XZNY 12V 18Ah LiFePO4 Battery 5000+ Cycles Deep Cycle LiFePO4 Battery Built-in 20A BMS 12V Rechargeable Lithium Battery for Outdoor Camping Suitable for Fish finder RV Boat Toys Emergency Light

XZNY 12V 18Ah Deep Cycle LiFePO4 Battery Perfect for fish finders (106sv) scooters lighting power supplies solar systems water pumps DSC alarm systems ham radios marine electronic accessories 12V water pump Solar projects deer feeders etc. 🔘 Manufactured using the highest quality LiFePO4 cells in the industry 🔘 5000+ Cycles & 10 Yrs service life 🔘 Built-in 20A BMS（6 battery protection measures） 🔘 Support up to 4 series connection and unlimited parallel connection How to prolong the service life of 12V LiFePO4 battery? 1. Do not overdischarge or overcharge (MOST IMPORTANT❗) When the battery reaches the cut-off voltage of 10V it should stop discharging.(Should charge in time） When the battery reaches the charging voltage of 14.6V it should stop charging. Let the battery always work within the voltage range of 10V-14.6V (this is also called