Daly H Series – Smart BMS – Various

Daly H Series Smart BMS is a compact, feature-rich Battery Management System that safeguards lithium-ion, LiFePO₄, and LTO battery packs. Available in both 40 A and 60 A versions, Marsen stocks 4S – 14S configuration. The Daly H Series offers active/passive cell balancing, comprehensive safety protections, remote monitoring via Bluetooth/RS485/UART/CAN. Its compact PCB design and robust features make it ideal for EVs, solar storage, robotics, and two-/three-wheeled electric vehicles.

Key Features

Supports Li-ion, LiFePO₄, and LTO battery types, selected via app or software
Active balancing up to 1 A for faster, efficient charge distribution
Communication & monitoring through Bluetooth (built-in), UART, RS485, CAN.
Protections: overcharge, over-discharge, over-current, short-circuit, and temperature

Price range: $90.00 through $100.00

Specifications

Daly H Series – Smart BMS – Various

Specification	Details
Support Cell Configurations	4S – 14S
Current Ratings	40A and 60A continuous options
Active Balancing Current	Up to ~1 A
Communication Interfaces	Bluetooth, UART, RS485, CAN
Battery Chemistries	Li-ion, LiFePO₄, LTO selectable
Protections	Overcharge, over-discharge, over-current, short-circuit, temp sensors
Precharge Function	Yes, for load-safe startup
Parallel Support	Built-in support for safe battery pack expansion
Dimensions & Weight	~126 × 66 × 15.8 mm; 177 g
Sampling/Temp Cables	Included (24 AWG sense cables, NTC cable, P‑/B‑/P+ cables)

Applications

Daly H Series is a versatile unit commonly used in mid-power lithium-ion battery applications where smart monitoring and protection are essential. Here are some typical use cases:

Electric bikes and scooters – Ideal for 48V systems, offering reliable current handling and real-time diagnostics via CAN.
Portable energy storage systems – Great for off-grid setups or solar battery banks where safety and communication are key.
Electric skateboards and personal mobility devices – Compact enough for tight enclosures while supporting high discharge rates.
DIY powerwalls or backup systems – Especially when paired with inverters or solar charge controllers that support CAN integration.
Robotics and industrial tools – Where precise battery management and thermal protection are critical.