The published continuous discharge rating is 12.5A, not 125A. Conditional output arithmetic gives about 36W for one cell or 72W for two at 3.2V per cell and 90% efficiency. Those estimates do not certify compatibility or safe operation in an arbitrary mod.
Mod Cells it takes Rated at Conditional estimate, not a safety certification VOOPOO Drag X3 Pod Mod Kit 80W One 18650 or one 21700 80W About 36W VOOPOO Drag 5 Mod Kit 177W Dual 18650 Two 18650 177W Will not fit, 18650 bays only VAPORESSO Armour Max Mod Kit 220W Dual Battery Two 21700 220W Not suitable, VAPORESSO specify 25A or better and this cell is 12.5A
- Fits
- Only an exact device meeting all F60 cell requirements; calculated output alone does not establish fit or suitability
- Anyone who would rather charge less often than run flat out
Does not fit
- An 18650 mod such as the VOOPOO Drag 5 Mod Kit 177W Dual 18650, where a 21700 simply will not fit the bay
- Any mod whose maker specifies a minimum discharge rating above 12.5A
- Any mechanical mod, where there is no board between the coil and the cell
For help choosing a cell, send the exact device model, intended wattage and the cell details on WhatsApp. Check the device’s required cell format, terminal type, electrical limits and physical fit, as well as the cell’s rating and condition. Follow all device and cell instructions.
Manufacturer-listed capacity
Vapcell backs it with a full published specification: a minimum capacity of five thousand eight hundred and fifty, internal resistance around sixteen milliohms, and over a thousand charge cycles before it falls to seventy per cent of capacity. That is a serious cell.
The rating is 12.5 amps, and 125 is not a version of it
This needs stating plainly, because the wrong number travels with this cell wherever it is sold. The published Vapcell figure is twelve point five amps continuous. Somewhere in the retail chain a decimal point went missing, and twelve point five became a hundred and twenty-five.
A hundred and twenty-five amps from a 21700 is not a pulse rating, a peak rating or a marketing figure with some basis in fact. It is not a number Vapcell publishes anywhere. It is a typing error, and it overstates what the cell can safely deliver by a factor of ten.
Vapcell’s published continuous rating for this F60 is 12.5A. The 125A figure is not supported by that specification. A simplified I²R calculation using 16 milliohms gives 250W at 125A; this is illustrative arithmetic, not a measured thermal test or an exhaustive survey of other cells.
Twelve point five amps is the number. It is a good cell at that figure.
What twelve and a half amps runs
At an assumed 3.2V per cell and 90% conversion efficiency, 12.5A –3.2V –0.9 is 36W per cell, or 72W for two. Actual voltage, efficiency, temperature and device requirements matter; this calculation is not a universal safe-wattage rating.
Two 6000mAh cells in series remain 6000mAh at twice the single-cell voltage. Adding their separate mAh figures gives 12000mAh only as a sum, not the series pack capacity at that combined voltage; compare energy at equivalent voltage. No runtime ranking or compatible stocked dual-cell mod is established here. Drag 5 takes 18650s; Armour Max requires 25A-or-better cells and excludes this 12.5A F60 at every setting. Compare individual products: LG INR21700 M52V 5200mAh Battery.
No measured runtime comparison is established for this cell. Exact device battery requirements apply at every setting. Armour Max requires 25A-or-better cells, so this F60 is unsuitable there even at lower output.
A runtime cell, deliberately chosen
Choose this cell only after checking the exact device’s cell format, continuous-current and other battery requirements. The one-cell estimate is about 36W under the stated assumptions; no compatible stocked two-cell mod is established here.
Charging a six thousand milliamp-hour cell
Vapcell publish a standard charge current of two amps with a hundred milliamp cut-off, and a quick charge figure of three and a half amps. As with any lithium cell, the standard rate is kinder, and the quick rate is there for when you need it.
