Octopus Ready Multi Power Tool Battery Charger Compatible with Any Brands 18V/20V/21V Li-ion Batteries, Simultaneously Charging 4 Batteries at Once, Chargers for Cordless Power Tool Batteries

[Universal Compatibility] Charge up to 4 batteries regardless of their brands, and free yourself from preparing separate chargers for each one. This is the one replacement power tool charger suitable for multiple power tool brands users
[Product Specifications] Input: 100~240V; Output: 21V | Compatible with 18V to 21V lithium-ion batteries ONLY | Charging capacity: 3,000mAh total; It usually takes 4-5 hours to fully charge all four 3.0Ah batteries(Charging time may vary depending on the number or capacities of the batteries)
[Product Details] The LED indicator turns solid green when all batteries are fully charged. Each charging cable has an adjustable clamp, making it stable to fit different batteries. If a battery has opposite +/− polarity, connect it upside down
[Built-in Safety Features] The replaceable fuse inside the cable prevents short-circuiting and protects the charger and the batteries as well. It also has over-voltage protection and over-charge protection, so you can charge the batteries without worries
[Our Support] Our power tool battery charger is designed for Li-ion batteries for universal brands(not a single brand only). Do not hesitate to contact us with any inquiries or concerns!(Batteries are not included in the package)

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