A DC-to-DC charger uses excess engine-alternator current to charge the house battery bank. Use our guide to select the right parts and install them safely.

A 12V in, laptop power out gizmo costs 20 bucks or so on amazon. They come with a standard automotive aux plug which is common in the power banks so should be wide input range and take 10 -> 14 volts.

Such automatic systems, designed for recreational boats up to about 30 feet in length, usually come – pre-wired with a three-prong power cord to connect to a 120-volt AC electrical source, as well as ...

He bought a Quick Charge power bank and then hacked a Digispark to negotiate with the power bank to provide 12V output to Quick Charge his audio recorder.

OmniCharge Omni 20+ Power Bank review: A one-stop shop for all your charging needs OmniCharge thought of every connection type you could possibly need while on the road.

Walmart is selling a 12V car battery smart charger and maintainer on sale for just $22, and shoppers are “totally amazed” by it.

CTEK - D250S DUAL DC - DC 12V 20 AMP 5 STEP CHARGER Price: $350 - $400 online Optimises battery life Charges batteries using alternator power, solar power or both An easy to install, user-friendly ...

We all like to keep our network gear running during a power outage — trouble is, your standard consumer-grade uninterruptible power supply (UPS) tends to be overkill for routers and such. The… ...

In a lot of car models, that 12V jack doesn’t stop getting power, which means it’s technically draining your battery even when the car’s off. How much?

Chase bank announced a partnership with fast charging network EVgo to pilot DC fast chargers for EVs at 50 of its branch locations.