Thursday, April 30, 2015

Circuit Diagram Charge Monitor for 12V Lead Acid Battery using LM3914 IC

RealAutoTips. - Here is Circuit Diagram Charge Monitor for 12V Lead Acid Battery using LM3914 IC like in figure 1 below. A battery is a vital element of any battery-backed system. In many cases the battery is more expensive than the system it is backing up. Hence we need to adopt all practical measures to conserve battery life.

Circuit Diagram

Figure 1. Circuit Diagram Charge Monitor for 12V Lead Acid Battery using LM3914 IC
(Source: electronic-circuits-diagrams)

Description

Circuit diagram like in figure 1 is Circuit Diagram Charge Monitor for 12V Lead Acid Battery using LM3914 IC. As per manufacturer’s data sheets, a 12V rechargeable lead-acid battery should be operated within 10. IV and 13.8V. When the battery charges higher than 13.8V it is said to be overcharged, and when it discharges below 10.IV it can be deeply discharged. A single event of overcharge or deep discharge can bring down the charge-holding capacity of a battery by 15 to 20 per cent.

It is therefore necessary for all concerned to monitor the charge level of their batteries continuously. But, in practice, many of the battery users are unable to do so because of non-avail?ability of reasonably-priced monitoring equipment. The circuit idea presented here will fill this void by providing a circuit for monitoring the charge level of lead-acid batteries continuously. The circuit possesses two vital features:

Read more please this article from the original article using link below.

Link Source:

  • http://www.electronic-circuits-diagrams.com/charge-monitor-circuit-for-12v-lead-acid-battery/


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