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Lead-acid Replacement Lithium Iron Phosphate battery 25.6V 100AH

Categories G Tech UPS
Brand Name: Gtech
Model Number: LK25.6-100
Certification: UN38.3, MSDS, CE
Place of Origin: China
MOQ: 1 PCS
Price: Negotiation
Payment Terms: T/T
Supply Ability: 10000 pcs/month
Delivery Time: 20 work days
Packaging Details: Wooden case
Overload Protection: Yes
Output Voltage: 110V
Free Oem Service: Support
Short Circuit Protection: Yes
Color: White
Warranty: 5 years
Company Info.
G-TECH POWER GROUP
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Lead-acid Replacement Lithium Iron Phosphate battery 25.6V 100AH

LK25.6-100 (Metal Case Type, Lead-acid Replacement)


Product Overview

The LK25.6-100 is a high-performance LiFePO₄ (Lithium Iron Phosphate) battery designed as a drop-in replacement for traditional lead-acid batteries.
With a nominal voltage of 25.6 V and capacity of 100 Ah (2.56 kWh), it offers superior energy efficiency, long lifespan, and enhanced safety.
Encased in a durable metal housing, the LK25.6-100 provides excellent mechanical strength and IP66 waterproof protection, making it ideal for solar systems, UPS, RVs, boats, and industrial backup applications.


Technical Specifications

ItemSpecification
Battery TypeLiFePO₄ (Lithium Iron Phosphate)
Rated Voltage & Capacity25.6 V / 100 Ah
Rated Energy2.56 kWh
Operating Voltage Range21.6 V – 29.2 V
Charging Voltage29.2 V
Max Continuous Charge/Discharge Current100 A
Peak Discharge Current200 A (≤ 50 ms)
Cycle Life> 4500 cycles @ 80 % DOD
Terminal TypeM8 terminals
ProtectionOver-charge, over-discharge, over-current, short-circuit, over-temperature, IP66 waterproof
Storage Temperature25 °C ± 5 °C (6 months)
Operating Temperature-20 °C ~ +60 °C
Humidity0 – 95 % (no condensation)
Noise< 40 dB (@ 1 m)
Dimensions (L×W×H)483 × 170 × 240 mm
Net Weight19.5 kg
CertificationsUN38.3, MSDS, CE
Warranty5 Years


Key Features

  1. Direct Lead-acid Replacement – Drop-in compatible with most 24 V systems; simple installation without modifications.

  2. Long Cycle Life – Over 4500 cycles, 4–6 times longer lifespan than standard lead-acid batteries.

  3. High Efficiency & Energy Density – Up to 95 % round-trip efficiency with stable voltage output.

  4. Rugged Metal Housing – Heavy-duty steel enclosure with IP66 waterproof protection, suitable for outdoor and industrial use.

  5. Lightweight Design – Only 19.5 kg, about half the weight of equivalent lead-acid batteries.

  6. Comprehensive Protection – Built-in BMS safeguards against overcharge, over-discharge, short-circuit, and temperature extremes.

  7. Wide Temperature Range – Reliable performance in both high and low ambient temperatures.

  8. Maintenance-Free – No acid leakage, no corrosion, and no need for regular maintenance.

Typical Applications

  • Solar and Renewable Energy Storage – Ideal for 24 V off-grid or hybrid solar systems.

  • UPS and Backup Power – Reliable and long-lasting backup for industrial, telecom, or office systems.

  • RV / Caravan / Marine Power – Compact, vibration-resistant, and safe for mobile applications.

  • Industrial and Commercial Equipment – Perfect for forklifts, lighting towers, and portable power units.

  • Home Energy Storage – Small-scale backup or daily cycling applications.

Our Services

  1. Complete Battery Solutions – From product design to energy system integration.

  2. Technical Support – Professional guidance on inverter compatibility, wiring, and configuration.

  3. OEM / ODM Customization – Options for metal housing, capacity, communication interface (RS485/CAN), and private labeling.

  4. Quality Assurance – Every unit tested for safety, performance, and reliability before delivery.

  5. After-sales Guarantee – 5-year warranty with lifetime technical support.

  6. Export-grade Packaging – Secure wooden crate packaging ensures safe global transportation



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