DALY BMS 12V 4S 400A Balance - Smart WiFi Bluetooth BMS with 5A Active Cell Balancing Supports RS485 CAN for 12V LiFePO4 Battery Pack Replacement for AGM Marine Lead Batteries

LITHIUM BATTERY MANAGEMENT SYSTEM: Provides comprehensive protection including low voltage cutoff, high voltage cutoff, short circuit protection, and temperature protection for increased performance and extended life of your 4S 12 volt 400 amp battery systems.
^^ 2-IN-1 BLUETOOTH/WI-FI DONGLE: For local/remote battery monitoring through Smart BMS mobile app with real-time system alerts and customizable parameters. Whether you're powering an RV/Marine getaway or keeping your portable power station running smoothly, DALY BMS provides the utmost confidence in your power system. ^^
SUPPORTS MULTIPLE PARALLEL SYSTEMS: The built-in parallel circuit of DALY BMS supports 8+ battery packs, letting you scale up capacity simply by adding more batteries - more power, longer runtime. ^^ DALY BMS WITH 5A
ACTIVE BALANCER: It enables faster cell balancing, less heat generation, higher energy efficiency, and increased system runtime. Our active balance BMS solutions are designed to be simple and be cost-effective. ^^ 5-YEAR WARRANTY.
Packing list: 4S 12V 400 Amps Smart BMS 1, 5A 4S Active Balancer 1, B-P-Output line 2, 2-in-1 BT/WiFi dongle 1, sampling cable 1, NTC 1, manual
1. Easy to install - everything you need for setup and operation.
Certifications: ISO/FCC/RoHS/PSE/CE approved.