One important change is a new laptop battery indicator that visualizes the charge level with new symbols. This change was actually supposed to be implemented last month, but the release was ...

The Spark 2 from Positive Grid looks like a miniature old-school amp ... It has a guitar input jack and a headphone jack. It can use a power supply or a battery. It can connect to a computer ...

This superb offer sees the two-time What Hi-Fi? Award-winning Marantz PM7000N with £200 off at Amazon. We originally tested the amp at £999, but the price has hovered around the £799 mark in recent ...

Korean researchers have developed advanced Ni-rich cathodes that improve all-solid-state battery performance, offering longer lifespans and greater energy efficiency.

This battery has very low capacity at lower drains but actually performs pretty well overall and tops the tests we reviewed for a 3-amp drain. Unfortunately, none of the other Fujitsu batteries ...

With the funnel, pour the water and salt solution into each cell. With the cell caps still open, connect the battery to a charger and set it to charge for 12V at 2 amps for 24 to 36 hours. This ...

The latest Bluetooth speakers are more capable than ever, delivering clear sound, deep bass, and outstanding battery life in a portable design. We got our hands on several models ...

Street performers or musicians have a lot to look forward to with this portable speaker, but audiophiles or those looking for a rugged speaker might be disappointed.

Abasi says Fishman is designing the pickup for what promises to be a groundbreaking acoustic electric. In other Abasi Concepts news, fresh Legion Series models in Deep Sage drop today ...

Best guitar amps 2025: Our pick of combos, heads and pedalboard amps for all budgets and abilities Our expert pick of the best guitar amps for rock, metal, blues and more – including tube, solid-state ...