The batteries you show use Li-ion cells internally and include a step-down and a USB 5V to Li-ion charge controller. They're essentially power banks that output 1.5V with a step-down instead of 5V or 12V with a step-up. All standard alkaline batteries are 1.5 volts. Most lithium batteries (incl. the 14500) are 3.7 volts. That's a major difference right there! Standard 1.5 volt batteries are disposable. The 3.7 volt 14500 cell is rechargeable. For flashlights in particular, the higher voltage provided by a 14500 battery, allows them to be much brighter than This 1.5 Amp battery maintainer is fully automatic and is great for charging power sport, car and boat batteries. This maintainer will charge any 6/12 Volt - standard, AGM for deep cycle batteries. The SC1343 is perfect to maintain a charge on your batteries that you don't use very often or only during certain seasons! Buy VECTOR 1.5 Amp Battery Charger, Battery Maintainer, Trickle Charger, BM315V, 6V and 12V, Fully Smart 12 Volt, 750mA Battery Float Charger - 021-0123. dummy. NOCO GENIUS10, 10A Smart Car Battery Charger, 6V and 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Motorcycle, ATV, Lithium and Deep According to some websites, you can recharge around 10 times before it's completely dead. You also cannot recharge a battery that's completely dead. It needs to have a little charge in it when you try to recharge it. Devices like portable radios will completely discharge a battery. Devices like cameras will give you a warning and shut down Summary. The 1.5V rechargeable lithium battery has its unique advantages - the voltage output is higher than that of nickel-metal hydride and nickel-cadmium batteries, and there will be no voltage drop during discharge. It is very powerful in driving small current devices like wireless mouses, Xbox controllers, game handles, electric toys d. A ___-volt battery will increase the potential energy of 3 coulombs of charge by 18 joules. e. A ___-volt battery will increase the potential energy of 2 coulombs of charge by 3 joules. f. A 1.5-volt battery will increase the potential energy of ____ coulombs of charge by 0.75 joules. g. A 12-volt battery will increase the potential energy Those that are have different charging regimes. The most common '1.5V' cells are alkaline or zinc-carbon; neither of which is generally regarded as chargeable. My circuit designs should be regarded as experimental. Hae7.