Discover DLB series installation

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Introduction 2

Operation for Lithium Batteries Installed in Series 2

Charging 2

Example of Lithium Batteries Installed in Series 3

Example of Lithium Batteries Installed in Parallel 3

Summary 4

APPLICATION NOTE

Operation of LITHIUM BLUE

Batteries Installed in Series

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Summary of content (4 pages)

PAGE 1
APPLICATION NOTE Operation of LITHIUM BLUE Batteries Installed in Series Introduction 2 Operation for Lithium Batteries Installed in Series 2 Charging 2 Example of Lithium Batteries Installed in Series 3 Example of Lithium Batteries Installed in Parallel 3 Summary 4 885-0033 REV A #4 -13511 Crestwood Place, Richmond, BC, V6V 2E9, Canada + 1.778.776.3288 info@discoverbattery.com discoverbattery.
PAGE 2
INTRODUCTION The installation of batteries in series is standard with lead-acid batteries to raise system voltage. Lead-acid batteries are nominally available in 2V, 6V, 8V, and 12-Volt mono-blocks therefore, installing in series is necessary to achieve a higher system voltage such as 24V, 36V, 48-Volt. Lithium battery mono-blocks are commonly available in 12V, 24V, 36V, and 48-Volt models, and therefore, installation in series is used only for exceptional circumstances.
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EXAMPLE OF LITHIUM BATTERIES INSTALLED IN SERIES Series Installation • One 36-Volt load (Electric Trolling Motor) • Lithium battery charger with three independent 12-Volt channels • Three 12.8-Volt 100 Ah 1.28 kWh lithium batteries in series delivering 38.4-Volt 100 Ah (3.84 kWh). 12 VOLT 12 VOLT 12 VOLT 36 VOLT TROLLING MOTOR CHARGER 36-VOLT (3 x 12V) Figure 1. 36-Volt system with a multi-channel charger and three 12-Volt batteries in series.
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SUMMARY Series installations require each lithium battery to remain perfectly balanced by sharing the discharge burden equally and receiving a full charge independently. If one battery becomes stronger or weaker than the others, the battery system will become unbalanced, and one battery will open its relay before the others, removing the path for the system current to flow.