12S 20A BMS – Daly G Series

12S 20A BMS – Daly G Series is a compact and reliable battery management system designed for 12-cell lithium-ion packs. It offers 20A continuous discharge, passive balancing, and essential protections including overcharge, over-discharge, overcurrent, and short circuit. With a same-port configuration and optional waterproofing, it’s ideal for e-bikes, scooters, and portable power systems where space and safety matter.

$30.00

Specifications

12S 20A BMS – Daly G Series configured for lithium-ion cells, here are the typical specifications:

Battery Type: Lithium-ion (3.7V nominal per cell)
Nominal Voltage: 44.4V (12S)
Charge Voltage: 50.4V (4.2V × 12)
Discharge Cutoff Voltage: ~36V (3.0V × 12)
Continuous Charge/Discharge Current: 20A
Balancing Current: ~30–60 mA (passive balancing)
Port Configuration: Same port (charge and discharge share the same leads)
Protection Features: Overcharge, over-discharge, overcurrent, short circuit, temperature protection

You can find more details and datasheets on the Daly BMS product page

Applications

The12S 20A BMS – Daly G Series is designed for compact lithium-ion battery packs where moderate current protection and reliability are key. Here are some common applications:

Electric scooters and e-bikes – Ideal for commuter-grade builds with moderate power draw.
Electric wheelchairs and mobility devices – Ensures safe operation with built-in protections.
Hoverboards and small personal transporters – Compact size and waterproofing make it suitable for mobile platforms.
Solar-powered lighting systems – Used in solar street lamps or garden lighting where 12S packs are common.
Portable power stations – For DIY or commercial battery packs requiring 20A continuous output.
Low-power electric skateboards – Suitable for builds that don’t exceed 800–900W peak draw.

Its passive balancing and same-port configuration make it a good fit for applications where simplicity and space-saving are priorities