So not only will the MH-CD42 charge your lithium-ion cells when given a nominal USB input voltage (4.5 – 5 VDC), it will also provide essential protections for the battery.

News Portable phone charger sold on Amazon recalled over lithium-ion battery fire and burn concerns Published: Apr. 17, 2025, 4:21 p.m.

The compact battery has an integrated USB MICRO-B socket which allows you to replenish energy using a USB cable connected to a computer, smartphone travel charger or USB power bank. Once the USB cable ...

News Magnetic portable phone charger sold on Amazon recalled over lithium-ion battery fire and burn concerns Published: Jun. 03, 2025, 4:04 p.m.