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A valve regulated lead-acid (VRLA) battery, commonly known as a sealed lead-acid (SLA) battery, [1] is a type of lead-acid battery characterized by a limited amount of electrolyte ("starved" electrolyte) absorbed in a plate separator or formed into a gel; proportioning of the negative and positive plates so that oxygen recombination is ...
- Lead-acid battery
In the 1970s, the valve-regulated lead-acid battery (VRLA,...
- Sealed lead acid battery
A sealed lead acid battery or gel cell is a lead acid...
- Deep-cycle battery
Deep-cycle lead-acid batteries generally fall into two...
- Lead-acid battery
In the 1970s, the valve-regulated lead-acid battery (VRLA, or "sealed") was developed, including modern absorbed glass mat (AGM) types, allowing operation in any position.
A sealed lead acid battery or gel cell is a lead acid battery that has the sulfuric acid electrolyte coagulated (thickened) so it cannot spill out. They are partially sealed, but have vents in case gases are accidentally released for example by overcharging.
Ein VRLA-Akkumulator (engl. valve-regulated lead-acid battery „ventilgeregelte Blei-Säure-Batterie“) ist ein Bleiakkumulator in einer verschlossenen Bauform. Der Akkumulator enthält ein Überdruckventil .
Deep-cycle lead-acid batteries generally fall into two distinct categories; flooded (FLA) and valve-regulated lead-acid (VRLA), with the VRLA type further subdivided into two types, Absorbent Glass Mat (AGM) and Gel.
A dry cell is a type of electric battery, commonly used for portable electrical devices. Unlike wet cell batteries, which have a liquid electrolyte, dry cells use an electrolyte in the form of a paste, and are thus less susceptible to leakage.
Sealed Lead Acid (SLA) and Valve Regulated Lead Acid (VRLA batteries) are two different abbreviations for the same cell. Absorbed Glass Mat (AGM) is a form of SLA/VRLA in which the electrolytes are soaked into dividers across plates made out of sponge-like thin glass fibre matting.
