<style>.faq-container {max-width: 800px; margin: auto; font-family: Arial;}.faq-item {border-bottom: 1px solid #ddd; margin-bottom: 10px;}.faq-question {cursor: pointer; padding: 15px; background: #f7f7f7; font-weight: bold;}.faq-answer {display: none; padding: 15px; background: #fff;}</style><div class=”faq-container”><div class=”faq-item”><div class=”faq-question”>What is a lithium battery?</div><div class=”faq-answer”>A lithium (LiFePO4) battery is a rechargeable battery known for long life, high efficiency, and lightweight design. It is widely used in solar systems and backup power.</div></div><div class=”faq-item”><div class=”faq-question”>What does Ah mean in batteries?</div><div class=”faq-answer”>Ah (Ampere-hour) shows battery capacity. Higher Ah means longer backup time.</div></div><div class=”faq-item”><div class=”faq-question”>Which battery capacity should I choose?</div><div class=”faq-answer”>20–50Ah for small loads, 100Ah for home backup, and 150Ah+ for heavy usage or solar systems.</div></div><div class=”faq-item”><div class=”faq-question”>How long do lithium batteries last?</div><div class=”faq-answer”>They last around 3000–5000 cycles, equal to 5–10 years of usage.</div></div><div class=”faq-item”><div class=”faq-question”>Can lithium batteries be used for solar systems?</div><div class=”faq-answer”>Yes, they are ideal for solar energy storage and off-grid applications.</div></div><div class=”faq-item”><div class=”faq-question”>Do lithium batteries need maintenance?</div><div class=”faq-answer”>No, they are completely maintenance-free.</div></div></div><script>document.querySelectorAll(“.faq-question”).forEach(item => { item.addEventListener(“click”, () => { let answer = item.nextElementSibling; answer.style.display = answer.style.display === “block” ? “none” : “block”; });});</script>