 3V Batteries Size CR1620 (Pack of 5) : Health & Household