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A ready-to-go starter kit for anyone who needs two matched, genuine mid-drain 18650 cells and a compact way to charge them — no separate charger purchase, no guessing whether a charger you already own is a safe, appropriate match.
This listing is for Flat Top. Looking for Button Top? Click here to buy: NCR18650BD Button Top + XTAR MC2 Bundle.
The NCR18650BD is Panasonic's mid-drain follow-up to the NCR18650B — very similar capacity, but a genuinely higher discharge ceiling (10A continuous versus the B's 4.875A). That makes it a better fit for devices that need more than trickle-level current but don't require the extreme discharge rates of dedicated high-drain cells like the Samsung 25R or 30Q. Flat Top is the standard terminal type for most current devices — DIY packs, general electronics, and equipment that doesn't rely on spring-loaded contacts. Buying two cells together as a matched pair means you're starting with cells from a similar batch, which matters for anything that runs cells in series or expects consistent performance between them.
The XTAR MC2 pairs well here because it charges both slots at a full 1A simultaneously, with no current-splitting trade-off for using both bays at once — a rate that sits comfortably between this cell's standard (0.909A) and maximum (1.5A) charge current specs.
| Parameter | Value |
|---|---|
| Brand & Model | Panasonic NCR18650BD |
| Capacity | 3,200mAh nominal (3,180mAh typical, 3,030-3,080mAh minimum depending on test conditions) |
| Nominal Voltage | 3.6V |
| Charge Voltage | 4.20V ±0.05V |
| Standard Charge Current | 0.909A (0.3C) |
| Max Charge Current | 1.5A |
| Charge Cutoff Current | 60.6mA (0.02C) |
| Discharge Cutoff Voltage | 2.5V |
| Max Continuous Discharge | 10A (3C) |
| AC Impedance | ≤35mΩ (1kHz) |
| Charge Temperature | +10°C to +40°C |
| Discharge Temperature | -20°C to +60°C |
| Cycle Life | 500+ cycles |
| Terminal Type | Flat Top |
| Protection Circuit | None (unprotected cell) |
| Weight | 49.5g max |
| Cell Dimensions | ~18.5mm x 65.1mm |
This cell's specs are well-documented and consistent across independent lab testing and Panasonic's own datasheet — unlike some cells in this category, there's no meaningful discrepancy between sources on its 10A discharge rating. These are genuine cells verified against that documentation, not rewrapped or relabeled stock.
This listing is for Flat Top. For Button Top, click here
| Parameter | Value |
|---|---|
| Input | Type-C, 5V⎓2A |
| Charging Current | 1A per slot — both slots simultaneously, no splitting |
| Charging Method | 3-stage charging (trickle → constant current → constant voltage), 2 independent slots with automatic detection |
| End-of-Charge Voltage | 4.2V ±0.05V |
| End-of-Charge Current | <130mA cutoff |
| Operating Temperature | 0°C to 40°C |
| Dimensions | L103mm x W53mm x H30mm |
| Weight | 54g |
| Compatible Cell Sizes | 3.6V/3.7V Li-ion, sizes 10440 through 26650 (10440, 14500, 14650, 16340, 17335, 17500, 17670, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22650, 25500, 26650), including protected 21700 cells |
| Extra Feature | "0V" activation technology — can recover some over-discharged cells |
| Status Indicators | Green = standby/fully charged, Red = charging, Off/unlit = reverse polarity or abnormal insertion |
| Safety | Reverse polarity protection, short-circuit protection, 3-stage charge control |
A realistic note on charge time: the MC2's 1A per slot sits between this cell's standard charge current (0.909A) and its 1.5A max — a sensible, comfortable rate. Expect a full charge in roughly 3.5-4 hours, both cells at once.
Not the right choice for sub-ohm mechanical mods, or anything regularly demanding more than 10A per cell — for those, a dedicated high-drain cell like the Samsung 25R or 30Q is a better match.
Can this charger handle the NCR18650BD's full capacity safely? Yes. The MC2's 1A per slot sits comfortably between this cell's standard (0.909A) and max (1.5A) charge current specs — a full charge takes roughly 3.5-4 hours, both cells at once.
How is the BD different from the standard NCR18650B? Capacity is similar (3,200mAh for the BD versus 3,400mAh for the B), but the BD has a meaningfully higher discharge ceiling — 10A continuous versus 4.875A for the standard B. If your device needs more current than the B can deliver but doesn't need a dedicated high-drain cell, the BD is the middle-ground option.
Will Flat Top cells work in my device? If your device uses spring-loaded, flat, or magnetic-style contacts without a raised positive terminal requirement, Flat Top is the correct choice. If your device specifically calls for Button Top (a raised positive terminal), you'll want that version instead.
Can I charge two different battery sizes at once? Yes — the MC2's two slots operate independently with automatic size and chemistry detection, so you could charge one 18650 and a differently-sized cell (like a 21700) at the same time if needed.
Is this kit protected-cell compatible? The MC2 supports protected 21700 cells if you use it for those later. The Panasonic NCR18650BD cells included in this bundle are unprotected bare cells.
What does the "0V activation" feature do? It lets the charger attempt a slow, controlled charge on cells drained deep enough that a standard charger would refuse to recognize them at all. It won't save every over-discharged cell, but it can recover some that would otherwise be written off.
In stock now. This bundle ships as a matched pair of genuine Panasonic NCR18650BD Flat Top cells with a verified XTAR MC2 charger — ready for moderate-drain flashlights, tools, and general electronics out of the box.
Authentic Panasonic Cells – sourced from official distributors. No rewraps, no fakes.
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Delivery Time: Once shipped, orders typically arrive within 7–15 business days.
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