Figure 1 This Sears 6-amp battery charger was probably purchased in the 1970s ... I like having it on the low side so I don’t boil out these small batteries. Figure 8 The charger puts a nice gentle 13 ...

But if you're looking to keep a charged battery charged, that's where this charger from NOCO shines—featuring a gentle 1-amp charging current. It can also handle a wide range of battery types ...

Perhaps the best option of the bunch is the 1.25-amp Battery Tender Plus Charger and Maintainer. Its 12-volt model provides ample trickle charging power and smart charging technology to speed up ...

Few things are more panic-inducing than a phone’s battery hitting five percent when you’re nowhere near a charger. That’s what power banks are for. Keep a full one in your bag and you’ll ...