If you are already running the battery at the edge of it's limits (pulse), there is no margin of safety.Īnyone who is sub-ohming below 0.2 ohms are operating on the pulse rating, and are operating over spec for any 18650 battery currently on the market. If your amp draw is safely in the continuous discharge range, your coil could act almost like a fuse and burn out before the battery is stressed. If your setup relies on a pulse rating, it's instantly over spec. Any failure, mechanical or electronic, that fires the mod will operate in the 'continuous' mode. Which would be why we shouldn't rely on any pulse rating. It is inappropriate for a consumer device to operate in the pulse range of its battery. It is exceeding the sustainable and intended discharge rate of the battery. For example, if your battery is labeled 3000mAh at the one-hour. The pulse rating is a condition in which the battery is on basically a buildup to failure. Smaller batteries are commonly rated at the 1C rating, which is also known as the one-hour rate. ![]() You should not operate your device above the continuous rating if you can help it. It is never safe and not within the intended operating parameters of the battery. Every manufacturer or vendor seems to have their own definition of what the pulse rating is to them.Ī pulse discharge rating is any use above the continuous discharge rating. The "pulse or burst" discharge rating is not a specification standard within the battery industry. It is a determination made by the manufacturer and represents the amp limit a battery can be safely used before it will fail. This is the same test as the cold cranking amps test, except it is performed at 32☏ (0☌). ![]() The "continuous discharge rating" in amps is the standard specification for amp limits within the battery industry. Many batteries typically also come with a cranking amps (CA) rating (also sometimes referred to as Marine Cranking Amps or MCA). Continuous Discharge Ratings vs Pulse (Burst) Discharge Ratings
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