{"product_id":"h-hailong-36v-48v-52v-ebike-lithium-battery-pack-compact-power","title":"H HAILONG 36V 48V 52V EBike Lithium Battery Pack - Compact Power","description":"\u003cp\u003eIn this review the H HAILONG 36V 48V 52V lithium ion eBike battery pack stands out as a compact, lightweight upgrade for riders converting bikes, trikes, or scooters. The single biggest reason to buy is the combination of small physical size and relatively high usable capacity, which makes it easy to mount on most frames while still supporting 250W to 800W motors. The review focuses on practical fit, range behavior, and everyday use rather than lab numbers, because the product is sold as a package with a waterproof case and fast charger.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact size:\u003c\/strong\u003e At roughly 10 by 3.94 by 3.54 in and only 4.63 lb, the pack is much smaller and lighter than lead-acid alternatives and is easy to position on the frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad motor compatibility:\u003c\/strong\u003e The battery supports common motor power ranges and works with 250W, 350W, 500W and 800W setups, making it suitable for a range of conversions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast charger included:\u003c\/strong\u003e The XT60 connector and 54.6V 2A charger let users charge quickly and simply while following the recommended plug sequence.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof carry bag:\u003c\/strong\u003e The included sturdy fabric pouch with double-sided waterproof zippers and adjustable straps secures the pack and fits most bikes, and it doubles as a convenient storage pocket.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in protection:\u003c\/strong\u003e A Battery Management System protects against overcharge, over-discharge, over-current, and short circuits for safer operation than unprotected lead-acid cells.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis battery is aimed at DIY eBike converters and riders who want a lighter, more energy-dense alternative to lead-acid packs. It is a good choice for owners of mid-drive or hub motors in the 250W to 800W range who need a compact pack that fits in a frame bag or behind a bottle cage.\u003c\/p\u003e\n\u003cp\u003eRiders who need extremely long range for extended touring or who require IP-rated waterproofing for prolonged heavy rain should look at larger capacity or purpose-built waterproof systems, since the supplied bag is water resistant but not meant for long exposure in heavy downpour.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLightweight and space-saving dimensions make installation easy on most mountain and road bike frames.\u003c\/li\u003e\n\u003cli\u003eUsers report reliable range and speed performance with common mid-drive motors, and it pairs well with Bafang-style setups.\u003c\/li\u003e\n\u003cli\u003eIncludes charger and a practical waterproof-style pouch with adjustable straps for secure mounting.\u003c\/li\u003e\n\u003cli\u003eBMS protection improves safety and longevity compared with unprotected lead-acid packs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe pouch is water resistant but not intended for extended heavy rain, so riders should avoid prolonged wet conditions.\u003c\/li\u003e\n\u003cli\u003eNo detailed runtime chart is provided, so exact range will vary with motor, rider weight, and assist level.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery dimensions\u003c\/td\u003e\n\u003ctd\u003e10 x 3.94 x 3.54 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e4.63 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable connector\u003c\/td\u003e\n\u003ctd\u003eXT60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharger\u003c\/td\u003e\n\u003ctd\u003e54.6V 2A fast charger included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible motor power\u003c\/td\u003e\n\u003ctd\u003e250W to 800W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eBuilt-in BMS: overcharge, over-discharge, over-current, short circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe H HAILONG lithium pack is a practical, compact option for riders converting bikes or upgrading from heavy lead-acid batteries. It delivers a good balance of weight, convenience, and protective features, and the included pouch and charger make installation straightforward. For everyday commuting and moderate-range rides it represents good value, though those needing extreme weatherproofing or maximum range should consider larger dedicated packs.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this battery fit my mountain bike frame?\u003c\/strong\u003e\u003cbr\u003eThe compact 10 x 3.94 x 3.54 in size and adjustable mounting straps make it compatible with most mountain and road frames, and it can be mounted in a pouch or behind a bottle cage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it power a 750W mid-drive?\u003c\/strong\u003e\u003cbr\u003eIt is rated to work with motors up to around 800W, and customers report compatibility with common 48V 750W mid-drive setups, but runtime depends on riding conditions and assist level.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the bag fully waterproof?\u003c\/strong\u003e\u003cbr\u003eThe supplied fabric pouch with waterproof-style zippers is water resistant and will keep belongings dry in light rain, but it is not intended for prolonged exposure to heavy rain.\u003c\/p\u003e","brand":"H HAILONG","offers":[{"title":"Default Title","offer_id":48648347484379,"sku":"B09GF287D1","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71Awy70yAMS._AC_SL1200.jpg?v=1778558928","url":"https:\/\/gearmusthave.com\/products\/h-hailong-36v-48v-52v-ebike-lithium-battery-pack-compact-power","provider":"GearMustHave","version":"1.0","type":"link"}