How I check, test, and charge my AA and AAA batteries - and sift out defective ones
Briefly

How I check, test, and charge my AA and AAA batteries - and sift out defective ones
"The Ostation 2 Pro is quite hefty as chargers go, and it has quite a desk presence. It features a modern, all-plastic construction that's both tough and stylish."
"On the front is a 2.8-inch touchscreen for real-time monitoring of battery cycles, health, and status, which really adds to the high-tech, geeky feel of the unit."
"The Ostation 2 Pro can handle any brand of AA and AAA Ni-MH batteries, as well as Olight's own Ostation 1.5V AA rechargeable Li-ion batteries."
"It won't charge random Li-ion batteries because the charger uses a secure handshake protocol to communicate with Ostation batteries for maximum Li-ion charging safety."
The Olight Ostation 2 Pro is a robust AA/AAA battery charger known for its quality and performance. It features a modern design with a 2.8-inch touchscreen for monitoring battery status. The charger supports various brands of Ni-MH batteries and Olight's own Li-ion batteries. It utilizes a 12V/1.5A PD 3.0 USB-C input for efficient charging. An accompanying app provides additional insights into battery health and cycles, enhancing user experience and convenience.
Read at ZDNET
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