Long WP2.9-12T · 2.9Ah 12V · backup battery for UPS, alarm panels and telecom racks

In short: In a nutshell: Long WP2.9-12T, a battery for UPS and standby systems, rated 2.9Ah 12V. Matching technology keeps the charging system happy.

Using it day to day: practical tips

An alarm panel beeping at three in the morning usually means its battery is low. Note the fitting date on the case. A UPS that shuts down seconds after a cut needs new batteries.

Long WP2.9-12T: dimensions and ratings

About the technology: AGM

Tightly packed plates and mats give glass-mat batteries a sturdy inner structure. Backup systems rely on AGM because it can wait, fully charged, for years without fuss. A full charge now and then helps an AGM battery that mostly works part-charged.

Alternatives that fit the same space

Looking to compare? Each of these has the dimensions and polarity of the Long WP2.9-12T.

Kronobat ES2.9-12Long WP2.9-12TR

Questions and answers

Is the Long WP2.9-12T right for you?

Electricians often order the Long WP2.9-12T during routine maintenance visits. Ratings of 2.9Ah 12V should match the block you are replacing. Comparing terminal types on screen avoids a wasted order.

2.9Ah makes it a smaller battery, good for light electrical loads.

Related products and ranges

Ordering the Long WP2.9-12T online at baterias.online is simple once the code checks out. Note the fitting date somewhere you will find it again.

• Browse the full range for UPS and standby systems
• More from Long

Before you order: a quick checklist

• ✓ 2.9Ah sets how long the battery can power things with the engine off.
• ✓ Set your charger to AGM before the first charge.
• ✓ A case of 79 × 56 × 107 mm must sit flat with the clamp closed.