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Energizer Max Plus D LR20 Alkaline Batteries (2 Pack)

£399
The RRP is the manufacturer's recommended retail price of the item.
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Description

The Energizer Max Plus D cells are alkaline batteries in the LR20 format, supplied as a 2-pack in blister packaging. Each cell delivers 1.5V and is designed for high-drain devices including torches, lanterns, portable radios and large motorised toys. The Max Plus range carries a 10-year shelf life when stored in cool, dry conditions, meaning cells bought today will retain usable charge until 2035 if unopened.

D cells are the largest common cylindrical battery format and suit devices that demand sustained high current draw over several hours. Torches used for camping, power cuts or security work are typical applications, as are battery-powered radios for outdoor use. The larger cell volume allows more active material than AA or AAA cells, providing longer runtime in devices that accept D-size batteries. These Energizer cells fit any device marked D, LR20, AM1, MN1300 or similar.

Energizer's leak-resistant construction uses an improved seal design to reduce the risk of electrolyte leakage during storage or after depletion. The construction does not eliminate leakage entirely — all alkaline cells can leak if stored in extreme heat, left in devices after depletion, or installed backwards — but the Max Plus cells carry a no-leak guarantee during the 10-year shelf life period when stored correctly. The black and silver sleeve identifies the Max Plus variant within Energizer's range.

Specification
Weight (KG) 0.3
Battery Range Energizer MaxPlus
Cell Size D
Cell Composition Alkaline
Frequently Asked

How long do these last in a torch?

Runtime depends on the torch's power draw. A typical LED torch drawing 500-800mA will run for 12-20 hours on a pair of fresh D cells. Older incandescent torches with higher current draw may give 4-8 hours. High-output tactical torches with 1-2A draw will deplete cells faster.

Can these be used in smoke alarms?

Most UK smoke alarms use 9V PP3 cells or integrated lithium batteries. D cells are not common in smoke alarms, though some large industrial or marine alarms do accept them. Check the alarm's battery compartment or manual before purchasing.

What's the difference between Max Plus and standard Energizer Max?

Max Plus cells offer a longer guaranteed shelf life (10 years vs 5-7 years) and improved leak resistance compared to standard Max. The core alkaline chemistry is similar, so runtime in devices is comparable between the two ranges.

Are these rechargeable?

No. These are single-use alkaline cells. Attempting to recharge alkaline batteries can cause leakage, swelling or rupture. For rechargeable D cells, look for NiMH (nickel-metal hydride) cells rated at 1.2V nominal voltage.

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 Energizer Max Plus D cells are alkaline batteries in the LR20 format, supplied as a 2-pack in blister packaging. Each cell delivers 1.5V and is designed for high-drain devices including torches, lanterns, portable radios and large motorised toys. The Max Plus range carries a 10-year shelf life when stored in cool, dry conditions, meaning cells bought today will retain usable charge until 2035 if unopened.

    D cells are the largest common cylindrical battery format and suit devices that demand sustained high current draw over several hours. Torches used for camping, power cuts or security work are typical applications, as are battery-powered radios for outdoor use. The larger cell volume allows more active material than AA or AAA cells, providing longer runtime in devices that accept D-size batteries. These Energizer cells fit any device marked D, LR20, AM1, MN1300 or similar.

    Energizer's leak-resistant construction uses an improved seal design to reduce the risk of electrolyte leakage during storage or after depletion. The construction does not eliminate leakage entirely — all alkaline cells can leak if stored in extreme heat, left in devices after depletion, or installed backwards — but the Max Plus cells carry a no-leak guarantee during the 10-year shelf life period when stored correctly. The black and silver sleeve identifies the Max Plus variant within Energizer's range.

    Specification
    Weight (KG) 0.3
    Battery Range Energizer MaxPlus
    Cell Size D
    Cell Composition Alkaline
    Frequently Asked

    How long do these last in a torch?

    Runtime depends on the torch's power draw. A typical LED torch drawing 500-800mA will run for 12-20 hours on a pair of fresh D cells. Older incandescent torches with higher current draw may give 4-8 hours. High-output tactical torches with 1-2A draw will deplete cells faster.

    Can these be used in smoke alarms?

    Most UK smoke alarms use 9V PP3 cells or integrated lithium batteries. D cells are not common in smoke alarms, though some large industrial or marine alarms do accept them. Check the alarm's battery compartment or manual before purchasing.

    What's the difference between Max Plus and standard Energizer Max?

    Max Plus cells offer a longer guaranteed shelf life (10 years vs 5-7 years) and improved leak resistance compared to standard Max. The core alkaline chemistry is similar, so runtime in devices is comparable between the two ranges.

    Are these rechargeable?

    No. These are single-use alkaline cells. Attempting to recharge alkaline batteries can cause leakage, swelling or rupture. For rechargeable D cells, look for NiMH (nickel-metal hydride) cells rated at 1.2V nominal voltage.

    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.