{"product_id":"ioptron-3329","title":"iOptron Lithium-Polymer Battery (3.7V, 2000 mAh)","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e2000 mAh Capacity\u003c\/li\u003e\n\u003cli\u003e3.7V Nominal Voltage\u003c\/li\u003e\n\u003cli\u003eLithium-Polymer Chemistry\u003c\/li\u003e\n\u003cli\u003eDirect Replacement for iOptron SkyGuider Pro \u0026amp; SkyTracker Pro\u003c\/li\u003e\n\u003cli\u003eDimensions: 51 x 34 x 8.5 mm\u003c\/li\u003e\n\u003cli\u003eWeight: 32g (1.1 oz)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eLithium-Polymer Battery (3.7V, 2000 mAh)\u003c\/h2\u003e\n\u003cp\u003eThis direct-replacement Lithium-Polymer battery holds 2000 mAh of capacity at a nominal 3.7V output, peaking at 4.2V when fully charged. Weighing just 1.1 oz (32g) and measuring 8.5 x 34 x 51 mm, it is engineered to be a precise power source and physical fit for specific iOptron portable tracking mounts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e2000 mAh Capacity and 3.7V Output for All-Night Tracking\u003c\/h3\u003e\n\u003cp\u003eWith a 2000 mAh capacity, this battery supports a full night of wide-field astrophotography, running your tracker for hours on a single charge. The regulated 3.7V output ensures consistent motor speed for reliable tracking, which is critical for avoiding star trails in long exposures. Lithium-Polymer chemistry results in a high power-to-weight ratio, keeping your portable setup light.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA 51mm x 34mm x 8.5mm Replacement for iOptron Mounts\u003c\/h3\u003e\n\u003cp\u003eThis battery is the specified replacement for the internal power source of the iOptron SkyGuider Pro and SkyTracker Pro mounts. Its precise dimensions of 51 x 34 x 8.5 mm ensure it fits correctly within the tracker's internal battery compartment without modification. At only 32g (1.1 oz), it adds negligible weight to your travel imaging rig.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow long can I expect this 2000 mAh battery to power my iOptron SkyGuider Pro for an imaging session?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile exact runtime depends on factors like payload balance and ambient temperature, a fully charged \u003cstrong\u003e2000 mAh battery\u003c\/strong\u003e will typically power an iOptron SkyGuider Pro for a full night of imaging, often lasting 6-8 hours or more under normal conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this 3.7V battery provide enough power for my SkyTracker Pro when it's cold outside?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, but like all lithium-based batteries, performance will be reduced in cold weather. The \u003cstrong\u003e3.7V output\u003c\/strong\u003e is stable, but the total available capacity (runtime) will decrease as temperatures drop. For very cold nights, it is advisable to keep the battery as warm as possible or have a fully charged spare.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs this Lithium-Poly battery a direct fit for the iOptron SkyGuider Pro?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. This battery is designed with dimensions of \u003cstrong\u003e51 x 34 x 8.5 mm\u003c\/strong\u003e to be a direct, drop-in replacement for the original battery in both the iOptron SkyGuider Pro and the SkyTracker Pro, requiring no modification to the mount's battery compartment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the correct charging voltage for this 3.7V Lithium-Poly battery?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe charging voltage should not exceed \u003cstrong\u003e4.2V\u003c\/strong\u003e. Most chargers designed for single-cell (1S) Li-Po batteries will correctly charge to this peak voltage. The mount's internal charging circuit is designed for this specification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is the peak voltage of this battery 4.2V if it's rated for 3.7V?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003e3.7V\u003c\/strong\u003e is the nominal, or average, operating voltage of the battery cell during its discharge cycle. \u003cstrong\u003e4.2V\u003c\/strong\u003e is the maximum voltage when the battery is 100% charged, and it will gradually drop to around 3.0V when fully discharged. The 3.7V rating represents its typical working voltage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat precautions should I take with this Lithium-Poly battery?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eLithium-Polymer batteries offer excellent power density but require care. Avoid puncturing, crushing, over-charging beyond \u003cstrong\u003e4.2V\u003c\/strong\u003e, or fully discharging the battery, as this can cause permanent damage and pose a safety risk. Always use a charger specifically designed for Li-Po cells, such as the one built into the iOptron mount.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003eLithium-Polymer (Li-Po), rechargeable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e2000 mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e3.7V nominal (peak at 4.2V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging Voltage\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 4.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e0.33\" x 1.34\" x 2.00\" (8.5 x 34 x 51 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.1 oz (32g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLithium-Poly Battery (3.7V, 2000 mAh)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/ioptron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eiOptron Component Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iOptron","offers":[{"title":"Default Title","offer_id":52917287649565,"sku":"IOP-3329","price":28.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/iOptron-Lithium-Poly-Battery-3-7V-1_917b6f98-7520-4d9b-9dce-6b525ba689da.jpg?v=1789141955","url":"https:\/\/davidastro.com\/products\/ioptron-3329","provider":"David Astro","version":"1.0","type":"link"}