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2. Battery charger - Wikipedia

   en.wikipedia.org/wiki/Battery_charger

   A battery charger, recharger, or simply charger, [1] [2] is a device that stores energy in an electric battery by running current through it. The charging protocol—how much voltage and current, for how long and what to do when charging is complete—depends on the size and type of the battery being charged.

3. Lithium-ion battery - Wikipedia

   en.wikipedia.org/wiki/Lithium-ion_battery

   A lithium-ion or Li-ion battery is a type of rechargeable battery that uses the reversible intercalation of Li + ions into electronically conducting solids to store energy. In comparison with other commercial rechargeable batteries, Li-ion batteries are characterized by higher specific energy, higher energy density, higher energy efficiency, a longer cycle life, and a longer calendar life.

4. 48-volt electrical system - Wikipedia

   en.wikipedia.org/wiki/48-volt_electrical_system

   A 48 V system can provide more power, improve energy recuperation, [7] and allow up to an 85% decrease in cable mass. [10]12-volt systems can provide only 3.5 kilowatts, while a 48 V power could achieve 15 to 20 kW or even 50 kW. 48 volts is below the level that is considered safe in dry conditions without special protective measures. [11]

5. Score tools for 61% off during Presidents' Day: DeWalt ...

   www.aol.com/lifestyle/score-tools-for-61-off...

   It comes with a battery charger, a 2.0 Ah battery, and a 4.0 Ah battery. Each can be used across Ryobi tools, and you'll probably accumulate far more than just two batteries over the years. $79 at ...

6. Dig yourself out of whatever winter throws your way with this ...

   www.aol.com/lifestyle/dig-yourself-out-of...

   That's why we're eager to have spotted a deal at Walmart that'll help you level up your winter preparedness in these final few weeks. Namely, a deal for $40 off an electric snow shovel that seems ...

7. Fire in truck carrying lithium ion batteries leads to 3-hour ...

   www.aol.com/news/fire-truck-carrying-lithium-ion...

   Authorities evacuated an area of Ohio's capital, Columbus, for several hours on Thursday out of fear that a fire in truck's trailer could have caused lithium ion batteries to explode. Police began ...