{"product_id":"e-bike-battery-lithium-40a-50a-bms-lg-52v-20ah-high-power-small-compact","title":"E Bike Battery Lithium 40A 50A BMS, LG 52V 20AH High Power Small \u0026 Compact,","description":"\u003cdiv style=\"max-width: 980px; margin: 20px auto; background: #000000; border: 2px solid #1f6feb; border-radius: 14px; padding: 22px; box-shadow: 0 0 20px rgba(31,111,235,0.22); font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #c9d1d9; line-height: 1.7; font-size: 16px;\"\u003e\n\n\u003c!-- HEADER --\u003e\n\u003cdiv style=\"background: linear-gradient(90deg, #151515c9, #151515c9); border: 1px solid #30363d; border-radius: 12px; padding: 16px; margin-bottom: 14px;\"\u003e\n  \u003ch3 style=\"margin: 0; color: #58a6ff; font-size: 20px; text-transform: uppercase; letter-spacing: 0.8px; font-weight: 800;\"\u003e\n⚡ 52V 20Ah LG GRADE A M50LT E-Bike Downtube Battery\n  \u003c\/h3\u003e\n  \u003cp style=\"margin: 6px 0 0; color: #8b949e;\"\u003e\nPowerful, compact and dependable:\u003cbr\u003e\n52V Nominal • 58.8V Fully Charged • LG M50LT Cells • 50A Maximum Discharge • 4A Charger  \u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- KEY FEATURES --\u003e\n\u003cdiv style=\"background: #151515c9; border: 1px solid #30363d; border-radius: 12px; padding: 16px; margin-bottom: 14px;\"\u003e\n  \u003ch4 style=\"margin: 0 0 10px; color: #58a6ff; text-transform: uppercase; letter-spacing: 0.6px; font-size: 16px; border-bottom: 1px solid #30363d; padding-bottom: 8px;\"\u003e\n💎 High-Quality LG Battery\n  \u003c\/h4\u003e\n\n  \u003cul style=\"list-style: none; padding: 0; margin: 0;\"\u003e\n    \u003cli style=\"margin: 6px 0;\"\u003eThis is a high-quality downtube battery manufactured using genuine LG M50LT Grade A 21700 lithium-ion cells. It has been designed to provide excellent reliability, strong performance and great value for money.\u003cbr\u003e\u003cbr\u003e\n\nDespite its compact downtube design, this battery definitely packs a punch. It is capable of providing the discharge required by many powerful e-bike conversion systems while retaining a clean and practical frame-mounted appearance.\n\u003cbr\u003e\u003cbr\u003e\n✔️ Genuine LG M50LT cells\u003cbr\u003e\n✔️ Grade A 21700 cell construction\u003cbr\u003e\n✔️ Strong and durable sealed battery casing\u003cbr\u003e\n✔️ Compact downtube-mounted design\u003cbr\u003e\n✔️ Maximum discharge capability of 50A\u003cbr\u003e\n✔️ Suitable for compatible systems peaking at approximately 2,500W\u003cbr\u003e\n✔️ Excellent quality and value for money\u003cbr\u003e\n✔️ Supplied with a full 12-month warranty\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003c!-- COMPATIBILITY --\u003e\n\u003cdiv style=\"background: #151515c9; border: 1px solid #30363d; border-radius: 12px; padding: 16px; margin-bottom: 14px;\"\u003e\n  \u003ch4 style=\"margin: 0 0 10px; color: #58a6ff; text-transform: uppercase; letter-spacing: 0.6px; font-size: 16px; border-bottom: 1px solid #30363d; padding-bottom: 8px;\"\u003e\n🔋 Battery Specifications\n  \u003c\/h4\u003e\n\n  \u003cul style=\"list-style: none; padding: 0; margin: 0;\"\u003e\n    \u003cli style=\"margin: 6px 0;\"\u003e✔️ Nominal Voltage: 52V\n\u003cbr\u003e✔️ Fully Charged Voltage: 58.8V\n\u003cbr\u003e✔️ Rated Capacity: 20Ah\n\u003cbr\u003e✔️ Total Energy: Approximately 1040Wh\n\u003cbr\u003e✔️ Cell Manufacturer: LG\n\u003cbr\u003e✔️ Cell Model: LG M50LT\n\u003cbr\u003e✔️ Cell Type: Grade A 21700 lithium-ion cells\n\u003cbr\u003e✔️ Individual Cell Capacity: 5000mAh\n\u003cbr\u003e✔️ Battery Configuration: 14S4P\n\u003cbr\u003e✔️ Total Cell Count: 56 cells\n\u003cbr\u003e✔️ Maximum Discharge: 50A\n\u003cbr\u003e✔️ Supported Peak Power: Approximately 