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Power your deep cycle battery system with a fast and reliable 14.6V 20A smart battery charger. Designed mainly for 12.8V LiFePO4 lithium iron phosphate batteries and compatible with 12V lead-acid batteries, this charger uses smart CC/CV charging control to provide stable current during the main charging stage and controlled voltage regulation as the battery approaches full charge. For over-discharged 12.8V LiFePO4 batteries, the charger supports 5V low-voltage activation when the battery is in BMS low-voltage protection mode. This helps restart charging for protected LiFePO4 batteries, while avoiding misleading claims about damaged cells or true 0V cell recovery. The included SB50-style quick connector and M8 terminal adapter cable make the charger convenient for RV, solar, off-grid, home backup, and deep cycle battery maintenance. A lightweight 2.2 lb aluminum alloy body, built-in cooling fan, pure copper wire, and multi-level protection system help support stable charging performance. Before use, please confirm your battery type, rated voltage, recommended charging voltage, capacity range, connector type, terminal size, and polarity. This charger is not waterproof and should only be used in a dry, ventilated indoor area. Specifications Product Type: 14.6V 20A Battery Charger Compatible Battery Type: 12V / 12.8V LiFePO4 batteries; compatible 12V lead-acid batteries Recommended Battery Capacity: 12.8V LiFePO4 50Ah-200Ah; 12V lead-acid 100Ah-200Ah Input Voltage: 100-240V AC, 50/60Hz Max Input Current: 5A Output Voltage: 14.6V DC Output Current: 20A Charging Mode: Smart CC/CV Charging Low-Voltage Activation: Supports 12.8V LiFePO4 batteries from as low as 5V when in BMS protection mode Connector: SB50-style 50A quick connector Adapter Cable: M8 terminal adapter cable Housing: Aluminum alloy Cooling: Built-in cooling fan Net Weight: 1 kg / 2.2 lb Dimensions: 6.42 x 3.75 x 2.2 in Operating Temperature: 0°C-40°C / -4°F-104°F Storage Temperature: -25°C-55°C / -77°F-131°F Waterproof: No Compatibility Note Compatible with 12V / 12.8V LiFePO4 batteries that require 14.6V charging voltage, and compatible with 12V lead-acid batteries within the supported capacity range. Please confirm your battery chemistry, charging voltage, capacity, connector type, terminal size, polarity, and manufacturer charging requirements before purchase.