— 21700 High Drain
THE EVERYDAY 21700
5000mAh with 15A continuous and a 1C charge rate. The balanced default when no single spec has to win.
— Where it works
WHAT THIS CELL IS GOOD FOR
Each scene states the case for this cell and, just as plainly, the case against it. Knowing which cell not to buy is the point.
General-purpose 21700 packs
5000mAh, 15A continuous, and a faster 1C charge rate than the high-energy cells. Nothing here is extreme, which is what makes it a sane default for a pack with no dominant constraint.
Where it does not fit
It does not lead on any axis. If range is the goal take the 60D; if peak current is, take the 50P. This is the compromise, deliberately.
Devices that charge and discharge often
A 1C charge rate refills the cell about twice as fast as the 0.5C cells, which suits gear that is cycled frequently rather than left to run flat.
Where it does not fit
Faster charging is still stress. The 300–600 cycle window reflects that, and it is shorter than the equivalent high-energy cells.
Balanced power draws
A 5C pulse rating covers routine motor and load spikes without the premium of a dedicated high-power cell.
Where it does not fit
25A pulse is not enough for stalled motors or heavy inrush. Size the pack for the spike, not for the average, and check it against this ceiling.
— The numbers that matter
INR21700-50D · 5000mAh
Capacity
Energy stored per cell. Multiplied across the pack, this is your run time.
Standard discharge
The current this cell can hold continuously. Match it to your load before anything else.
Pulse discharge
A short burst — motor start, takeoff, inrush. Not a sustained figure.
Cycle life
Charge/discharge cycles before capacity falls to the end-of-life threshold, at gentle duty.
Remaining ratings
- Nominal voltage
- 3.6V
- Max charge
- 4.2V
- Charge current
- 5A (1C)
- Energy
- 18Wh
- Energy density
- 250 Wh/kg
- Weight
- ≤72 g
Figures reflect NCM 21700 · High Drain manufacturer specifications. Duty cycle, thermal management, and pack design all move the real numbers — confirm your intended load with Monachi before committing to a target.
— Compare the family
CLOSE CALLS IN 21700 HIGH DRAIN
— Order this cell
INR21700-50D
5000mAh · NCM 21700 · High Drain
Add this cell to your cart, or send the selection straight to our sales team on Telegram. Prices shown are indicative starting prices — final B2B pricing, availability, and terms are confirmed by Monachi.
Indicative pricing (USD)
Not a final offer. Freight, duties, and payment terms are quoted per order — confirm with Monachi before you plan against these numbers.
3-month warranty on every cell. Defective cells are replaced.