Residential Battries ESS CFE-512S 12.8V 40Ah 512Wh

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l Volumetric Energy Density increased by 23.5%

l LED power display screen and switch buttons

l Rugged stainless steel body ensures 5 years warranty

l High protection level IP65

l Support 1C charge / discharge and excellent heat dissipation design

l Quick connection and insulation protection

l Stainless steel handles guarantees 3000 fatigue tests

l Supports four external connections in series with voltage

Product Spec
Name	CFE-512S
Model	12.8V40Ah
Nominal Voltage	12.8V
Nominal Capacity @1C	40Ah
Charge Voltage	14.8V
Charge Current Max Continuous	20A
Discharge Current Max Continuous	40A
Discharge Voltage Minimum	10.8V
Pulse Current 5 Sec	60A
Weight	5.9kg±0.5kg
Dimensions LWH（mm）	180140210

Residential Battries ESS CFE-512S 12.8V 40Ah 512Wh

Q: What are the technical parameters of the battery?: Usually the capacity of the power supply is expressed by kV · A or kW. However, as a power supply VRLA battery, the use of security (A · h) that its capacity is more accurate.

Q: How to determine the battery is good or bad?: Instrument test: the general use of battery discharge tester, the test instrument two positive and negative clamp were holding the battery positive and negative electrodes, press the test button to observe the test instrument instructions.

Q: What are the hazards of battery over discharge?: When the battery discharge current is large, the heat will become more obvious, there will be serious heat generated when the battery deformation, when the concentration of lead sulfate is particularly large, will form a larger crystal particles, that lead to the battery Internal irreversible sulfation.

Q: What are the advantages of maintenance-free batteries?: Maintenance-free battery using lead-calcium alloy grille, the amount of water generated when charging less water evaporation is low, with the shell with a sealed structure, the release of sulfuric acid gas is also very little, so with the above advantages.

Q: 80ah how much battery storage capacity?: The size of the battery storage power refers to the battery capacity. Battery capacity is generally calculated in AH (safety). You 80Ah battery capacity is 80Ah, meaning that if you discharge current to 80A, you can put an hour.

Q: The role of the battery?: Battery is widely used, can be used for ups, electric cars, scooters, cars, wind energy solar systems, security, and so on.

Q: How does the battery increase the voltage?: Chemical energy can be converted into electrical energy device called chemical battery, generally referred to as the battery. After discharge, the internal active material can be regenerated by charging - the electrical energy stored as chemical energy; chemical energy can be converted to electrical energy again when the discharge is required. This type of battery is called a battery (Storage Battery), also known as secondary battery.

Q: What is a maintenanceable battery?: Maintenance-free battery due to its own structure on the advantages of electrolyte consumption is very small, in the life of the basic need not add distilled water.

Q: Battery 200ah / 104 what does that mean?: This should be refers to 2V200AH battery 104, power with the 220V. Lead-acid battery nominal voltage is 2V / (each or monomer), but in fact will be higher than 2V, so the actual use and charging equipment for the matching will use 104, also useful 103, also useful 108 Only.

Q: Lead-acid battery how to maintain?: After passing the test, cover the exhaust cutting, pay attention to restore the filler, cover the battery cover, if the cover is glued, then glue bonding.

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