2,500W with a compatible controller\n\u003cbr\u003e✔️ Main Discharge Connector: XT60\n\u003cbr\u003e✔️ Charger: 58.8V 4A FAST charger with UK plug\n\u003cbr\u003e✔️ Approximate Charging Time: 4-5 hours from empty\n\u003cbr\u003e✔️ Dimensions: Approximately 365 × 90 × 125mm\n\u003cbr\u003e✔️ Battery Style: Lockable and removable downtube battery\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n  \u003cdiv style=\"background: #151515c9; border: 1px solid #30363d; border-radius: 12px; padding: 16px; margin-bottom: 14px;\"\u003e\n  \u003ch4 style=\"margin: 0 0 10px; color: #58a6ff; text-transform: uppercase; letter-spacing: 0.6px; font-size: 16px; border-bottom: 1px solid #30363d; padding-bottom: 8px;\"\u003e\n💪 50A Maximum Discharge\n  \u003c\/h4\u003e\n\n  \u003cul style=\"list-style: none; padding: 0; margin: 0;\"\u003e\n    \u003cli style=\"margin: 6px 0;\"\u003eThe battery is capable of providing a maximum discharge of 50A, making it suitable for many high-powered e-bike conversion systems.\u003cbr\u003e\u003cbr\u003e\n\n✔️ Maximum discharge capability of 50A\u003cbr\u003e\n✔️ Suitable for compatible high-powered controllers\u003cbr\u003e\n✔️ Supports compatible systems peaking at approximately 2,500W\u003cbr\u003e\n✔️ Provides strong acceleration and dependable power delivery\u003cbr\u003e\n✔️ Excellent balance of power, capacity and compact size\u003cbr\u003e\n⚠️ Controller Compatibility:\u003cbr\u003e\n\nPlease confirm that your controller does not require more than the battery’s maximum discharge capability. Compatibility must be determined using the controller’s maximum battery current, voltage and connector type—not motor wattage alone.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n  \n\n      \u003cdiv style=\"background: #151515c9; border: 1px solid #30363d; border-radius: 12px; padding: 16px; margin-bottom: 14px;\"\u003e\n  \u003ch4 style=\"margin: 0 0 10px; color: #58a6ff; text-transform: uppercase; letter-spacing: 0.6px; font-size: 16px; border-bottom: 1px solid #30363d; padding-bottom: 8px;\"\u003e\n🚀 Up to Approximately 2,500W Peak Power\n  \u003c\/h4\u003e\n\n  \u003cul style=\"list-style: none; padding: 0; margin: 0;\"\u003e\n    \u003cli style=\"margin: 6px 0;\"\u003eWhen paired with a suitable controller and motor, the battery can support systems peaking at approximately 2,500W.\n\u003cbr\u003e\u003cbr\u003e\n✔️ Designed for powerful 52V conversion systems\u003cbr\u003e\n✔️ Strong discharge capability for improved acceleration\u003cbr\u003e\n✔️ Suitable for compatible hub-motor and mid-drive systems\u003cbr\u003e\n✔️ Ideal for riders looking for a battery that definitely packs a punch\u003cbr\u003e\u003cbr\u003e\nActual power depends on the controller current, motor, display settings, battery charge level and riding conditions.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n        \u003cdiv style=\"background: #151515c9; border: 1px solid #30363d; border-radius: 12px; padding: 16px; margin-bottom: 14px;\"\u003e\n  \u003ch4 style=\"margin: 0 0 10px; color: #58a6ff; text-transform: uppercase; letter-spacing: 0.6px; font-size: 16px; border-bottom: 1px solid #30363d; padding-bottom: 8px;\"\u003e\n🔌 XT60 Discharge Connection\n  \u003c\/h4\u003e\n\n  \u003cul style=\"list-style: none; padding: 0; margin: 0;\"\u003e\n    \u003cli style=\"margin: 6px 0;\"\u003eThe battery uses a reliable XT60 main discharge connection for connection to a compatible e-bike controller.\n\u003cbr\u003e\u003cbr\u003e\n\u003cbr\u003e✔️ XT60 main discharge connector\u003cbr\u003e\n✔️ Suitable for compatible XT60 controller connections\u003cbr\u003e\n✔️ Secure and dependable electrical connection\u003cbr\u003e\n✔️ Commonly used across many e-bike conversion systems\u003cbr\u003e\u003cbr\u003e\nAlways check the connector type and polarity before connecting the battery. Incorrect polarity can cause immediate damage to the battery, controller or electrical system.