11.1V 15.6Ah 3S6P 18650 Lithium Ion Battery Pack
High-power LED systems require batteries that maintain consistent performance under sustained high-current loads, without succumbing to voltage drop or overheating.
Our 11.1V 15.6Ah battery pack meets these demands through an optimized 3S6P structure with 18 high-performance 2600mAh cells. Featuring a 15A continuous discharge BMS and enhanced thermal design, it delivers reliable power for applications where safety and runtime stability cannot be compromised.

Key features:
- 15.6Ah High Capacity – Extended operation for demanding LED systems and robotics
- 15A Continuous Discharge – Stable power delivery under heavy loads
- Advanced BMS Protection – Multi-layer safety with temperature control
| No. | Item | Specification | Note |
|---|---|---|---|
| 1 | Nominal Voltage | 11.1V | 3.7V/Cell |
| 2 | Nominal Capacity | 15.6Ah | @0.2C |
| 3 | Minimum Capacity | 15Ah | |
| 4 | Shipment Voltage | / | |
| 5 | Initial Internal Impedance | ≤220mΩ | AC 1KHZ |
| 6 | Standard Charge Voltage | 12.6V | 4.2V/Cell |
| 7 | Standard Charge Current | 8A | |
| 8 | Max. Charge Current | 15A | |
| 9 | Standard Discharge Current | 8A | |
| 10 | Max. Discharge Current | 20A | |
| 11 | Burst Discharge Current | 35A | ≤5ms |
| 12 | Discharge Cut-off Voltage | 7.5V | 2.5V/Cell |
| 13 | Cycle Life | ≥500cycles | Capacity retention ≥80% |
| 14 | Charge Temperature | 0°C~+45°C | Standard charge |
| 15 | Discharge Temperature | -20°C ~+60°C | Standard discharge |
| 16 | Storage Temperature | -20°C~45°C | ≤3 months |
| -20°C~25°C | ≤1 year | ||
| 17 | Weight | About810 | g |
| 18 | Special Request |
11.1V 15.6Ah 18650 Battery Pack FAQs
Can the BMS include temperature monitoring or battery level indication?
Yes. We offer multiple monitoring options.
- 4-level LED power indicators (25/50/75/100%)
- Custom SOC algorithms for specific applications
How reliable are the cell sources?
We work directly with authorized distributors of leading cell manufacturers including Sunpower, BAK,Lishen and DMECGL, ensuring traceable cell origin. Each batch is supported by original factory certificates and consistency reports.
How is safety ensured?
The standard built-in protection circuit provides over-charge, over-discharge, short-circuit, and over-current protection. We use flame-retardant casing and explosion-proof vent cells, with strict factory safety testing.
What quality controls are implemented?
Five key inspection steps: 100% cell screening, post-welding resistance test, semi-finished product capacity test, finished product aging test, and final safety inspection.
Tailored Customization
Our design team can create custom battery designs for just about any device or machine.
Timely Delivery
Our efficient production and distribution process gets your product delivered in a timely manner.
Quality Guarantee
We stand by our products and guarantee you’ll be happy with your purchase.

