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Energizer Silver Oxide Coin Cell Batteries (395/399)

£299
The RRP is the manufacturer's recommended retail price of the item.
1460 In Stock - Ready to Ship
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Minimum order for this item is 10.

Description

The 395/399 is a silver oxide coin cell, the small flat round type that sits inside a watch case or a compact instrument. It carries both numbers on its face because one physical cell answers to either reference, so a movement listed as taking a 395 and one listed as taking a 399 are both served by this battery. Silver oxide is the chemistry watch repairers ask for: it holds close to its nominal 1.55V for most of its working life rather than sloping steadily downwards as it drains, which matters when a quartz movement is relying on a constant supply to keep accurate time. We price and sell this one per cell, so the figure on the page buys a single battery.

Quartz watches are the obvious home for it, and the same coin cell turns up wherever a circuit needs a flat power source and almost no room: digital calipers, pocket and kitchen scales, small medical and laboratory instruments, laser pointers and compact remote fobs. If you are replacing a dead cell, the number printed on the old one is the surest guide, followed by the reference in the instrument handbook. Handle a fresh cell by its edge, keep it away from coins and keys in a pocket or a drawer, and keep loose cells out of reach of children and pets.

Because these are priced per cell, the minimum order is 10 and they are bought in multiples of 10, which is worth knowing if you only want one for a single watch. Repairers and anyone keeping a small workshop stocked usually take that in their stride. No shelf life figure is printed on the retail pack, so we quote none. We stock other Energizer cells beside this one, including lithium coin batteries such as the CR1216 and CR1220, alkaline button cells like the LR44 and the LR54, and the everyday AA and AAA alkalines.

Specification
Size Coin cell
Chemistry Silver oxide
Voltage 1.55V
Codes 395/399
Pack quantity Single cell
Sold as Priced and sold per cell
Minimum order 10, sold in multiples of 10
Frequently Asked

Will this fit a watch that asks for a 399 battery?

Yes. The cell carries both the 395 and the 399 reference, so either number quoted by your watch or its handbook points to this same battery.

How many cells do I receive for the price shown?

The price is for one cell. The minimum order on this listing is 10 cells, bought in multiples of 10, so a first order brings you ten batteries.

Why choose silver oxide rather than an alkaline button cell?

Silver oxide holds a steadier voltage close to 1.55V as it discharges, which suits quartz timekeeping and small measuring instruments that dislike a drifting supply.

What voltage does this cell give?

It is a 1.55V cell, the nominal voltage for silver oxide chemistry, and that is the figure to match when you check an old battery or a handbook.

Does the pack print a shelf life?

No shelf life figure is printed on the retail pack, so the manufacturer does not state one. Keep spare cells in their packaging at normal room temperature until needed.

Shipping & Returns

Delivery UK delivery is £14.99, and delivery is free on all orders of £99 or more, in the UK and internationally.

Returns If you change your mind, you have 14 days from delivery to tell us, and a further 14 days to send the goods back. Return postage for a change-of-mind return is paid by you. Change-of-mind returns are subject to an inspection and handling deduction. See our full returns policy.

To arrange a return, call us on 020 8149 5199 or use our contact page.

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    Description

    The 395/399 is a silver oxide coin cell, the small flat round type that sits inside a watch case or a compact instrument. It carries both numbers on its face because one physical cell answers to either reference, so a movement listed as taking a 395 and one listed as taking a 399 are both served by this battery. Silver oxide is the chemistry watch repairers ask for: it holds close to its nominal 1.55V for most of its working life rather than sloping steadily downwards as it drains, which matters when a quartz movement is relying on a constant supply to keep accurate time. We price and sell this one per cell, so the figure on the page buys a single battery.

    Quartz watches are the obvious home for it, and the same coin cell turns up wherever a circuit needs a flat power source and almost no room: digital calipers, pocket and kitchen scales, small medical and laboratory instruments, laser pointers and compact remote fobs. If you are replacing a dead cell, the number printed on the old one is the surest guide, followed by the reference in the instrument handbook. Handle a fresh cell by its edge, keep it away from coins and keys in a pocket or a drawer, and keep loose cells out of reach of children and pets.

    Because these are priced per cell, the minimum order is 10 and they are bought in multiples of 10, which is worth knowing if you only want one for a single watch. Repairers and anyone keeping a small workshop stocked usually take that in their stride. No shelf life figure is printed on the retail pack, so we quote none. We stock other Energizer cells beside this one, including lithium coin batteries such as the CR1216 and CR1220, alkaline button cells like the LR44 and the LR54, and the everyday AA and AAA alkalines.

    Specification
    Size Coin cell
    Chemistry Silver oxide
    Voltage 1.55V
    Codes 395/399
    Pack quantity Single cell
    Sold as Priced and sold per cell
    Minimum order 10, sold in multiples of 10
    Frequently Asked

    Will this fit a watch that asks for a 399 battery?

    Yes. The cell carries both the 395 and the 399 reference, so either number quoted by your watch or its handbook points to this same battery.

    How many cells do I receive for the price shown?

    The price is for one cell. The minimum order on this listing is 10 cells, bought in multiples of 10, so a first order brings you ten batteries.

    Why choose silver oxide rather than an alkaline button cell?

    Silver oxide holds a steadier voltage close to 1.55V as it discharges, which suits quartz timekeeping and small measuring instruments that dislike a drifting supply.

    What voltage does this cell give?

    It is a 1.55V cell, the nominal voltage for silver oxide chemistry, and that is the figure to match when you check an old battery or a handbook.

    Does the pack print a shelf life?

    No shelf life figure is printed on the retail pack, so the manufacturer does not state one. Keep spare cells in their packaging at normal room temperature until needed.

    Shipping & Returns

    Delivery UK delivery is £14.99, and delivery is free on all orders of £99 or more, in the UK and internationally.

    Returns If you change your mind, you have 14 days from delivery to tell us, and a further 14 days to send the goods back. Return postage for a change-of-mind return is paid by you. Change-of-mind returns are subject to an inspection and handling deduction. See our full returns policy.

    To arrange a return, call us on 020 8149 5199 or use our contact page.