BOS LE300 Lithium Extension Battery - Four Pack

<style> @media only screen and (max-width: 1023px) { .block.upsell .block.crosssell { display: none; } } .page-header .product-image-wrapper .navigation { z-index: 0; } .navigation:hover { z-index: 3; } .modalDialog { position: fixed; font-family: Arial Helvetica sans-serif; top: 0; right: 0; bottom: 0; left: 0; background: rgba(0 0 0 0.8); z-index: 999; display: none; -webkit-transition: opacity 400ms ease-in; -moz-transition: opacity 400ms ease-in; transition: opacity 400ms ease-in; pointer-events: none; overflow-y: initial; } .modalDialog:target { display: block; pointer-events: auto; } .modalDialog>div { width: 100%; max-width: 1024px; height: 85%; position: relative; margin: 2% auto; padding: 0px; border-radius: 10px; background: #fff; background: -moz-linear-gradient(#fff #999); background: -webkit-linear-gradient(#fff #999); background: White; } .stop-button { background: #909090; color: #FFFFFF; line-height: 30px; font-size: 25px; position: absolute; right: 5px; text-align: center; top: 5px; width: 30px; text-decoration: none; font-weight: bold; -webkit-border-radius: 12px; -moz-border-radius: 12px; border-radius: 15px; -moz-box-shadow: 1px 1px 3px #000; -webkit-box-shadow: 1px 1px 3px #000; box-shadow: 1px 1px 3px #000; } .stop-button:hover { background: red; text-decoration: none; } #compatibility { border-collapse: collapse; width: 100%; } #compatibility td #customers th { border: 1px solid #ddd; padding: 8px; } #compatibility tr:nth-child(even) { background-color: #f2f2f2; } #compatibility tr:hover { background-color: #ddd; } #compatibility th { padding-top: 12px; padding-bottom: 12px; text-align: left; background-color: #204387; color: white; } .modal-header { height: fit-content; padding: 1px; background-color: #204387; color: white; } .modal-title { text-align: center; } .modal-footer { height: fit-content; font-size: 1.2rem; background: #fff; border-radius: 10px; padding: 3px 3px 0 3px; } .modal-body { overflow-y: scroll; max-height: 90%; padding: 5px; } </style> <div class=\"s-buttons\"> <a class=\"pagebuilder-button-primary\" href=\"#openModal\" style=\"text-align: center;\"><span data-element=\"link_text\"><i class=\"fas fa-wrench\"></i> Specification</span></a> <a class=\"pagebuilder-button-primary\" href=\"https://www.dropbox.com/s/f3f1bpoj1kx74x0/Datasheet_LE300_2020_wmd_en_ver03.pdf?dl=0\" target=\"_blank\" style=\"text-align: center;\"><span data-element=\"link_text\"><i class=\"fas fa-file-alt\"></i> Datasheet</span></a> <a class=\"pagebuilder-button-primary\" href=\"https://www.dropbox.com/s/t7jat9lkc6eou80/LE_300_User_Manual_english_rev13.1_small-1.pdf?dl=0\" target=\"_blank\" style=\"text-align: center;\"><span data-element=\"link_text\"><i class=\"fas fa-book\"></i> Manual</span></a> <a class=\"pagebuilder-button-primary\" href=\"#video\" style=\"text-align: center;\"><span data-element=\"link_text\"><i class=\"fab fa-youtube\"></i> Video</span></a> </div> <div id=\"openModal\" class=\"modalDialog\"> <div> <div class=\"modal-header\"> <h3 class=\"modal-title\">BOS LE300 Technical Specifications</h3> <a class=\"stop-button\" title=\"Close\" href=\"#close\" onclick=\"go()\">X</a> </div> <div class=\"modal-body\"> <table id=\"compatibility\" style=\"width: 100%;\"> <tbody> <tr> <td>System Voltage</td> <td>12 VDC</td> </tr> <tr> <td>Norminal Voltage</td> <td>12.8 VDC</td> </tr> <tr> <td>Voltage Range</td> <td>11-15 VDC</td> </tr> <tr> <td>Battery Packs Used in LE300</td> <td>IFpR/26/65 [8p/4s] E/-20NA/95 LiFePO4 rechargeable battery</td> </tr> <tr> <td>Nominal Lithium Capacity</td> <td>28Ah / 358 Wh</td> </tr> <tr> <td>Usable Lithium Capacity</td> <td>90% (25.2 Ah / 358 Wh)</td> </tr> <tr> <td>Number of Cyclles at Room Temperature</td> <td>&gt;3 000 Complete Cycles</td> </tr> <tr> <td>Continuous Charging Current</td> <td>Max 12.5 A (between 5 &amp; 40&deg;C At higher &amp; lower tempratures current is limited)</td> </tr> <tr> <td>Battery Efficiency</td> <td>&gt; 90%</td> </tr> <tr> <td>Housing Dimensions</td> <td>175 x 229 x 67 mm</td> </tr> <tr> <td>Weight</td> <td>3.4 Kg</td> </tr> <tr> <td>Recommended Wire Size</td> <td>1.5 - 4 mm&sup2;</td> </tr> <tr> <td>Ambient Tempreture (Operating &amp; Warehousing)</td> <td>-20 - 50&deg;C Ambient Temperature with:<br /> <ul> <li>Max Battery Life at 15 - 25&deg;C</li> <li>Warehousing temperature: 10 - 30&deg;C</li> </ul> </td> </tr> <tr> <td>Low &amp; High Temperature Protection</td> <td>Temp sensor prevents lithium battery charge under -5&deg;C or above 55&deg;C</td> </tr> <tr> <td>Heating Charging &amp; Discharging</td> <td> <p>Charging starts once cell temp is higher than -5&deg;C</p> <p>Device has an integrated heating that is active between -20&deg;C and 10&deg;C cell temp.</p> <p>Discharge possible between -20&deg;C and 60&deg;C cell temp.</p> <p>At cell temp below -20&deg;C and over 60&deg;C system is running in pure lead acid mode for higher battery lifetime</p> </td> </tr> <tr> <td>Lithium Cell Balancing</td> <td>Battery management inclusive balancer</td> </tr> <tr> <td>Protection Features</td> <td>Overcurrent Overvoltage Short Circuit Deep Discharge Wrong Polarity Protection</td> </tr> <tr> <td>Operation Mode / Compatible External Batteries</td> <td>Works in combination with any 12 V Lead Acid Battery &amp; Lead Acid Charge Controller</td> </tr> <tr> <td>Connection Possibilities</td> <td>Packs can be connected in parallel with each other</td> </tr> <tr> <td>Maximum Parallel LE300\'s</td> <td> <p>In Standard Version a maximum of 24</p> <p>The LE300 Can be connected only in parallel higher quantities possible after consulting BOS partner.</p> </td> </tr> </tbody> </table> </div> <div class=\"modal-footer\"> <p><strong>Note:</strong> Specification is shown for a single LE300</P> </div> </div> </div> </div>

