Energizer 539/4LR61 Pack of 1 - Batteries

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This special battery from Energizer is used in cameras, pagers, remote controls and medical equipment. We previously carried this battery from Duracell (called J), but found that the supply of the Energizer version was more reliable.

4LR61 Alkaline Battery.Voltage: 6.00V; Capacity: 625.0mAh; Height: 48.50mm; Width: 35.60mm; Depth: 9.20mm. Compatible with: 1412AP 4018 4AM6 4LR61 539 7K67 J KJ.

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Fuji NP-120 3.7V 1800mAh Li-Ion Battery replacement by Energizer - Energizer FLNP120 Digital Camera Battery.Voltage: 3.70V; Capacity: 1,800.0mAh; Height: 11.00mm; Width: 33.00mm; Depth: 50.00mm. Compatible with: DB43 DL-I7 DLI7 F-NP120 FLNP120 FNP120.

For batteries of the sizes AAA, AA, C, D, and 9 volt, there are two popular types of rechargeable batteries that are fairly long lived, Nickel-Cadmium (NiCd, sometimes pronounced Ni-Cad), and Nickel-Metal Hydride (NiMH). There is a third type, reusable alkaline, which is not addressed in this page because reusable alkaline batteries are capable of a significantly fewer charge/discharge cycles. However reusable alkaline batteries hold their charge in an unused state longer than NiCd and NiMH, and can be ideal for use in portable radios and flashlights.