In Flashlight 18650 Malkoff Devices compatibility question January 2, 2026 Share Share on Facebook Share on Twitter Pinterest LinkedIn Will the VAPCELL P1840A 18650 4000MAH be compatible in my Malkoff Devices MD2? by Hyalophora flashFlashlightlight 1 Comment altforthissubreddit 4 months ago I don’t have this battery, but I’d guess this is exactly the kind of battery that caused them to revise the MD2 descriptions to include > If you plan to use a protected 18650 battery, be sure to purchase a MD Tube Spacer It’s a 4000mAh cell, and has built-in charging added on. The listing you added a screenshot of says it is longer than a 21700. Write A CommentYou must be logged in to post a comment.
altforthissubreddit 4 months ago I don’t have this battery, but I’d guess this is exactly the kind of battery that caused them to revise the MD2 descriptions to include > If you plan to use a protected 18650 battery, be sure to purchase a MD Tube Spacer It’s a 4000mAh cell, and has built-in charging added on. The listing you added a screenshot of says it is longer than a 21700.
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I don’t have this battery, but I’d guess this is exactly the kind of battery that caused them to revise the MD2 descriptions to include
> If you plan to use a protected 18650 battery, be sure to purchase a MD Tube Spacer
It’s a 4000mAh cell, and has built-in charging added on. The listing you added a screenshot of says it is longer than a 21700.