Lithium battery for ships 'BT500-4S1P'

Lightweight batteries ideal for marine use. Supports safe navigation with long life and a safety-focused design.

The "BT500-4S1P" is a high-performance lithium battery suitable for power supply at sea. With LFP cells and BMS, it provides multiple protections against overcharging, over-discharging, and short circuits, making it safe to use on vessels. As an alternative to lead-acid batteries, it achieves a weight reduction of over 40% and a lifespan of more than three times, ensuring stable power supply for long-distance navigation, lighting, refrigerators, navigation equipment, and more. *For more details, please refer to the PDF document or feel free to contact us.*

Related Link - https://axon.co.jp/lineup/

basic information

Specifications Type: Lithium-ion battery, Lithium iron phosphate Nominal voltage: 12.8V Nominal capacity: 25Ah Nominal power: 320Wh Voltage range: 11.2 to 14.4V Maximum charging current: 25A Maximum discharge current: 25A / Continuous 60A/10Sec Recommended charging conditions: Charging voltage 14.4V Charging current 2.5A (0.2C) BMU protection features: Overcurrent protection, short circuit protection, overvoltage protection, over-discharge protection, battery temperature protection, cell balance control BMU self-consumption current: Operating: below 30mA, Switch OFF: below 10uA Communication function: RS232C or CAN Total voltage, cell voltage, battery temperature, current, alarms Display function: Battery level indication: 4 LED lights Check with push button (Flashing: ~20%, 1 light on: 20-39%, 4 lights on: 80% or more) Operating temperature: Charging 0 to 45℃ Discharging -20℃ to 45℃ Storage temperature: -20℃ to 45℃ Casing: Material: Color steel plate t=0.5 Refer to the outline drawing. Weight: Approximately 3 kg *For more details, please refer to the PDF document or feel free to contact us.*