Charge to four point two volts, stop there, and never discharge below two and a half. Use a charger with independent bays and automatic termination, indoors, on a hard surface, not unattended overnight.
Charging and cell balancing depend on the exact mod’s board and instructions; some boards provide onboard balance charging. A suitable independent-bay external charger can be useful, but it does not turn unlike cells into a matched pair. Use compatible matched cells and the permitted charging settings.
Handling, wraps and cases
The listing describes a 74g, flat-top, unprotected cell. Keep the external wrap and positive-terminal insulating ring intact, and use a suitable protective case. These external parts are not a protection circuit or a description of the cell’s internal separator.
Check both before every insertion. Re-wrap a torn sleeve properly rather than taping over it. A cell that has taken a hard knock or shows a dent should be taken out of service. Keep spare cells in a plastic case instead of loose alongside coins or keys.
Judging a cell rating for yourself
The habit worth taking from this page: when a discharge figure looks extraordinary, check it against the physics rather than against another listing. Internal resistance times current squared gives you the heat the cell has to shed, and a cell that would cook itself cannot hold the rating.
Use the exact cell manufacturer’s specifications and clearly attributed independent test results, including temperature and other operating limits. Maximum, pulse, temperature-limited and continuous ratings are not interchangeable. Cell format alone does not establish a universal discharge ceiling, and a higher printed figure is not automatically meaningless. Check the actual device’s battery requirements; this does not approve any cell beyond the ratings used here.
Same day inside Nairobi and the towns bordering it from Vapesoko Nairobi, and 1 to 2 business days by courier for everywhere else in Kenya.
A high-drain 21700 has arrived
F60 is listed at 6000mAh and 12.5A; Vapcell publishes P42A at 4200mAh and 30A continuous discharge. Choose according to the exact device requirements; capacity figures alone do not establish runtime. Reference: Vapcell P42A 21700 4200mAh 30A Battery.
Best for
- Manufacturer-listed 6000mAh capacity
- A 6000mAh cell for an exact device meeting its battery requirements; no measured runtime ranking
- Over a thousand charge cycles to 70% capacity
- Anyone who vapes at moderate power and hates charging
Pack contents
- Cell: One battery cell of the named model; a matched pair requires two cells.
- Protective case: A plastic protective case is included with a single-cell purchase.
Required separately
- Equipment: A compatible device and charging arrangement that meet the exact cell instructions.
Check before ordering
- Specification: Confirm cell format, voltage, current rating and all device requirements.
- Handling: Keep exposed terminals away from conductive objects and use a suitable protective carry case.
Specifications
- Category: Accessories
- Consumable type: Batteries
- Format: 21700
- Typical capacity: 6000mAh
- Minimum capacity: 5850mAh
- Continuous discharge: 12.5A
- Nominal voltage: 3.60V
- Internal resistance: Around 16 milliohms
- Standard charge: 2000mA, with a 100mA cut-off
- Quick charge: 3500mA
- Cycle life: Over 1000 cycles to 70% capacity
- Weight and size: About 74g, 21.19 by 71.43mm
- Brand: Vapcell
- Format: 21700, flat top, unprotected
- Continuous discharge rating: 12.5A, the published Vapcell figure
- Typical capacity: 6000mAh, listed by Vapcell
- Calculated output estimate, one cell: About 36W at 3.2V/cell and 90% efficiency; conditional arithmetic, not a universal safety rating
- Calculated output estimate, two cells: About 72W at 3.2V/cell and 90% efficiency; no compatible stocked dual-cell mod established
- Recommended charge current: 2A standard, 3.5A quick
- Sold as: A single cell. Confirm exact device requirements before choosing a pair
- Who it is for: Adult smokers and vapers, 18+. Not suitable for non-smokers or for anyone who has never used nicotine.
- Delivery: Same day in Nairobi and nearby towns on an early dispatch; typically 1 to 2 business days elsewhere in Kenya