Works with any lead-acid battery and any application

LE300 Smart Battery System can be used wherever a 12 V classic lead-acid battery needs to be extended. The scope and application of the LE300 is such that customers often inspire us with new ideas and possible application areas. Right from solar home systems in Africa to mobile homes and boats in Europe LE300 has touched every kind of storage application you can ever think of!

Lithium for cycling. Lead-acid for basic load.

In pure lead-acid systems batteries often fail within one to three years as batteries get damaged by continuous operation at low state of charge. Pure lithium systems perform way better and show longer lifetimes but are expensive and complicated to install. LE300 Smart Battery System turns your lead-acid system into a lithium system with special features. And the best thing about it: It only takes a few minutes to install before it can make a real impact in your storage system.

Charging & Discharging Cycle

With the LE300 hook up the lead-acid battery is kept fully charged while the cycle-resistant lithium battery takes on most charging cycles and is preferentially discharged under load. The capacity and the performance of both batteries are used optimally so you can look forward to a better performance and a longer life span of your batteries.

Longer Battery Lifetime. At Low Costs

The lithium battery takes most of the charging cycles while the lead-acid battery provides inexpensive backup capacity. The lead-acid battery is charged with higher priority while the lithium battery takes all surplus energy. This process helps to increase the lead-acid battery lifetime to up to ten years.

Robust housing for automobile. Protected against bad terrains

An elegant design and robust housing keeps the lithium batteries safe even when you are driving off-road or bad roads. Thanks to an optimised sizing and variable fixing possibilities the modules fits even in smallest of the corners. Each module is E1 certified which allows them to be installed in automobiles as well.

Please note that the LE300 is not waterproof and will need a waterproof casing (battery box) if installed in a wet/damp environment.

Easy to scale up. All your needs are covered

LE300 modules can be easily stacked together to meet your individual energy storage needs. Up to 24 (7.8kWh lithium capacity) of them on top of your present or new lead acid battery. As mentioned all your needs are covered!

Retrofit or extend your lead acid battery. Hybrid technology

LE300 Smart Battery System can be connected to any new or existing 12V lead-acid battery. Thanks to the intelligent design no additional charge controller or electrical wiring changes are needed.

Low temperature resistance. Works with any climate

All LE300 modules have an integrated cell-heater so the lithium batteries are protected against cold temperatures and perform without any energy losses. At low outside temperatures the heating can increase the cell temperature by 5 to 10 degrees Celsius.

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