Battery Building ToolsCell Database PURPLE 10A 1000mAh

✱ Render

18.3 × 49.8 mm · 40 g

18500LMO Mooch-tested · 10 A

Efest PURPLE 10A 1000mAh

Name: Efest PURPLE 10A 1000mAh Lithium Battery Cell
Brand: Efest

Efest

Capacity1000 mAh3.6 Wh · 90 Wh/kg

Mooch continuous10 ASize to this figure

Voltage window3.6 V3 – 4.2 V

Standard charge1000 mA~1 h to full

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

At 1000 mAh, this ranks #3 of 3 18500 cells in our database. On the lower end for capacity among 18500 cells. A mid-range 18500 cell. Solid for builds that don't need extreme capacity or discharge.

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Full specifications

Electrical
Chemistry	LMO
Nominal voltage	3.6 V
Max charge voltage	4.2 V
Discharge cutoff	3 V
Max continuous discharge	10A (Mooch-tested)
Mooch CDR (trusted)	10 A
Standard charge current	1000 mA
Physical
Form factor	18500
Dimensions	18.3mm × 49.8mm
Weight	40 g
Top type	Flat Top
Protected	No
Wrap color	Purple
Performance
Capacity	1000 mAh
Energy	3.6 Wh
Specific energy	90 Wh/kg
Energy density	274.84 Wh/L
Power density (gravimetric)	900 W/kg
Power density (volumetric)	2,748 W/L
Cycle life	300 cycles

Independent test data: Mooch's test of the PURPLE 10A 1000mAh ↗

At the standard 1000 mA charge rate, a full charge takes about 1 hours. The last bit is a slow taper to top it off.

Voltage operating window

Cutoff
3VNominal
3.6VMax charge
4.2V

Usable range: 1.2V

C-rate conversion: Efest PURPLE 10A 1000mAh (1000mAh)

C-Rate	Current (A)	Theoretical runtime
0.2C	0.2 A	5h 00m
0.5C	0.5 A	2h 00m
1C	1 A	1h 00m
2C	2 A	30m
3C	3 A	20m
5C	5 A	12m
8C	8 A	7m 30s
10C	10 A	6m

Highlighted row is closest to the rated 10A continuous discharge.

Charging

Rate	Current	Estimated time
0.5C	500 mA	~2h 00m
1C	1,000 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.

Pack scaling

Series voltage configurations

Config	Nominal V	Max V	Min V	Common use
1S	3.6V	4.2V	3V	Flashlights, single-cell devices
2S	7.2V	8.4V	6V	RC vehicles, 7.2V packs
3S	10.8V	12.6V	9V	Power tools (10.8V nominal)
4S	14.4V	16.8V	12V	Ebike (small), some power tools
7S	25.2V	29.4V	21V	Ebike (24V system)
10S	36V	42V	30V	Ebike (36V system)
13S	46.8V	54.6V	39V	Ebike (48V standard)
14S	50.4V	58.8V	42V	Ebike (52V high-power)
16S	57.6V	67.2V	48V	DIY powerwall

Parallel capacity scaling

Config	Capacity	Energy	Max discharge
1P	1,000 mAh	3.6 Wh	10 A
2P	2,000 mAh	7.2 Wh	20 A
3P	3,000 mAh	10.8 Wh	30 A
4P	4,000 mAh	14.4 Wh	40 A
5P	5,000 mAh	18 Wh	50 A
6P	6,000 mAh	21.6 Wh	60 A

Example pack configurations

7S2P

24V ebike / small pack

14 cells25.2V nominal2,000mAh50Wh20A maxCell weight: 0.56 kg (add ~15% for wiring and BMS)

13S4P

48V ebike standard

52 cells46.8V nominal4,000mAh187Wh40A maxCell weight: 2.08 kg (add ~15% for wiring and BMS)

16S4P

DIY powerwall

64 cells57.6V nominal4,000mAh230Wh40A maxCell weight: 2.56 kg (add ~15% for wiring and BMS)

4S6P

Power tool replacement

24 cells14.4V nominal6,000mAh86Wh60A maxCell weight: 0.96 kg (add ~15% for wiring and BMS)

Design a custom pack with this cell:

Pack Planner →Pack Designer →

Application suitability

PowerwallsToo low capacity for practical powerwall use. You'd need too many cells.

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

Car AudioMight work for smaller setups. Check your amp's peak current draw.

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 ToolsMay work for lighter-duty tools. Check your tool's current requirements.

Physical dimensions

Dimensions18.3mm × 49.8mm

TopFlat Top

Format18500

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 Efest PURPLE 10A 1000mAh?

What is the maximum discharge rate of the Efest PURPLE 10A 1000mAh?

How many PURPLE 10A 1000mAh cells do I need for a 48V ebike battery?

What does the Efest PURPLE 10A 1000mAh weigh?

Can I use the PURPLE 10A 1000mAh for vaping?

What is the cycle life of the Efest PURPLE 10A 1000mAh?

What size is the Efest PURPLE 10A 1000mAh?

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 3V.
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.