Archives: FAQ
What do VRLA, AGM, SLA and MF stand for?
“VRLA” stands for Valve Regulated Lead Acid, “AGM” stands for Absorbed Glass Mat, “SLA” stands for Sealed Lead Acid and “MF” stands for maintenance-free (Maintenance-Free). All four…
What are AGM and gel batteries?
AGM (which stands for Absorbed Glass Mat) and gel batteries are examples of VRLA batteries (which stands for Valve Regulated Lead-Acid). They are also called SLA batteries…
What do the environmental symbols on battery packaging mean?
The official recycling symbol is the circle with 3 round arrows. Batteries that still contain heavy metals are covered by European Directive 157 and must be marked…
How do I charge my AGM battery?
Charging a battery correctly makes all the difference. Yet the impact of charging correctly is often underestimated. In this, choosing the right charger is half the battle.…
What is Ampere-hour (Ah) and milliampere-hour (mAh)?
A commonly used term in the battery industry is Ah and mAh, below is a description of what these terms mean. What is ampere-hour (Ah)? An ampere…
What is the charging current of an AGM battery?
To maintain the correct charging current for an AGM battery, we have made one rule of thumb. The minimum charging current for an AGM battery is 10-25%…
What are the definitions of “deep-cycle” and “standby” applications?
Batteries for deep-cycle applications With the “deep-cycle” application, the battery is used as a direct energy source: these batteries are often used intensively. In fact, they are…
What is a series connection?
A series circuit is used to increase the total potential of a battery system (also called voltage or voltage). In a series connection, however, the capacity remains…
RedTop, YellowTop and BlueTop batteries
What is the difference between a RedTop, YellowTop and BlueTop battery? Intercel Europe will help you select the right Optima battery for all your applications. RedTop battery…