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Message: <blockquote data-quote="Voltage" data-source="post: 31309779" data-attributes="member: 391265">ChatGPT said this.Off-grid solar system එකක් හදන්න වියදමත්, DIY vs company decision එකත් depend වෙන්නේ ඔයාට ඕන power usage (kWh per day), battery backup hours, appliances වගේ දේවල් මත. Sri Lanka context එකට simple breakdown එකක් දෙන්නම් <img class="smilie smilie--emoji" loading="lazy" alt="👇" title="Backhand index pointing down    :point_down:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/1f447.png" data-shortname=":point_down:" /><h2><img class="smilie smilie--emoji" loading="lazy" alt="🔋" title="Battery    :battery:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/1f50b.png" data-shortname=":battery:" /> Off-Grid Solar System (Battery full dependence)</h2><h3><img class="smilie smilie--emoji" loading="lazy" alt="💰" title="Money bag    :moneybag:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/1f4b0.png" data-shortname=":moneybag:" /> Approx Cost (2026 SL market)</h3>(සාමාන්‍ය ගෙයක් – fan, lights, TV, fridge)<ul> <li data-xf-list-type="ul">1kW system → LKR 4 – 6 lakhs</li> <li data-xf-list-type="ul">3kW system → LKR 10 – 15 lakhs</li> <li data-xf-list-type="ul">5kW system → LKR 18 – 25 lakhs</li> </ul><img class="smilie smilie--emoji" loading="lazy" alt="👉" title="Backhand index pointing right    :point_right:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/1f449.png" data-shortname=":point_right:" /> Cost වැඩි වෙන්නේ mainly:<ul> <li data-xf-list-type="ul">Battery (Lithium battery = expensive <img class="smilie smilie--emoji" loading="lazy" alt="😅" title="Grinning face with sweat    :sweat_smile:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/1f605.png" data-shortname=":sweat_smile:" />)</li> <li data-xf-list-type="ul">Inverter (off-grid hybrid type)</li> <li data-xf-list-type="ul">Panels</li> </ul><hr /><h2><img class="smilie smilie--emoji" loading="lazy" alt="🔄" title="Counterclockwise arrows button    :arrows_counterclockwise:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/1f504.png" data-shortname=":arrows_counterclockwise:" /> Hybrid Solar System (Grid + Battery)</h2><img class="smilie smilie--emoji" loading="lazy" alt="👉" title="Backhand index pointing right    :point_right:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/1f449.png" data-shortname=":point_right:" /> මේක තමයි දැන් popularම option එක<h3><img class="smilie smilie--emoji" loading="lazy" alt="💰" title="Money bag    :moneybag:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/1f4b0.png" data-shortname=":moneybag:" /> Approx Cost</h3> <ul> <li data-xf-list-type="ul">3kW hybrid → LKR 8 – 12 lakhs</li> <li data-xf-list-type="ul">5kW hybrid → LKR 14 – 20 lakhs</li> </ul><img class="smilie smilie--emoji" loading="lazy" alt="👉" title="Backhand index pointing right    :point_right:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/1f449.png" data-shortname=":point_right:" /> Advantage:<ul> <li data-xf-list-type="ul">Current තියෙන වෙලාවට battery use වෙන්නේ නෑ</li> <li data-xf-list-type="ul">Power cut වෙද්දි backup තියෙනවා</li> <li data-xf-list-type="ul">Battery size reduce කරන්න පුළුවන් → cost save</li> </ul><hr /><h2><img class="smilie smilie--emoji" loading="lazy" alt="🏗️" title="Building construction    :construction_site:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/1f3d7.png" data-shortname=":construction_site:" /> Company vs DIY (ඔයාම කරගන්න එක)</h2><h3><img class="smilie smilie--emoji" loading="lazy" alt="🏢" title="Office building    :office:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/1f3e2.png" data-shortname=":office:" /> Company එකකින් කරනවා නම්</h3><img class="smilie smilie--emoji" loading="lazy" alt="✅" title="Check mark button    :white_check_mark:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/2705.png" data-shortname=":white_check_mark:" /> Pros:<ul> <li data-xf-list-type="ul">Warranty (panels 10-25 years)</li> <li data-xf-list-type="ul">Proper installation (safety)</li> <li data-xf-list-type="ul">Approvals / net-metering support</li> <li data-xf-list-type="ul">සේවාව තියෙනවා (after-sales)</li> </ul><img class="smilie smilie--emoji" loading="lazy" alt="❌" title="Cross mark    :x:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/274c.png" data-shortname=":x:" /> Cons:<ul> <li data-xf-list-type="ul">15% – 30% වඩා cost වැඩි</li> </ul><hr /><h3><img class="smilie smilie--emoji" loading="lazy" alt="🛠️" title="Hammer and wrench    :tools:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/1f6e0.png" data-shortname=":tools:" /> DIY (ඔයාම බඩු අරන් කරනවා)</h3><img class="smilie smilie--emoji" loading="lazy" alt="✅" title="Check mark button    :white_check_mark:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/2705.png" data-shortname=":white_check_mark:" /> Pros:<ul> <li data-xf-list-type="ul">Cheap (lakhs 2-5ක් save වෙන්න පුළුවන්)</li> <li data-xf-list-type="ul">Full control (brand selection)</li> </ul><img class="smilie smilie--emoji" loading="lazy" alt="❌" title="Cross mark    :x:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/274c.png" data-shortname=":x:" /> Cons:<ul> <li data-xf-list-type="ul">Wrong wiring → damage risk <img class="smilie smilie--emoji" loading="lazy" alt="⚠️" title="Warning    :warning:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/26a0.png" data-shortname=":warning:" /></li> <li data-xf-list-type="ul">No proper warranty support</li> <li data-xf-list-type="ul">Battery management issue (dangerous if wrong)</li> <li data-xf-list-type="ul">ලංකාවේ certified electrician knowledge එක අවශ්‍ය</li> </ul><img class="smilie smilie--emoji" loading="lazy" alt="👉" title="Backhand index pointing right    :point_right:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/1f449.png" data-shortname=":point_right:" /> Honestly:<img class="smilie smilie--emoji" loading="lazy" alt="👉" title="Backhand index pointing right    :point_right:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/1f449.png" data-shortname=":point_right:" /> ඔයා networking / electrical background තියෙනවා නම් DIY possible<img class="smilie smilie--emoji" loading="lazy" alt="👉" title="Backhand index pointing right    :point_right:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/1f449.png" data-shortname=":point_right:" /> නැත්තම් company එකෙන් කරගන්න එක safer<hr /><h2><img class="smilie smilie--emoji" loading="lazy" alt="⚠️" title="Warning    :warning:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/26a0.png" data-shortname=":warning:" /> Important Tips</h2> <ul> <li data-xf-list-type="ul">Lithium battery (LiFePO4) use කරන්න → long life (5-10 years)</li> <li data-xf-list-type="ul">Cheap lead-acid avoid කරන්න (maintenance + low lifespan)</li> <li data-xf-list-type="ul">Future expand කරන්න plan කරන්න</li> <li data-xf-list-type="ul">Inverter brand important (Growatt, Deye, Huawei වගේ)</li> </ul><hr /><h2><img class="smilie smilie--emoji" loading="lazy" alt="🧠" title="Brain    :brain:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/1f9e0.png" data-shortname=":brain:" /> My Recommendation</h2><img class="smilie smilie--emoji" loading="lazy" alt="👉" title="Backhand index pointing right    :point_right:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/1f449.png" data-shortname=":point_right:" /> Sri Lanka වල:<ul> <li data-xf-list-type="ul">Hybrid system + small battery = best ROI <img class="smilie smilie--emoji" loading="lazy" alt="💯" title="Hundred points    :100:" src="https://cdn.jsdelivr.net/joypixels/assets/6.6/png/unicode/64/1f4af.png" data-shortname=":100:" /></li> <li data-xf-list-type="ul">Fully off-grid only if: <ul> <li data-xf-list-type="ul">ඔබට current connection නැත්තම්</li> <li data-xf-list-type="ul">Rural area / frequent power cuts</li> </ul></li> </ul></blockquote>

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