12V 20AH LiFePO4 Lithium Battery with 30A BMS & LCD Voltmeter, Grade A Cells, 5000+ Deep Cycles Portable Rechargeable Lithium Iron Phosphate Battery for Fish Finder, Camping Lights, Solar Panel
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Size: 12V 20AH Plus
Features
- Premium A-Grade Cells with Robust 30A BMS: Engineered for reliability, ERYY 12V lithium iron phosphate battery is built with top-tier A-Grade cells for 5000+ cycles (10+ years!) and stable performance from -20C to 60C. The advanced 30A BMS provides ultimate protection against overcharge, over-discharge, short circuits, and overheating, while balancing cells for maximum efficiency and lifespan. Reliably powers fish finders, portable outdoor speakers, car vacuum cleaners, and more as a 12V deep cycle marine battery
- Lightweight Lead-Acid Upgrade for RVs and Solar: The ERYY 12V 20Ah lithium battery weighs just 5.5 lbs (1/3 of lead-acid) and measures 7.1"3"6.8" (half the size), yet delivers 5,000+ deep cycles (10+ years!). Equipped with BMS protection for reliable, safe and consistent power output. Suitable for camping lights and UPS backup. No maintenance, 2x faster charging, and 100% usable capacity vs. 50% in lead-acid
- Superior 12V LiFePO4 Battery with Enhanced Capacity: Upgrade to ERYY 12V 20Ah LiFePO4 lithium battery with true 22Ah capacity more power for your off-grid storage systems and marine trolling motors. Our advanced 30A BMS ensures safer operation vs. typical 20A systems. The built-in LCD voltage meter gives you real-time power monitoring. Includes 212 AWG premium battery cables, plus 5000+ cycles lifespan ideal for serious boaters and off-grid living
- 4P4S Expandable Power Configuration: Unlock custom power with ERYY 12V lithium battery! Carefully series/parallel connect up to 4P4S (48V/80Ah/4096Wh max) using identical 12V batteries to boost voltage (24V/36V/48V) or extend capacity. Suitable for scaling systems for router, security systems, water pumps, and car refrigerators. For safe expansion: Use batteries with the same capacity (20Ah), voltage (12V), BMS (30A), and brand (ERYY). Before connecting in series or parallel, each individual battery must be fully charged (with a resting voltage 13.4V)
- 12V 20Ah Rechargeable LiFePO4 Battery 3 Versatile Charging Methods! Power your adventures with ERYY 12V Rechargeable Marine Battery - the ultimate energy solution for off-grid living and mobile power needs. Engineered for versatility, it supports THREE smart charging methods: 1) Standard LiFePO4 charger (10A), 2) Solar panels with MPPT controller (LiFePO4 compatible), and 3) Generator pairing with LiFePO4 charger. Ideal for solar energy storage systems, emergency lighting, and kids' ride-on cars. Features safe operation within 32F-113F charging temperatures and 14.4V0.2 voltage. Delivers stable power with 30A charge/discharge current. NOTE: NEVER use lead-acid battery chargers
- Ideal Gift for RV & Outdoor Enthusiasts: Make holiday shopping easy with the ERYY 12V fish finder LiFePO4 battery. Perfect for dad, husband, or any handyman who enjoys RV trips, fishing, and solar DIY projects. Lightweight (5.5 lbs, 1/3 of lead-acid), 5000+ cycles (10+ years), BMS protection, and 100% usable capacity. A practical upgrade that delivers reliable off-grid power
Brand: ERYY
Vehicle Service Type: Camping Light, Fish Finder, Lawn Mower, Solar energy storage, UPS backup, outdoor speakers, security systems, trolling motor, vacuum cleaners See more
Size: 12V 20AH Plus
Voltage: 12.8 Volts
Battery Cell Composition: Lithium Ion
Item Weight: 5 Pounds
Product Dimensions: 3"D x 7.1"W x 6.8"H
Number Of Cells: 1
Terminal: M5
Battery Capacity: 20 Amp Hours
Compatible with Vehicle Type: Camping Light, Fish Finder, Lawn Mower, Solar energy storage, UPS backup, outdoor speakers, security systems, trolling motor, vacuum cleaners
Voltage: 12.8 Volts
Number Of Cells: 1
Terminal: M5
Battery Capacity: 20 Amp Hours
Automotive Fit Type: Universal Fit
Size: 12V 20AH Plus
Item Weight: 5 Pounds
Item Dimensions D x W x H: 3"D x 7.1"W x 6.8"H
Battery Type: Lithium Ion
Brand Name: ERYY
Manufacturer Part Number: YD1220
Model Number: YD1220
Manufacturer: Guangdong Shenyuanda New Energy Technology Co., Ltd
Manufacturer Warranty Description: 1 Year Manufacturer, NOTE Splash-proof only. Damage from submersion, rain, or water exposure due to misuse is not covered by warranty.
Included Components: 2PCS 14 AWG Cables with M5 Ring Terminal, Battery with screws, User manual
Frequently asked questions
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