Renata 381 MiniPack of 1 - Batteries

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Another precision watch battery from Renata, made in Switzerland.

381 Silver Oxide Watch Button Cell.Voltage: 1.55V; Capacity: 50.0mAh; Height: 2.10mm; Width: 11.60mm; Depth: 11.60mm. Compatible with: 280-27 381 533 8029 D381 GP381 RW30 S20 SB-AS SB-DS SR1120SW SR55 TR1120SW V381.

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Casio NP40 3.7V 1230mAh Li-Ion Digital Camera Battery replacement by Energizer - Energizer CS40 Digital Camera Battery.Voltage: 3.70V; Capacity: 1,230.0mAh; Height: 9.50mm; Width: 38.20mm; Depth: 38.40mm. Compatible with: CS40 NP-40 NP40 VB104233.

The capacity of NiCd and NiMH batteries is rated in milliampere hours (mAh). When comparing two different NiCd batteries or two different NiMH batteries, look for the mAh rating. The higher numbers mean potentially more use of an electronic device between charges. Pay attention to the mAh because these vary drastically. Different brands sell batteries with different mAh ratings, but manufacturers also sell batteries of the same brand name, size, and type with different mAh ratings, in some cases very different. This is not to imply that it is bad to buy a battery with a low mAh rating. It is just a warning to be aware of what you are buying and how much you are paying.