This replacement wall charger from BW Technologies by Honeywell works with GasAlertMicroClip XT, MicroClip XL, MicroClip X3 and GasAlert Max XT II, and GasAlertQuattro devices. North American Version. Replacement wall charger Works with GasAlertMicroClip Series, GasAlertMax XT II, and GasAlertQuattro devices North American Version.