For quality gear, **700-800 CRC/W** (~$1. 45/W) is a typical range; we benchmark each quote. Do I need batteries? If you need reliable Wi-Fi, refrigeration, and fans during outages, a modest battery often makes sense. How do I compare solar quotes. . Investing in a solar battery system can ensure energy independence, protect your electronics, and even help reduce electricity costs. Let's explore the different scenarios and solutions available. With 99% of its electricity coming from renewables (World Bank, 2022), Costa Rica's energy landscape requires storage solutions that:. . Here is my internet setup: So, max draw from the internet devices is 209W, which should be fine even at 75% solar panel efficiency (225W) from 300W panels. So if the power goes out during the day and its sunny (it usually is), it could in theory run in perpetuity. A lithium-ion solar battery is a type of rechargeable battery used in solar power systems. .