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Magnavox 243-677U Camcorder Battery

$25.00 $18.75
(You save $6.25)
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Product Description

Magnavox 243-677U Video Camera Camcorder Battery


The replacement battery supplied by Sigma Batteries for Magnavox 243-677U Video camera/Camcorder is a 12V 2.0Ah battery, from Sigma Power Systems.  The part no for each battery is SG1220A, with P terminals. P terminal is a pressure terminals.  These rechargeable batteries are guaranteed to meet or exceed OEM specifications. 

The battery supplied by OEM is 12V 2.0Ah battery.  The capacity battery supplied here consists of  one 12V 2.0Ah. We assure 100% compatibility with original batteries supplier with Magnavox 243-677U model and you get best price and with highest quality.  Each battery in this high capacity replacement battery for Magnavox 243-677U has the following features.

 

Model Voltage (V) Capacity (Ah) Length (inch) Width (inch) Height (inch) Weight (Lbs) Terminals Qty
SG1220A 12 2.0 5.67 0.94 2.56 2.0 P 1

 

  • Absorbent Glass Mat (AGM) Technology
  • Maintenance-Free Design with Spill Proof Construction
  • U.L. Recognized and CE Certified
  • Brand New, Factory Fresh
  • 1 Year Warranty
  • We only supply the batteries on hardware. USE THE EXISTING WIRING HARDWARE TO CONNECT THEM.


Chemistry of  Magnavox 243-677U Video Camera/Camcorder Battery

This is a SLA (Sealed Lead Acid) battery with rechargeable capability. Positive plate of Magnavox 243-677U medical battery high capacity battery is made up of lead di-oxide while that of negative plate is made up of lead. Positive and negative plates of the battery are separated by a glass mat.  The electrolyte for this SLA battery is sulfuric acid, with the specific gravity of 1.300.  The electrolyte is absorbed in the separator, glass mat.  Hence it is called “AGM” for this battery technology. 

Construction of 12V 2.0Ah Video Camera Battery

Each battery in Magnavox 243-677U consists of three 2V cells. These six cells are connected in series internally to give 12V.  The case material is ABS plastic.  This battery has a nominal capacity of  2.0Ah at 20 hour rate. This means if you discharge the battery from a fully charged state at a current of 0.1 Amp (20 x 0.1 = 2.0) it will take 20 hours to reach the end of discharge voltage of 10.5 V.

Sigma BatteriesMagnavox 243-677U Cacorder battery

The equivalent battery supplied by Sigma Batteries for Magnavox 243-677U Camcorder battery is SG1220A from Sigma Power Systems. 

Generally SLA battery design life is about five years at 25 C or 77F.  When the temperature of operation is high then the battery life will be reduced.   Also number of times the battery is charged and discharged will have an impact on the life of the battery also.

Life improving Tips for Magnavox 243-677U  battery:

Correct charge voltage is critical for the life of the battery.  Higher than recommended charge voltage can reduce the life of the battery depending on the charging time.  Charging at lower voltage will result in lower capacity and also reduce the life.  Recommended charge voltages are printed on the battery for both cyclic and standby applications.

The capacity of SLA battery will increase with temperature and will have reduced capacity at lower temperatures.  SLA batteries get discharged slowly when not connected to power source, called self-discharge.  Leaving the battery without charge over a long period of time can reduce the open circuit voltage of the battery may damage the battery permanently. Also leaving the battery under discharged conditions for a long period of time will damage the battery permanently.  

Higher temperatures will cause higher rate of grid corrosion and hence reduction in battery life.

Cycle life of the 12V 2.0Ah SLA battery is about 200 when discharged to 100%.  Shallow discharge conditions will increase the cycle life.

Discharging the SLA batteries below 10.5V at slow discharge can also damage the batteries.  This is called over-discharge Usually there will be a low voltage disconnect installed in the systems to stop the battery discharge below certain voltage depending upon the system design.  If you are using the batteries without voltage disconnect make sure the discharge is stopped at or above 10.5V per battery. Over discharged batteries are not covered under warranty.



 

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