Chamberlain CHSL400EVC battery replacement for gate opener

Chamberlain CHSL400EVC battery replacement for gate opener.
Chamberlain CHSL400EVC compatible battery pack replacement, high-quality 12v rechargeable batteries for swing and sliding gate opener from a UK warehouse.

This pair is especially useful when the original batteries start showing their age; you might notice slower door travel, hesitation during lifts, or reduced performance during power interruptions. Fresh cells can restore snappy response and dependable backup support. It’s also the sort of swap that pays off during scheduled maintenance, when you want all parts of your system to feel fresh and predictable.

• Chamberlain CHSL400EVC battery replacement

To extend service life, keep the installation area dry and as cool as practical, and avoid leaving the opener unused for long stretches; occasional cycling helps maintain healthy charge acceptance. Check that the terminals are tight and free from corrosion, and this replacement set will stay reliable through many open and close cycles.

Once your current batteries (and these batteries in years to come) have reached the end of their usable life, please take them to your local recycling centre, where their high lead content means they can be turned into something useful again.

Voltage: 12v x 2
Chemistry type: AGM, VRLA, Pb.
Capacity: 2.2ah.
Terminals: 4.75mm

The physical size of each battery in this pack of two for the Liftmaster 490EV is as follows:
Length = 70mm or 2.76 inches
Width = 47mm or 1.85 inches
Height = 97mm or 3.86 inches.