[Compatibility] : Replacement for Ryobi 40v battery Charger, compatible with Ryobi 40 volt lithium-ion battery: OP4015 OP4026 OP4026A OP4030 OP4040 OP4050 OP4050A OP4060 OP40261 OP40301 OP40401 OP40501 OP40601, etc.
[Charging Protection] : Replacement OP401 Charger built-in smart protection system which can provide multiple charge protection to protect your battery from overheating, over current, overloads, overcharging and short circuit for longer battery life and safe charging.
[LED Indicator] : LED indicator to monitor battery charging status and battery condition at any time. Power on - Solid Red Light, Testing - Flash Red Light, Defective - Flash Red and Green, Charging - Flash Green Light, Ready - Solid Green light.
[Fast Charging] : The built-in stable cooling system can dissipate heat during charging, making charging faster and extending battery life.