PRODUCT GRADING (Grade A) -Excellent Condition > Minor if any signs of use and wear > Refurbished to the highest standards. Retail Box WHAT IS IN THE BOX RoyPow Deep Cycle LiFePO4 Battery Pack 12V 6Ah Lithium Iron Phosphate Battery 3500 Cycles Rechargeable FiOS Drop in Replacement of SLA Battery, for RV/Camper, Kid Scooters, Fish Finder PRODUCT DESCRIPTION Premium Lithium Iron Phosphate Battery (LifePO4) Cells, long-time cycles, battery capacity can be still up to 80% after 1C charge and discharge under 100% DOD condition for 3,500 cycles, longer cycle life (up to 5000~7000 cycles) would be achieved under lower charge rate and discharge rate. BUILT-IN BMS & Low-temperature Charging Protection Our powerful BUILT-IN BMS can automatically stop recharging under the temperature of 0 ℃ to protect the battery from damage. Also can prevent the LifePO4 battery from the most common issue causing of battery failure, such as temperature volatility, overcharge, over-discharge, over-current, overloading, overheating, ground faults. Extendible & Widely Use Allow to be extended up to 4 in series and 2 in parallel (Max 4S2P) to get more capacity (Max. 12Ah) and higher voltage (12V, 24V, 36V, 48V); Widely use in most areas such as: UPS backup, lighting (LED strip etc), Digital/CCTV cameras, Portable TV, e-Robot, Electric Vehicles (e-Bike, e-Robot, kid electric car), Loudspeaker DIY, 12V Router, Air Pump, Fish Finder, Motorhome / RV & Camper, Houseboat, Travel Trailer, Dump Trailer Light-weight & Clean Energy Only 25% weight of an equivalent lead-acid battery but at least 6 times of longer service life, The attribute of Non-harm & clean energy to the environment, makes it definitely an ideal replacement for most traditional lead-acid deep cycle batteries. 1-year warranty & Excellent Customer Service We have a professional customer service team, providing a strongly 1-year warranty, 30-day money-back and free lifelong technical support. We are confident about our product quality since it has been strictly tested before shipping. PRODUCT INFORMATION Number of batteries - 1 12V batteries required. (included) Brand  - RoyPow Battery cell composition - Lithium-Phosphate Unit count - 1 count Voltage - 12 Volts