If you’re upgrading to a power-craving amplifier and speakers, an XS Power lithium battery will keep them fed. Lithium-ion batteries have high storage capacities and fast charging times — and the best ones last up to 20 years. OnlineCarStereo.com has XS lithium batteries in many sizes to use as primary or secondary car batteries. They’re also great for solar panels and emergency generator backups. We’ll help you find the right XS Power battery with a 60-day performance guarantee.
