When you reply to a question, direct your answer to both the questioner and other members of the audience. Try to keep your responses as focused as possible. This will help keep them brief and preserve space for other questions.
Four Pack Dog Fence Batteries for Invisible Fence R21 or R51 Receiver Collars. eBay determines this price through a machine learned model of the product's sale prices within the last 90 days. eBay determines trending price through a machine learned model of the productâs sale prices within the last 90 days.
â Frequently Asked Pet Fence Questions. The flashing red light is an indicator that your battery is low on voltage and needs to be replaced within a few days. If you have the ecolite rechargeable receiver collar the red blinking light indicates the receiver needs to be recharged.Please log in to rate this.he flashing red light is an indicator that your battery is low on voltage and needs to be replaced within a few days.