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BOS LE300 lithium extension battery, block of 2

BOSSKU: 1971301

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Sale price€699,00 EUR

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Shipping in 1-3 working days, probably available again from week 19

Description

Shipping as dangerous goods for EUR 19 within Germany. For international shipping, please send us an inquiry at mail@frenchman-energy.eu.

THE LE300 SMART BATTERY SYSTEM IS A LITHIUM UPGRADE TO INCREASE THE CAPACITY AND PERFORMANCE OF THE LEAD BATTERY, AS WELL AS TO IMPROVE THE EFFICIENCY AND LIFE OF THE OVERALL SYSTEM.

The lithium backup battery handles most charging cycles while the lead acid battery works as cheap backup storage. The lead battery is charged with a higher priority, with the lithium battery taking over the excess energy. When discharging, the lithium battery is primarily discharged. This means that the service life of the lead battery is significantly extended. The LE300 detects the lead-acid battery voltage and automatically starts supporting the lead-acid battery with a maximum current of 12.5A. Larger loads are supplied by the lead acid battery and the lithium battery in parallel, which means that less current is drawn from both batteries.

All advantages at a glance

  • Plug & Play > Simply connect two cables
  • Flexible capacity adjustment by simply plugging individual modules together.
  • Use of existing lead charge controllers possible.
  • Performance optimization of the battery system through priority charging of the lead battery and preferential discharge of the lithium battery
  • The performance of the lithium battery and the cost advantage of the lead battery are combined.
  • Slim and lightweight design with variable mounting options.
  • Integrated heating system.

4 different versions available:
Lithium battery LE300 single module
Lithium battery LE300 block of 2
Lithium battery LE300 block of 4

Lithium battery LE300 block of 6


Technical specifications

system voltage 12VDC
nominal voltage 12.8VDC
system voltage range 11-15Vdc
Number of batteries used in the LE300 IFpR/26/65 [8p/4s] E/-20NA/95 LiFePO4 rechargeable batteries
Nominal lithium capacity 25.6Ah/328Wh
Usable lithium capacity 90% (23Ah/295Wh)
Number of cycles at room temperature >2000 full cycles
Recommended lead capacity per LE300 (not included) 70-125Ah @ 12VDC
Recommended lithium/lead capacity ratio (net) 1/3 in solar home systems. Values ​​vary depending on the required autonomy and application.
Continuous charging and discharging current Max 12.5A between 5~40℃, high and low temperature current is limited.
battery efficiency >90%
connections RAST 5/mini Module 4 pin/ communication interface/ external display
Recommended cable diameters 1.5 - 4 mm²
Operating temperature (operation & storage) -20 – 50 °C operating temperature with maximum battery life at 15 -
25°C. Storage temperature 10 – 30 °C.
Over and under temperature protection, heating, charging & discharging The temperature sensor prevents the lithium battery from charging below -5°C or above 55°C cell temperature. Charging starts as soon as the cell temp. is higher than -5 °C. The device has an integrated heating system that is activated between - 20 °C and 10 °C cell temperature. Discharge is possible between -10 °C and 60 °C cell temperature. For longer battery life, the system runs in pure lead mode at a cell temperature below -10 °C.
Battery management BMS Battery management including balancer
protective functions Over current, over voltage, short circuit, over discharge, reverse polarity protection.
Operating Mode/Compatible External Batteries Any 12V lead acid battery and lead charge controller
Max. parallel connections of LE300s According to the standard, a maximum of 24 LE300s can be connected in parallel. Parallel switching >24 hours is possible after consultation with the BOS dealer.
Certification & Additional Tests CE, E1, UN38.3
Shaking distance test, vibration test, mechanical shock test, temperature change endurance test


Note: When connecting in series, always pay attention to the maximum permissible system voltage.

Selection of the different variants:
Lithium battery LE300 single module: 12V; 25.6 Ah / 328 Wh, 3.4 kg - Item No. 1971300
Lithium battery LE300 block of 2: 12V; 51.2 Ah / 656 Wh, 6.9 kg - Item No. 1971301
Lithium battery LE300 block of 4: 12V; 102.4 Ah / 1.31 kWh, 13.7 kg - Item No. 1971302

Lithium battery LE300 block of 6: 12V; 153.6 Ah / 1.97 kWh, 20.5 kg - Item No. 1971303

GPSR Information

Hersteller
Name: BOS Balance of Storage Systems AG
Anschrift: Industrial Street 12
PLZ, Ort: 89081, Ulm
Land: Germany
Email: contact@bos-ag.com

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