TowBrite Heavy Duty Battery upgrade kit for TowMate and TowBrite tow lights

Upgrade your heavy-duty TowMate or TowBrite tow light with a TowBrite lithium battery and matching charge controller. What is included One TowBrite 6700 mAh rectangle lithium battery in a permanently sealed case (TBR126H). One TowBrite 12.6 V, 2 A DC charge controller with wiring (TBR12478). The charge controller uses your truck's DC power supply to charge the lithium battery at 12.6 V. Install the included charge controller as part of the battery upgrade.