Feature:
【Dual port design】- Dual ports are able to charge 2 batteries at the same time, Help you faster complete projects.
【LED Indicator】- Diagnosticer with LED indicator continuously communicates battery charge status: charged, charging, battery too hot or too cold . 
【Protection System】- Built in multiple protection systems, automatic disconnect when overcharging, over-discharging, over-current and over-heat, also provides short circuit protection and steady voltage output to protect your battery.
【Fireproof Materials】-Made with quality fire and heat resistance materials to promise safe use. Integrated cooling system protects the electronic components inside and extend charger’s life.

Specifications:
Product Type: Replacement Charger
Input: 100V-240V 50/60Hz 72W
Output: 40V 4.0A (2.0A Single port, 4.0A Total)
Operating Temperature: 32℉~104℉
Fit for RYOBI Battery Part Number:(Please use the “Ctrl+F” to search your model)
OP4015 OP4026 OP4026A OP40201 OP40261 OP4030 OP40301 OP4040 OP40401 OP4050 OP40501 OP4050A OP4060 OP40601 OP4060A

Replace for Ryobi Charger Model:
OP400 OP401 OP403 OP403A ZROP401 140199003
ryobi 40v battery charger
LED Indicator Instructions:
Power On: Solid Red Light
Charging: Flashing Green Light
Charging Completed: Solid Green Light
Too Hot Battery: Flashing Red Light
Defective Battery Detected : Flashing Red and Green Light

Package Included
1 X Ryobi 40V Dual Li-ion Charger ( Battery NOT Included )

Tips:
If you couldn't charge your Ryobi 40v battery, please check the connection and make sure you insert the battery well.
How to know you insert the battery well?
If you could get the battery out without pressing its release button, that means you did't insert it well and it will not charge, you need to push a little harder.