Lasica is production and sales in one of the manufacturers, professional production sales of power tool batteries and battery charger. Belief that only profession, creativity and effort can build a brand. Lasica tool battery charger is heavy-duty charging power in the least amount of time, giving tool users unparalleled charging efficiency so their batteries spend more time working and less time sitting on the charger. After years of development, Lasica batteries perform much better than ordinary brands due to higher capacity and longer lifetime, so as to provide customers with better shopping experiences than ever. About this item With short circuit protection and steady voltage circuit. Shell designed according original batteries size, 100% compatible with original. Products are made of high quality battery cells, the same as OEM batteries. Lasica 40V Lithium-Ion 2-in-1 battery/USB charger replacement for Ryobi 40v original charger OP403 OP404 40-volt is designed to charges 40 volt max lithium batteries in under 2-4 hours. Replacement for RYOBI 40-Volt Lithium-Ion Battery Charger OP403A, OP404A, OP400, OP401, OP400A, OP406A, and ZROP401 Compatible with all RYOBI 40-Volt lithium-ion battery OP40601, OP4026A, OP40401, OP4030, OP4050, OP4050A, OP4015, OP40261, OP40201, OP40301, OP4026, OP4040, OP40501, OP40602, OP4060A, OP4050A,, OP4075A, OP4040A, OP4020A, ZROP4026, OP40200, etc Compatible with Compatible with Ryobi 40V Tools RY40550, RY40560, RY40502B, RY40503BTL, RY40540, RY40530, RY40561, RY40511, RY40630, RY40620, RY40470VNM, RY40460, RY40450, RY40440, RY40770, RY40850-2B, RY40860, RY40850, RY401100-Y, RY401130, RY401110-Y, RY401120-Y, RY40LM10-Y, RY40LM30, RY40140, RY40270VNM, RY40226, RY40250, RY40230, RY40240, RY40210B, RY40PW01DG9, RYi300BG. What's in the Box: 1-Pack * 40V Battery Charger OP403A with USB 1-Pack * Lasica OP4050A 40V 6000mAh Lithium