The Best 18650 Batteries


In a Nutshell Our choice for the best 18650 battery is the Panasonic 18650 battery. This battery has a high capacity (3100 mAh) and performs better than comparable 18650 batteries. The Panasonic 18650 battery is available at Amazon for around $21. You can also find a pack that includes a charger and four batteries on Amazon here. If you are […]

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The Best 9V Rechargeable Battery


Low-self discharge 9v NiMH batteries have become available in the last few years. The “low-self discharge” label means these batteries will hold their charge for a year, unlike previous NiMH batteries. This makes these 9V battery much more compelling, because 9V batteries are often used in applications like fire alarms, where the battery must sit for […]

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