The 52V 21Ah battery pack provides a higher-capacity 52V solution for Dualtron Mini platforms, using matched cell groups and integrated BMS for balanced charging and thermal monitoring. Mechanical form and connector layout follow OEM dimensions to ensure direct replacement for both single and double battery Mini configurations. Cell selection and pack assembly target extended range performance while preserving charge/discharge characteristics expected by stock controllers on Mini Limited 13Ah and related Mini models. Compatible Models: Mini Limited 13Ah Mini Special 13Ah Mini Special 21Ah Mini 21Ah Mini Double 12Ah Mini Double 15.6Ah Mini Double 21Ah .faq-accordion { max-width: 900px; margin: 40px auto; } .faq-item { border-bottom: 1px solid #ddd; } .faq-item input { display: none; } .faq-item label { display: flex; justify-content: space-between; align-items: center; padding: 16px; cursor: pointer; font-weight: 600; background: #f9f9f9; } .faq-item label::after { content: "+"; font-size: 22px; transition: transform 0.3s ease; } .faq-item input:checked + label::after { content: "−"; } .faq-content { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; padding: 0 16px; } .faq-item input:checked ~ .faq-content { max-height: 500px; padding-bottom: 16px; } .faq-content p { margin: 12px 0; } Shipping France Standard: €8.99 (Free over €149) Delivery time: 3–5 working days France (Express) Price: €12.99 Delivery time: 2–3 working days Europe & International From €11.99 Delivery time: 3–7 working days Price & eligibility calculated at checkout Please confirm compatibility with your electric scooter model before ordering to avoid installation issues.