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18.3 × 35 mm · 26 g

18350NMC Mooch-tested · 3 A

Vapcell F16

Name: Vapcell F16 Lithium Battery Cell
Brand: Vapcell

Vapcell

Capacity1600 mAh5.76 Wh · 221.54 Wh/kg

Mooch continuous3 ASize to this figure

Resistance60 mΩDC internal resistance

Voltage window3.6 V2.5 – 4.2 V

Standard charge500 mA~3.2 h to full

Build a pack with this cell →Download spec sheet (PDF)Open the datasheet Mooch's test ↗

At 1600 mAh, this ranks #1 of 10 18350 cells in our database. Near the top for capacity among 18350 cells. More capacity than 100% of 18350 cells in our database, but lower discharge than average.

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Full specifications

Electrical
Chemistry	NMC
Nominal voltage	3.6 V
Max charge voltage	4.2 V
Discharge cutoff	2.5 V
Max continuous discharge	3A (Mooch-tested)
Mooch CDR (trusted)	3 A
Standard charge current	500 mA
Internal resistance	60 mΩ
Physical
Form factor	18350
Dimensions	18.3mm × 35mm
Weight	26 g
Top type	Flat Top
Protected	No
Wrap color	Red
Performance
Capacity	1600 mAh
Energy	5.76 Wh
Specific energy	221.54 Wh/kg
Energy density	625.69 Wh/L
Power density (gravimetric)	415 W/kg
Power density (volumetric)	1,173 W/L

Independent test data: Mooch's test of the F16 ↗

At the standard 500 mA charge rate, a full charge takes about 3.2 hours. The last bit is a slow taper to top it off.

Voltage operating window

Cutoff
2.5VNominal
3.6VMax charge
4.2V

Usable range: 1.7V

C-rate conversion: Vapcell F16 (1600mAh)

C-Rate	Current (A)	Theoretical runtime
0.2C	0.32 A	5h 00m
0.5C	0.8 A	2h 00m
1C	1.6 A	1h 00m

Highlighted row is closest to the rated 3A continuous discharge.

Charging

Rate	Current	Estimated time
Standard	500 mA	~3h 12m
0.5C	800 mA	~2h 00m
1C	1,600 mA	~1h 00m

These are estimates for the constant-current phase. Real charge time is a bit longer because of the slow taper at the end.

Datasheet

Download official Vapcell F16 datasheet (PDF) ↗

Pack scaling

Series voltage configurations

Config	Nominal V	Max V	Min V	Common use
1S	3.6V	4.2V	2.5V	Flashlights, single-cell devices
2S	7.2V	8.4V	5V	RC vehicles, 7.2V packs
3S	10.8V	12.6V	7.5V	Power tools (10.8V nominal)
4S	14.4V	16.8V	10V	Ebike (small), some power tools
7S	25.2V	29.4V	17.5V	Ebike (24V system)
10S	36V	42V	25V	Ebike (36V system)
13S	46.8V	54.6V	32.5V	Ebike (48V standard)
14S	50.4V	58.8V	35V	Ebike (52V high-power)
16S	57.6V	67.2V	40V	DIY powerwall

Parallel capacity scaling

Config	Capacity	Energy	Max discharge
1P	1,600 mAh	5.8 Wh	3 A
2P	3,200 mAh	11.5 Wh	6 A
3P	4,800 mAh	17.3 Wh	9 A
4P	6,400 mAh	23 Wh	12 A
5P	8,000 mAh	28.8 Wh	15 A
6P	9,600 mAh	34.6 Wh	18 A

Example pack configurations

7S2P

24V ebike / small pack

14 cells25.2V nominal3,200mAh81Wh6A maxCell weight: 0.36 kg (add ~15% for wiring and BMS)

13S4P

48V ebike standard

52 cells46.8V nominal6,400mAh300Wh12A maxCell weight: 1.35 kg (add ~15% for wiring and BMS)

16S4P

DIY powerwall

64 cells57.6V nominal6,400mAh369Wh12A maxCell weight: 1.66 kg (add ~15% for wiring and BMS)

4S6P

Power tool replacement

24 cells14.4V nominal9,600mAh138Wh18A maxCell weight: 0.62 kg (add ~15% for wiring and BMS)

Design a custom pack with this cell:

Pack Planner →Pack Designer →

Application suitability

PowerwallsUsable for powerwalls but lower capacity means you'll need more cells to hit your target kWh.

Ebike PacksNot enough discharge for ebike use. Voltage sag would be a problem under load.

Car AudioNot enough discharge for car audio amplifiers. You need at least 15-20A continuous for most setups.

High-Drain VapingBelow the 25A Mooch CDR threshold that high-drain vaping needs. Use a higher-drain cell.

FlashlightsLower capacity means shorter runtime. Better cells are available for flashlight use.

Power ToolsNot enough discharge or capacity for power tool use.

Physical dimensions

Dimensions18.3mm × 35mm

TopFlat Top

Format18350

Similar cells

Same format and chemistry, within ±500mAh capacity:

Cell	mAh	CDR	Wh	Weight	Wh/kg
Vapcell F16 (this cell)	1600	3A	5.76	26g	221.54
Vapcell H16	1600	5A	5.8	26g	222
Keeppower UH1835P	1200	10A	4.3	25g	173
Vapcell 18350 1100mAh 9A	1100	9A	4	26g	152
Vapcell M11	1100	9A	4	26g	152

Build with this cell

Pack PlannerSize your pack. Voltage, capacity, runtime, BMS.Pack Designer2D & 3D layout for your exact cell arrangement Pack BuilderBalance cells by capacity and internal resistance

Frequently asked questions

What is the capacity of the Vapcell F16?

What is the maximum discharge rate of the Vapcell F16?

How many F16 cells do I need for a 48V ebike battery?

What does the Vapcell F16 weigh?

Can I use the F16 for vaping?

What size is the Vapcell F16?

Handling and safety

Lithium cells can be dangerous if mishandled. A few things to keep in mind:

Never charge above 4.2V or discharge below 2.5V.
Store cells at around 3.6-3.8V (roughly 40-60% charge) for long-term storage.
Don't mix cells with different capacities, chemistries, or states of charge in a pack.
Inspect wraps before use. A torn wrap can cause a short circuit.
Always use a BMS or balance charger appropriate for your pack configuration.
Keep cells away from metal objects, keys, and coins. A short across the terminals can cause fire.

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Specs come from manufacturer datasheets and independent testing; Mooch-tested discharge ratings are shown when available because they reflect real continuous performance better than headline datasheet numbers. Browse the full 18650 & 21700 cell database to compare every cell.

Disclaimer: We do our best to keep the information on this page accurate, but we cannot guarantee that all specifications are correct or up to date. Cell characteristics can vary between production batches and may change over time. Do not rely solely on this data for safety-critical applications. Always verify against the manufacturer's official datasheet before use.