Replacing and storing TV remote batteries: a practical checklist
Share
When replacing removable batteries in a TV remote, replace the set together and follow the remote's specified battery type and polarity. When putting a spare handset away for an extended period, remove its batteries. These small habits make the remote drawer easier to manage without treating every battery-powered device the same.
Replace a set, not just the weakest-looking battery
Energizer's battery-care guidance recommends replacing all batteries together with new ones of the same size and type. It advises against mixing old and new batteries or different types or brands. Do not combine an unknown loose battery from a drawer with a fresh one just because both fit.
Keep new batteries separate from used ones. A small container labeled “used—ready for disposal” prevents a partly used cell from finding its way back into a remote during the next hurried change. Follow local disposal instructions for the battery type.
Read the compartment and the manual
Check the required size and the positive and negative markings before inserting the set. A replacement remote may have different requirements from the handset that came with the TV.

For example, DigiDevice's Anderic RRU401.7 listing specifies two AAA batteries, not included. The Anderic guide describes a screw-secured cover and matching the battery polarities. Do not force a cover that has not been released correctly.
This advice concerns user-replaceable batteries. It is not an instruction to open a sealed rechargeable remote or replace its internal battery.
Put a spare remote away with a useful note
Energizer recommends removing batteries from devices that will not be used for an extended period and storing batteries in a cool, dry place at normal room temperature. Refrigeration is unnecessary. Do not leave loose batteries among metal objects, and do not attempt to recharge cells unless they are marked rechargeable.
Before storing a programmed remote, record its device assignments, successful codes and any custom buttons. Check its own manual for whether settings survive battery removal; do not assume they will. Put the note with the handset, rather than relying on someone to remember how it was configured.
A quick check when the spare comes back out
Inspect the compartment before installing a fresh set. If you find leakage or damage, stop and seek the battery and device manufacturers' instructions rather than treating it as an ordinary replacement. Once ready, test the remote on the intended equipment and update the setup note if anything has changed.
The aim is simple: a spare remote should come with enough information to be useful when you need it.
By DigiDevice Editorial
Related guide
Read our guide to model-specific remote cleaning guidance.