11S 20A BMS – Daly G Series

11S 20A BMS – Daly G Series is a compact and reliable battery management system designed for 11-cell lithium-ion packs. It delivers 20A continuous charge and discharge current, with built-in protection against overcharge, over-discharge, overcurrent, and short circuits. Featuring passive cell balancing and a durable design, it’s ideal for e-mobility, portable power, and DIY energy storage applications.

$30.00

Specifications

Battery Type: Lithium-ion (11S configuration)
Nominal Voltage: 40.7V (3.7V × 11 cells)
Charge Voltage: 46.2V (4.2V × 11 cells)
Continuous Charge/Discharge Current: 20A
Overcharge Protection: Typically around 4.25V per cell
Over-discharge Protection: Around 2.8V per cell
Short Circuit Protection: Yes
Cell Balancing: Passive balancing, ~30–60mA
Operating Temperature: -20°C to 60°C
Dimensions: Varies slightly by version, typically compact and lightweight

Applications

11S 20A BMS – Daly G Series is well-suited for a range of compact lithium-ion battery applications where moderate current and reliable protection are essential. Common use cases include:

Electric skateboards and scooters – Ideal for lightweight e-mobility platforms requiring stable 11S packs.
Portable power stations – Ensures safe operation and longevity in mobile energy storage systems.
DIY battery packs – Popular among hobbyists building custom lithium-ion packs for tools or robotics.
Solar energy storage – Supports small-scale solar setups where 11S configurations are used.
Backup power systems – Provides dependable protection for UPS or emergency battery banks.

Its passive balancing, compact form factor, and straightforward protection features make it a go-to choice for builders and integrators who prioritise simplicity and safety.