LiFePO4 12V 135AH Deep Cycle Lithium Battery for RV Marine Off-Grid Solar System Product Description: 🔋【Smart Bluetooth BMS】 The upgraded deep cycle 12V 135Ah smart LiFePO4 lithium battery is built-in bluetooth BMS to protect it from overcharge, over-discharge, over-current, and short circuits with excellent low self-discharge rate. With high temp cutting off prevents charging over 140 °F (60°C). And Low temp cutoff protection prevents battery damage in low-temperature environments. 🔋【Free Bluetooth APP MONITORING】 TCBWORTH 12v 135ah Bluetooth Lifepo4 battery has APP monitor function to let you connect to the battery via Bluetooth and shows all sorts of details about the battery and its state of charge.Such as DOD, SOC, Number of Cycles, Voltage, Temperature, etc. The App support the phone with IOS and Android system, help you to monitor during charging or discharge, anywhere, anytime! 🔋【Support Expansion】All of our 12V lithium batteries can be connected in series and in parallel for higher voltage and larger capacity. Up to 4 batteries can be connected in series for 12V, there is no limit to the number of batteries that can be connected in parallel.4 in series and 4 in parallel(4P4S) to get more capacity (Max 540Ah) and higher voltage (24V, 36V, 48V) can be used in various types applications. 🔋【Built To Last】The service life of our 12V 135Ah lifepo4 battery is more than 10000 cycles, 10to 15 times longer than that of standard lead-acid batteries(300-500 cycles). The service life is more than 10 years. Helping to minimize replacement cost and reduce total cost of ownership. Lithium batteries with the same capacity weigh only 1/3 of lead-acid batteries, which means our lifepo4 battery not only take up less space, but also reduce the load on your equipment. 🔋【Best Service】TCBWORTH 12V 135ah LiFePO4 battery contains 6000-10000 cycle times, each lithium battery can run for more than 10 years, With our professional technical support team, 5-year warranty，No worries at all. Note: Our batteries have 2 different designs of prismatic and pouch batteries, shipped randomly. Specifications: Brand:TCBWORTH Voltage: 12V Capability: 135Ah Upgrade Parts/Accessories: Class A Material: lithium iron phosphate Standard charging current: 20A Max.Charge Current:50A Max.Continuous Discharge Current:100A Max.Discharge Current 5Seconds:200A Max. Continuous output power :1280W Max. Continuous Load Power: 640W Energy: 1728Wh Internal Impedance: ≤20mΩ Maximum Protection Voltage: 14.6V Final Voltage: 10V Clamp: M8 Charging Temperature (℃): 0~45℃/32°F~113°F Discharge Temperature(℃): -20~60℃/-4°F~140°F Storage Temperature(℃): -10~50℃/14°F~122°F Product Dimensions:332*176*220mm Recommend Charger:14.6V for 12V LiFePO4 battery Charging Voltage: 14.2V – 14.6V Charging Current: <0.5C Weight: 12.8KG Package included: 1 x 12V 135Ah LiFePO4 Battery 2 x 200A M8 copper terminal 1 x Bluetooth Instruction

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