<b>About SCREAM POWER Battery</b><br>This high quality powerful lithium battery is an excellent replacement or upgrade for any application currently using a deep cycle Gel, AGM or Flooded Lead Acid battery. We have a professional R & D team and have been committed to providing customers with the perfect power solutions.<br><br><b>WIDELY USED</b><br>SCREAM POWER LiFePO4 Energy Batteries Lithium Iron Phosphate 3000-5000 Deep Cycle Rechargeable Battery with Built-in BMS Perfect for marine, RV, campers, golf cart, off-road and off-grid applications!<br><br><b>Specifications</b><br>1.Chemistry: Lithium Iron Phosphate (LiFePO4)<br>2.Max continuous charge current: 1C<br>3.Max continuous discharge current: 1C<br>4.Peak discharge current: 2C<br>5.Operating temperatures: Standard 0°C~45°C(32°F~113°F), Discharge -20°C~65°C(-4°F~149°F),Storage -20°C~45°C(-4°F~113°F)<br><br><b>Features:</b><br>1. Power switch: Power switch controls the power of USB.<br>2. BMS protection board: BMS provides battery charging and discharging and short circuit protection.<br>3. Extremely Low self-discharge: <3% for LIFEPO4 versus >20% for SLA Battery. Long Service Life: Its cycle can reach as long as 3000-5000 times which is 7-10 times of SLA (the SLA battery is 300-500 times only)<br>4. GREEN ENERGY BATTERIES: Made from 100% safe, nontoxic, renewable energy.Maintenance free.