【2 Packs for 24V Battery】The package includes 2 packs of 12.8V 100Ah lithium Batteries configure in series to be 24V lithium battery for electric outboard motor, trolling motor, solar systems, etc. 【Power Your Marine Adventures】Built with a marine-tough 100A BMS, the 100Ah battery handles massive surge capacity (120A/3min, 500A peak) and scales to 60V via 5S. As a direct Group 31 fit (1280Wh), it's a direct drop-in replacement for AGM batteries 【Smart Control, In Your Hand】Unlock effortless control with built-in Bluetooth 5.0. A simple QR scan pairs your phone for smart discharge management and live system tracking from up to 10m away 【5S5P for 60V 500Ah System】This battery is scalable to 60V 500Ah (32kWh), delivering 500A of continuous output. It supports 24-60V outboards, 30-120lb trolling motors, solar, RVs, and marine electronics like fish finders, sonar, and GPS 【Low Temp Cut-Off Protection】Engineered to operate in charging temperatures down to 32°F and discharging to -4°F, with an IP65 rating for complete dust and water resistance 【Comprehensive Safety for Electric Outboard】Its outboard motor-tailored BMS provides 20+ vital protections, plus auto-recovery and corrosion resistance. Fully certified (UL1973, FCC, CE, RoHS, UN38.3) for assured safety and reliability 【Built to Last, Backed by Support】With premium EV-grade A cells for a 10-year lifespan, your investment is protected by a 5-year warranty, 24/7 service, and lifetime technical support Maximize Versatility with Self-Designed Power—Ideal for fueled outboard motor, trolling motor and etc.. This self-designed smart 12V 100Ah lithium battery supports a maximum 60V voltage platform in a compact form Product Features: Convenient Bluetooth Connection & Smart Control Built-in Bluetooth connects seamlessly to smartphones via APP. Users can monitor real-time status (voltage, capacity, temperature) and control remotely, avoiding manual checking Flexible Expansion to 60V 500Ah or 12V 500Ah System Group 31 BCI size directly replaces lead-acid. Unique 5P5S support forms 60V 500Ah system, fitting RVs, solar storage, industrial equipment, etc. Low Temperature Cutoff Protection Cuts off charging at 32℉ and discharging at -4℉. Integrated BMS (over-charge/discharge/current/short-circuit) ensures all-round safety Lightweight & Easy Replacement Only 22.58lbs, 1/3 weight of 12v 100ah lead acid battery (60-70lbs), easing installation/transport. Its intelligent system outperforms agm batteries in monitoring and protection Long Lifespan & Low Maintenance 4000+ cycles at 100% DOD, far exceeding lead-acid (200-500 cycles at 50% DOD). 10 years lifespan with minimal maintenance, saving replacement costs Suitable for various energy storage applications 12V 24V 36V 48V 60V Electric outboard motor, Trolling Motors, Marine RV, Camper, Camping Backup, Travel Trailer, lawn mower Solar Panel, Home Emergency Backup, Farm & Monitoring Gear, off grid Key Parameters and Maintenance Guide: BMS: 100 A Certification: UL-1973,FCC,CE,RoHS,UN38.3 Rec. Charge Current: 20A(0.2C) Max. Cont. Charge Current: 100A(1C) Expandable Setups: 5P5S (5 in Parallel and 5 in Series) BCI Size: Group 31 Protection Level: IP65 Storage Temp.: 14℉ to 122 ℉ Charging Temp.: 32℉ to 122 ℉ Discharging Temp.: -4℉ to 140 ℉ Low Temp. Protection: Support Why Choose Redodo Lithium Batteries 5 Years Warranty 24-7 Aftersale Support Lifetime Technical Support In-House R&D & Manufacturing