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n        \u003cdiv style=\"background: #151515c9; border: 1px solid #30363d; border-radius: 12px; padding: 16px; margin-bottom: 14px;\"\u003e\n  \u003ch4 style=\"margin: 0 0 10px; color: #58a6ff; text-transform: uppercase; letter-spacing: 0.6px; font-size: 16px; border-bottom: 1px solid #30363d; padding-bottom: 8px;\"\u003e\n🔌 58.8V 4A Fast Charger\n  \u003c\/h4\u003e\n\n  \u003cul style=\"list-style: none; padding: 0; margin: 0;\"\u003e\n    \u003cli style=\"margin: 6px 0;\"\u003eA 58.8V 4A charger with a UK plug is included. This provides faster charging than many standard 2A or 3A battery chargers.\u003cbr\u003e\n\n\u003cbr\u003e✔️ Correct 58.8V charging voltage for a 52V lithium-ion battery\n\u003cbr\u003e✔️ Fast 4A charging current\n\u003cbr\u003e✔️ UK mains plug included\n\u003cbr\u003e✔️ Approximate charging time of 5–6 hours from empty\n\u003cbr\u003e✔️ Designed specifically for the supplied 52V battery\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n        \u003cdiv style=\"background: #151515c9; border: 1px solid #30363d; border-radius: 12px; padding: 16px; margin-bottom: 14px;\"\u003e\n  \u003ch4 style=\"margin: 0 0 10px; color: #58a6ff; text-transform: uppercase; letter-spacing: 0.6px; font-size: 16px; border-bottom: 1px solid #30363d; padding-bottom: 8px;\"\u003e\n🧩 Adjustable Four-Slot Battery Base\n  \u003c\/h4\u003e\n\n  \u003cul style=\"list-style: none; padding: 0; margin: 0;\"\u003e\n    \u003cli style=\"margin: 6px 0;\"\u003eThe battery is supplied with an improved four-slot mounting base, providing greater adjustment and fitting flexibility than many standard battery bases.\u003cbr\u003e\n\n\u003cbr\u003e✔️Four adjustable mounting slots\n\u003cbr\u003e✔️Provides greater movement when aligning the mounting base\n\u003cbr\u003e✔️Designed to work with a wider range of bottle-cage mounting positions\n\u003cbr\u003e✔️Suitable for many frames with high or low bottle-cage mounting holes\n\u003cbr\u003e✔️Helps make installation easier across different bicycle frame designs\n\u003cbr\u003e✔️Lockable and removable battery system\n\u003cbr\u003e⚠️ Frame Fitment:\n\u003cbr\u003e\nPlease check the battery dimensions and available space inside your bicycle frame before ordering. Although the four-slot base provides greater adjustment, we cannot guarantee that the battery will fit every bicycle frame.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n          \u003cdiv style=\"background: #151515c9; border: 1px solid #30363d; border-radius: 12px; padding: 16px; margin-bottom: 14px;\"\u003e\n  \u003ch4 style=\"margin: 0 0 10px; color: #58a6ff; text-transform: uppercase; letter-spacing: 0.6px; font-size: 16px; border-bottom: 1px solid #30363d; padding-bottom: 8px;\"\u003e\n🚲 Suitable Applications\n  \u003c\/h4\u003e\n\n  \u003cul style=\"list-style: none; padding: 0; margin: 0;\"\u003e\n    \u003cli style=\"margin: 6px 0;\"\u003eThis battery is suitable for a wide variety of compatible 52V e-bike conversion kits and custom electric bicycle builds.\n\u003cbr\u003e\n\u003cbr\u003e✔️Suitable for compatible 52V conversion systems\n\u003cbr\u003e✔️Supports compatible systems peaking at approximately 2,500W\n\u003cbr\u003e✔️Suitable for controllers requiring no more than the battery’s maximum discharge capability\n\u003cbr\u003e✔️Suitable for compatible rear-hub, front-hub and mid-drive systems\n\u003cbr\u003e✔️Suitable for many mountain bikes, hybrid bikes and custom builds\n\u003cbr\u003e✔️Compact design suitable for many medium-sized bicycle frames\n\u003cbr\u003ePlease confirm the voltage, controller current, connector type, polarity, battery dimensions and available frame space before ordering.