Smart Bluetooth Li-Ion Battery Management System with Balancing Leads media thumbnails
Buy Mach 1 Lithium Lithium Ion Electric Mobility Battery – main product view ready to buy online (image 1 of 5)
Shop Mach 1 Lithium Lithium Ion Electric Mobility Battery – front view for purchase (image 2 of 5)
Purchase Mach 1 Lithium Lithium Ion Electric Mobility Battery – angled view showing build quality (image 3 of 5)
Order Mach 1 Lithium Lithium Ion Electric Mobility Battery – side profile view (image 4 of 5)
Get Mach 1 Lithium Lithium Ion Electric Mobility Battery – top detail view (image 5 of 5)

Smart Bluetooth Li-Ion Battery Management System with Balancing Leads

$59.99 USD

Shipping calculated at checkout

SKU: SLI12V3S100A

Add $100.00 USD more for FREE shipping!

Only 5 in stock!

Real-time monitoring and automatic cell balancing, in one unit.

Ensure your Li-Ion batteries are always safe, balanced, and performing at their best with this Smart Bluetooth Battery Management System. This all-in-one solution comes with a Bluetooth dongle for real-time monitoring on your smartphone and balancing leads to maintain battery health and longevity — ideal for DIY projects, electric vehicles, e-bikes, and other Li-Ion pack builds.

Key Features

  • Bluetooth connectivity — monitor battery voltage, current, and health directly from your phone
  • Automatic cell balancing — ensures all cells stay balanced for maximum efficiency
  • Comprehensive protection — guards against overcharge, over-discharge, and short circuits
  • Pre-wired balancing leads — ready to connect right out of the box
  • Easy installation — simple setup for any Li-Ion pack

Available Configurations

Configuration Voltage Cell Count Max Current
12V 3S 100A 12V 3S 100A
24V 7S 30A 24V 7S 30A
24V 7S 60A 24V 7S 60A
36V 10S 30A 36V 10S 30A
36V 10S 60A 36V 10S 60A
48V 13S 30A 48V 13S 30A
48V 13S 60A 48V 13S 60A

Specifications

Specification Details
Base SKU SLI12V3S100A
Battery Type Li-Ion
Monitoring Bluetooth app connectivity (dongle included)
Balance Function Pre-wired balancing leads included
Protection Overcharge, over-discharge, short-circuit

What's in the Box

  • 1 x Smart Bluetooth Li-Ion BMS (configuration per selection)
  • 1 x Bluetooth Dongle
  • Balancing Leads

FAQ

  1. How do I choose the right configuration?
    Match the "S" (series cell count), voltage, and max current to your specific Li-Ion pack.
  2. Do I need an app to monitor this BMS?
    Yes, pair the included Bluetooth dongle with your phone's companion app to view real-time voltage, current, and battery health.
  3. What applications is this suited for?
    DIY builds, electric vehicles, e-bikes, and other Li-Ion pack projects.
  4. What protection does this BMS include?
    Overcharge, over-discharge, and short-circuit protection, alongside automatic cell balancing.

You May Also Need

Need LiFePO4 instead of Li-Ion? See our Smart Bluetooth LiFePO4 BMS or LiFePO4 BMS with Balancing Leads. Want balancing without Bluetooth? See the Li-Ion BMS with Balancing Leads. Building a full pack? Browse Cylindrical Cells and Spot Welders.

Why Buy from Mach 1 Lithium

Mach 1 Lithium supplies the real components DIY builders need — accurate specs, genuine protection circuitry, and support if you're not sure which configuration fits your build.