lossigy 12 volt 200ah deep cycle lithium ion rechargeable battery, the perfect replacement for solar system, rv, marine battery, built in 100a bms maintenance-free, 4000-7000 cycles lossigy <b>the best choice for battery replacement</b><br><br> the lithium chemistry of the battery cuts the weight of the traditional lead-acid battery to less than half while providing a massive boost to performance capacity.<br> designed for more than just storing power easily, they're here for you to provide long-lasting peace of mind with their immense durability making it easy to use them in your home, your job or for your outdoor needs where trust, safety.<br><br> the integrated battery management system (bms) protects the battery from various conditions during the charging/discharging process.and with high temp / low temp automatic cut off<br> the state-of-the-art battery cells ensure longer service life,exceptional discharge performance and we have a professional r & d team and have been committed to providing customers with the perfect power solutions.<br><br> <b>the mppt and inverter setting method of 12.8v lifepo4 battery pack is as follows</b><br><br> charging<br> charging voltage: 14.2-14.6v<br> overvoltage disconnect voltage: 15v<br> overvoltage reconnection voltage: 14.2v<br> discharge<br> low voltage disconnection voltage: 10.8v<br> low voltage reconnection voltage: 10.6v<br> undervoltage warning voltage: 12.4v<br><br> <b>product parameters</b><br><br> can be connected in series (up to 4)/ in parallel (up to 10)<br> nominal capacity: 200ah<br> nominal voltage: 12.8v<br> maximum continuous charging current: 100a<br> maximum continuous discharging current: 100a<br> protection rate: ip68<br> operating temperature range<br> charge: 32°f--113°f<br> discharge: -4°f--140°f<br> storage temperature: 10°f-122°f<br> charging state: low temperature cut-off is 32 ° f, high temperature cut-off is 113 ° f<br> discharge state: low temperature cut-off is - 4 ° f, high temperature cut-off is 140 ° f<br> product size: l * w * h 19.05 * 6.69 * 9.45 inches ( 483 * 170 * 240 mm )<br> maintenance free<br>