Daly Heavy-Duty Smart BMS | 300A 400A 500A High-Current Powerhouse
Stop letting weak protection boards bottleneck your high-power electric drivetrains. The Daly Heavy-Duty Smart BMS Series (300A / 400A / 500A) is built specifically for high-torque electric propulsion, massive winches, and industrial lithium conversions. Running on a standard UART & Bluetooth setup, it bypasses complicated inverter protocols to deliver raw, continuous, and unrelenting current right when your motor demands it most.
🔥 Why Serious Builders Choose the Daly 300A-500A BMS
- Never Trips on Sudden Loads (No Interruption): Tired of cheap boards shutting down the moment you hit the gas or start the winch? Built with heavy-duty internal copper and automotive-grade chips, this beast can withstand sudden, brief power spikes up to 750A. It keeps your power flowing smoothly, even when your motor is working its hardest.
- Smart Fan Cooling (No Overheating): High current means high heat, and heat kills electronics. That’s why our 300A, 400A, and 500A models come packed inside a thick aluminum cooling shell with a built-in smart fan. The fan automatically kicks in only when things get hot, blowing away the heat to protect your expensive battery pack.
- Instant Phone Monitoring (No Guesswork): Just open the free Smart BMS App via Bluetooth on your phone. You can instantly see your battery percentage, real-time temperature, individual cell health, and how much power you are drawing.
- IP66 Waterproof Rating (100% Waterproof): Whether you are driving through deep mud on an off-road trail, working in a dusty warehouse on a forklift, or sailing out at sea, this BMS is ready. It is fully sealed with specialized thermal silicone to resist harsh vibrations, heavy dust, mud, and salty water mist.
📊Technical Specifications
| Parameter | Specification |
|---|---|
| Supported Battery Chemistry | LiFePO4 (Lithium Iron Phosphate) 3.2V Cells |
| Current Options (Continuous) | 300A / 400A / 500A Constant Discharge |
| Battery Series No. | 4S/ 8S/ 16S |
| Communication Methods | Bluetooth Module (App) + UART Port (PC) |
| Active Cooling | Integrated with FAN |
| Passive Balancing Current | 100mA |
🎯 Dominate These Heavy-Duty Applications
If your project involves raw mechanical work and zero-compromise power delivery, this is your flagship board:
- Heavy Commercial Fleet Upgrades: Drop-in lithium conversions for 48V electric forklifts, airport luggage tugs, warehouse stock pickers, and agricultural utility vehicles.
- High-Torque Off-Road Winches: Ensures continuous, uninterrupted power to heavy-duty front-bumper recovery winches when pulling trucks or overland rigs out of deep mud pits.
- High-Output Marine Propulsion: Powering heavy electric outboards, commercial fishing boat thrusters, and large off-grid house battery banks on catamarans.
