Description
AA 1.5v 2200Mwh
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standard AA-sized battery (about 14 × 50 mm) that’s rechargeable.
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It delivers a nominal 1.5 V output, instead of the 1.2 V typical of many NiMH rechargeables.
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The “2200 mWh” (milli-watt-hours) rating is its energy capacity — roughly equivalent to ~1,460 mAh at 1.5 V (because 1.5 V × 1,460 mAh ≈ 2,190 mWh).
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Internally, it uses lithium-based chemistry and a built-in voltage regulation (step-down converter) so it can safely provide 1.5 V.
Key features
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Constant 1.5V output: The voltage stays stable near 1.5 V through much of its discharge, unlike standard alkaline or NiMH which drop over time.
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Rechargeable many times: You can reuse the battery hundreds of times, making it more cost-effective over the long run.
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High energy density (for its size): Because of lithium and regulation, you get relatively high usable energy compared to some older chemistries.
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Compatibility: Because it provides 1.5 V, it can work in devices that expect the voltage of standard non-rechargeable AAs (alkaline).
🕒 When & why you’d use it
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Use in devices that require or perform better at ~1.5V per cell — for example some toys, remote controls, flashlights, older cameras, etc.
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Good when you want to reduce waste and cost of disposable batteries over time.
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Especially useful where you want stable performance under load (constant voltage helps).
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Ideal when you already have many AA-devices in your home and would prefer smart rechargeable.






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