Slim 1.5V alkaline power
The GP AAAA is a genuine 1.5V alkaline battery in the slim, cylindrical AAAA format. It delivers reliable long-life power for the compact, low-drain devices that need this less common but very useful cell size.
Where it is used
AAAA cells power laser pointers, penlights and small LED torches, active stylus pens, and a range of miniature electronics and instruments. If your device is marked AAAA or LR8D425, this GP cell is the correct replacement.
Not to be confused with AAA
An AAAA is thinner and shorter than a standard AAA, measuring roughly 42.5 mm long by 8.0 mm in diameter, so the two do not interchange. Also known by its IEC code LR8D425 and GP’s own code 25A, it uses dependable alkaline zinc-manganese dioxide chemistry.
Specification and recycling
It offers around 600 mAh of capacity at 1.5V nominal. As a single-use primary cell it must not be recharged, and should be recycled at a battery collection point when spent. For more batteries and power for your kit, see our BBs, gas and batteries range.







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