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$-45.99 USD
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SKU: LFP12V4S30A
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Only 5 in stock!
Real-time battery monitoring, right from your phone.
Take full control of your LiFePO4 battery with the Smart Bluetooth Battery Management System (BMS). This advanced system actively protects your battery while giving you real-time visibility into its condition — no complicated setup required. With the included Bluetooth dongle, you can monitor voltage, current, and battery health directly from your phone, making it ideal for RVs, solar systems, and other battery-powered setups.
Key Features
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Bluetooth-enabled monitoring — check real-time battery data from your phone
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Multi-layer protection — guards against overcharge, over-discharge, and short circuits
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Compact, easy installation — fits into existing battery pack builds without hassle
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Compatible with multiple battery configurations — six voltage/amperage options to match your build
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No complicated setup — connect the dongle and start monitoring right away
Available Configurations
| Configuration |
Voltage |
Cell Count |
Max Current |
| 12V 4S 30A |
12V |
4S |
30A |
| 24V 8S 60A |
24V |
8S |
60A |
| 36V 12S 30A |
36V |
12S |
30A |
| 36V 12S 60A |
36V |
12S |
60A |
| 48V 16S 30A |
48V |
16S |
30A |
| 48V 16S 50A |
48V |
16S |
50A |
Specifications
| Specification |
Details |
| Base SKU |
LFP12V4S30A |
| Monitoring |
Bluetooth app connectivity (dongle included) |
| Protection |
Overcharge, over-discharge, short-circuit |
| Battery Type |
LiFePO4 |
What's in the Box
- 1 x Smart Bluetooth LiFePO4 BMS (configuration per selection)
- 1 x Bluetooth Dongle
FAQ
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How do I choose the right configuration?
Match the "S" (series cell count) and voltage to your specific LiFePO4 pack — for example, a 12.8V 4-cell pack needs the 12V 4S option.
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Do I need to download an app to monitor my battery?
Yes, pair the included Bluetooth dongle with your phone's companion app to view real-time data.
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What does this BMS protect against?
Overcharge, over-discharge, and short-circuit conditions.
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Is this suitable for RV and solar setups?
Yes, it's well suited for RVs, solar systems, and other LiFePO4 battery-powered applications.
Ready to Monitor Your Battery in Real Time?
Order the configuration that matches your pack today, and get smarter battery management with peace of mind built in. Only 5 in stock per configuration — order now before it's gone.
You May Also Need
Building a full pack? Browse Cylindrical Cells, Spot Welders, and Heat Shrink & Connectors, or see the full Battery Management Systems collection.
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.
