100-300Ah LiFePO4 Lithium Battery — Smart BMS Deep-Cycle Battery for Solar RV Marine

The JYINS 100-300Ah LiFePO4 (Lithium Iron Phosphate) Battery delivers premium deep-cycle energy storage for solar, RV, marine, and off-grid applications. Available in 100Ah, 200Ah, and 300Ah capacities at 12.8V nominal, these batteries feature an intelligent built-in BMS (Battery Management System) with comprehensive protection against overcharge, over-discharge, short circuit, and temperature extremes. With 4000-6000 cycle life at 80% DOD, they outlast lead-acid batteries by 8-10x while weighing 60% less. Expandable in series (up to 48V) and parallel configurations.

Product Description

Parameter	Specification
Model Series	JY-LFP Series
Nominal Voltage	12.8V DC
Capacity Options	100Ah (1280Wh) / 200Ah (2560Wh) / 300Ah (3840Wh)
Cell Chemistry	LiFePO4 (Lithium Iron Phosphate) — Grade A Cells
Cycle Life	4000-6000 Cycles at 80% DOD (80% Capacity Retention)
BMS Protection	Overcharge, Over-discharge, Over-current, Short Circuit, Temperature, Cell Balancing
Max Continuous Discharge	100A (100Ah); 200A (200-300Ah)
Peak Discharge (3s)	200A (100Ah); 400A (200-300Ah)
Charge Voltage	14.2V - 14.6V
Charge Current	50A Recommended (100Ah); 100A (200-300Ah)
Self-Discharge	< 3% per Month
Operating Temperature	Charge: 0℃ to 45℃; Discharge: -20℃ to 60℃
Series Connection	Up to 4 in Series (48V)
Parallel Connection	Up to 4 in Parallel
Weight	~11 kg (100Ah); ~22 kg (200Ah); ~33 kg (300Ah)
Dimensions (100Ah)	330 x 172 x 215 mm
Warranty	5 Years

Performance Advantages

4000-6000 cycle life — over 10 years of daily use, 8-10x longer than lead-acid batteries
Grade A LiFePO4 cells — UL certified cells with consistent capacity and internal resistance matching
Smart BMS with cell balancing — active balancing maintains all cells at equal voltage, maximizing usable capacity
60% lighter than lead-acid — a 100Ah LiFePO4 weighs just 11 kg vs 28 kg for equivalent AGM
100% usable capacity — unlike lead-acid (50% recommended DOD), use the full rated capacity without damage
Flat discharge curve — maintains > 12.8V through 90% of discharge, unlike lead-acid voltage sag
Expandable design — connect in series for 24V/36V/48V or parallel for larger capacity banks

Application Scenarios

RV & Camper House Batteries — Lightweight high-capacity power for extended off-grid camping
Marine & Yacht — Safe LiFePO4 chemistry with no off-gassing for enclosed boat compartments
Home Solar Storage — Daily cycling for residential off-grid and hybrid solar systems
Golf Carts & EVs — Drop-in replacement for lead-acid with 3x range and half the weight
Trolling Motors — Consistent voltage throughout discharge for all-day fishing performance
UPS Backup — Long-life replacement for lead-acid UPS battery banks with zero maintenance

Why Choose JYINS

Zhejiang Jingying (JYINS) Electrical Co., Ltd., established in 1993, is a leading manufacturer with over 30 years of expertise in power inverters, solar charge controllers, energy storage systems, and renewable energy solutions. Our 500+ employee factory in Wenzhou, China, serves clients across 50+ countries with ISO9001/CE/SAA/RoHS certified products.

30+ years of manufacturing excellence since 1993
ISO9001, ISO14001, ISO45001, CE, SAA, RoHS, FCC certified
Dedicated R&D center with 30+ national patents
OEM/ODM services with flexible MOQ and fast prototyping (7-10 days samples)
Export to 50+ countries across 6 continents
Professional pre-sales engineering support and after-sales service

Frequently Asked Questions (FAQ)

Q: Can I replace my lead-acid battery directly with this?

A: Yes, for most 12V applications. However, ensure your charger has a LiFePO4 profile (14.2-14.6V absorption). Standard lead-acid chargers may not fully charge lithium batteries.

Q: How long will a 100Ah battery last running a 12V fridge?

A: A typical 12V portable fridge draws 3-5A cycling. A 100Ah LiFePO4 provides approximately 20-30 hours of runtime (depending on ambient temperature and fridge settings).

Q: Can I connect these in series for 24V/48V?

A: Yes, up to 4 batteries in series for 48V systems. Use identical batteries (same model, capacity, and age) in series strings for balanced charging.

Q: Is LiFePO4 safe for indoor installation?

A: Yes, LiFePO4 is the safest lithium chemistry — no thermal runaway, no fire risk, no toxic gas emission. It's approved for indoor installation in living spaces.

Hisolar (Zhejiang JYINS Electrical Co., LTD.),specializing in the production of power inverters, hybrid solar inverter, customized inverter PCB boards, and other clean energy solutions.