Tekonsha Shur Set III Breakaway Rechargeable Battery 12 Volt. Tekonsha designed these Auto Parts & Accessories with a sensitive electronic control module that powers the Breakaway system in case of an emergency but if the vehicle is not towed the battery will gradually discharge limiting battery capacity. To recharge your Tekonsha 2023 Shur/Set III Breakaway Rechargeable Battery simply set it in a safe location to receive a battery boost. We recommend keeping this sealed lead acid battery in a cool well-ventilated area where it will properly charge. Otherwise periodic recharging is required to maintain optimum performance. Be sure to periodically recharge your battery to ensure a reliable connection in emergency situations. Otherwise you can replace the battery yourself with a Tekonsha 2023 Shur/Set III Breakaway Rechargeable Battery. Package Contents: Tekonsha 2023 Shur Set III Breakaway Rechargeable Battery 12 Volt Tekonsha 2023: Shur Set III Breakaway Rechargeable Battery 12 Volt