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n          \u003cdiv style=\"background: #151515c9; border: 1px solid #30363d; border-radius: 12px; padding: 16px; margin-bottom: 14px;\"\u003e\n  \u003ch4 style=\"margin: 0 0 10px; color: #58a6ff; text-transform: uppercase; letter-spacing: 0.6px; font-size: 16px; border-bottom: 1px solid #30363d; padding-bottom: 8px;\"\u003e\n📦 What’s Included\n  \u003c\/h4\u003e\n\n  \u003cul style=\"list-style: none; padding: 0; margin: 0;\"\u003e\n    \u003cli style=\"margin: 6px 0;\"\u003e✔️1 × 52V 20Ah LG M50LT downtube battery\n\u003cbr\u003e✔️1 × Adjustable four-slot battery mounting base\n\u003cbr\u003e✔️1 × XT60 discharge connection\n\u003cbr\u003e✔️1 × 58.8V 4A charger with UK plug\n\u003cbr\u003e✔️1 × User manual\n\u003cbr\u003e✔️2 × Battery locking keys\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n      \u003cdiv style=\"background: #151515c9; border: 1px solid #30363d; border-radius: 12px; padding: 16px; margin-bottom: 14px;\"\u003e\n  \u003ch4 style=\"margin: 0 0 10px; color: #58a6ff; text-transform: uppercase; letter-spacing: 0.6px; font-size: 16px; border-bottom: 1px solid #30363d; padding-bottom: 8px;\"\u003e\n    🚚 Shipping \u0026amp; Returns\n  \u003c\/h4\u003e\n\n  \u003cul style=\"list-style: none; padding: 0; margin: 0;\"\u003e\n    \u003cli style=\"margin: 6px 0;\"\u003e📦 Orders dispatched within 24 hours (Mon–Fri) if ordered before 1PM\u003c\/li\u003e\n    \u003cli style=\"margin: 6px 0;\"\u003e🚛 Carriers: Royal Mail, DPD or FedEx (Tracked)\u003c\/li\u003e\n    \u003cli style=\"margin: 6px 0;\"\u003e⏱️ Estimated delivery: 1–2 working days\u003c\/li\u003e\n    \u003cli style=\"margin: 6px 0;\"\u003e↩️ 30-day FREE returns – Buyer pays postage – Item must be returned in new condition\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n  \n\u003c!-- WHAT'S INCLUDED --\u003e\n\u003cdiv style=\"background: #151515c9; border: 1px solid #30363d; border-radius: 12px; padding: 16px; margin-bottom: 14px;\"\u003e\n  \u003ch4 style=\"margin: 0 0 10px; color: #58a6ff; text-transform: uppercase; letter-spacing: 0.6px; font-size: 16px; border-bottom: 1px solid #30363d; padding-bottom: 8px;\"\u003e\n    🤝 Need Help?\n  \u003c\/h4\u003e\n\n  \u003cul style=\"list-style: none; padding: 0; margin: 0;\"\u003e\n    \u003cli style=\"margin: 6px 0;\"\u003eWe aim to respond to all messages within 24 hours Monday–Friday 9am – 6pm and some weekends.\nOur team is always friendly \u0026amp; customer-focused, here to help with your e-bike build. 💬\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003c!-- CTA --\u003e\n\u003cdiv style=\"text-align: center; margin-top: 16px;\"\u003e\n  \u003cdiv style=\"display: inline-block; background: linear-gradient(90deg, #1f6feb, #58a6ff); color: #ffffff; padding: 12px 22px; border-radius: 10px; font-weight: bold; font-size: 15px; letter-spacing: 0.4px; box-shadow: 0 0 12px rgba(88,166,255,0.5);\"\u003e\n    ⚡ Ride Safe! 🚴💨\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"UK E-Bike Parts","offers":[{"title":"Default Title","offer_id":58543115174223,"sku":"BAT-52V20AH-LGMLT","price":319.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/3421\/3711\/files\/ChatGPTImageAug22_2026_10_18_48PM.png?v=1787419570","url":"https:\/\/ukebikepartsdirect.com\/products\/e-bike-battery-lithium-40a-50a-bms-lg-52v-20ah-high-power-small-compact","provider":"UK E-Bike Parts","version":"1.0","type":"link"}