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Braille Battery i31D Intensity 12V Group 31 Deep Cycle Lithium Battery
by Braille Battery
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List Price: $2,886.45
Price: $2,749.00 & FREE Shipping. Details
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Technical Details
Brand Braille Battery
Item Weight 27.7 pounds
Product Dimensions 12.9 x 6.8 x 9.1 inches
Item model number i31D
Manufacturer Part Number i31D

Additional Information
ASIN B007P0VNPE
Customer Reviews Be the first to review this product
Shipping Weight 28 pounds (View shipping rates and policies)
Domestic Shipping Item can be shipped within U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available March 27, 2012

Warranty & Support
Warranty, Parts: Parts

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

Hmm..

Specs say this.. HERE

"27.9 pounds in weight
1650 pulse cranking amperes
288 Lithium Amp Hour (LAH)
Left side positive"

Lithium Ahr??? My BS meter is pegged..

From BRAILLEBATTERY Here is their explanation..

"When a battery is in a fully charged state it stores electrical energy. The amount of usable energy in this state to perform a function will vary greatly depending on factors such as load, time, and temperature.


In a lead-acid battery, the amount of the load will greatly affect the battery’s usable capacity, which is based on the Peukert equation. The ability for lead-acid batteries to sustain a load is relative to the specific battery’s capacity. A typical lead-acid battery will experience an extreme voltage drop when a heavy load is placed on the battery. Often, if the load exceeds the battery’s sustainable ability, the battery’s voltage will drop to an unusable level and the battery will fail.


Due to vast improvements in electrical ability found in Braille’s Lithium Battery Technology, the usable capacity of Braille’s lithium batteries are able to sustain over 10.2 volts under load. This is, on average, the same as lead-acid batteries with 3 times the standard capacity rating. This usable power rating, represented by voltage under load, is called a Lithium Amp Hour rating (LAH).
The Lithium Amp Hour rating can be used as a guide to help determine the correct battery when attempting to achieve premium weight and size benefits using Braille Lithium Batteries. For example, if a 30 AH, lead-acid battery is currently being used, it may be upgraded with a 30 LAH rating Braille Lithium Battery, which under equal loads, will deliver similar draw down performance. While the Lithium Amp Hour (LAH) rating is very useful for providing an insight into the advanced performance of Braille’s Lithium Batteries, it is not a replacement measurement for the traditional AH rating, which should be used to determine charging rates, total discharge performance, and long-term storage calculations.

The following graph depicts the way a Braille Lithium Battery will perform relative to its state of charge and load. The graph also illustrates the battery’s ability to deliver critical starting, lighting, or ignition (SLI) performance even while not fully charged. It is clear the advantages of Braille’s Lithium Battery technology over traditional lead-acid batteries and the use of LAH helps to determine the perfect lithium battery for specific needs. "

I suspect that LAH is a term that Braillebattery has created as a buzzword and actual REAL Ahr rating is less than what they are stating.. Especially when they are not using any real standard battery capacity testing specs like 5 hr rate or 20 hr rate..