Manufacture of high quality ABS plastic equipped with multiple protection features. With a long life good stability anti-overcharge advanced technology high quality and reliable. Fully compatible with the original battery. Indicator: Red - charging green - full power under normal circumstances the battery charging 5-8 hours. Match 12-24V DC interface even small head car charger cable (buy separately) the interface outside diameter of 3.45mm the inner diameter of 1.5mm. Applicable models: OLYMPUS E-400 EVOLT E-410 EVOLT E400 EVOLT E410 4-420 E-410 E-620 E-450 EP-1 EP-2 EPL-1