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Lead Acid Replacement LFP Battery BSL Series 12V

Model:

KQ-BSL-112050/BSL-112075/ BSL-1120100/BSL-1120150/BSL-1120200 /BSL-1120300

Premium 12V 50Ah–300Ah LiFePO4 battery series designed for seamless lead-acid replacement, featuring A-grade cells with 6000+ cycles and superior safety for RV, marine, and solar ESS.

  • OEM/ODM Service Support

  • Sample Order Support

  • Flexible Payment T/T, L/C

  • R&D Support

  • Quick Delivery

KQ-BSL-112050/BSL-112075/ BSL-1120100/BSL-1120150/BSL-1120200 /BSL-1120300

Key Feature

  • Seamless Lead-Acid Replacement: A versatile 12V 50Ah–300Ah range designed as a direct drop-in upgrade, offering higher energy density and lighter weight than traditional lead-acid batteries.

  • Premium Performance: Equipped with premium LFP cells delivering an exceptional 6000+ cycle life, significantly reducing total cost of ownership (TCO) over time.

  • Superior Safety Profile: Advanced chemistry and built-in BMS drastically reduce the risk of combustion or explosion, ensuring total peace of mind in mobile and residential setups.

  • Extreme Temperature Resilience: Engineered for excellent stability in high-temperature environments, maintaining reliable performance where lead-acid batteries often fail.

  • Rugged Protection Options: Available with IP21 or IP65-rated enclosures, making them ideal for both indoor storage and harsh outdoor or marine applications.

  • Eco-Friendly & High Efficiency: A sustainable energy solution with high charge/discharge efficiency and full recyclability, aligning with global green energy standards.

  • Maintenance-Free Design: Eliminates the need for watering or terminal cleaning, providing a “fit and forget” solution for end-users and installers.

ModelKQ-BSL-112050KQ-BSL-112075KQ-BSL-1120100KQ-BSL-1120150KQ-BSL-1120200KQ-BSL-1120300
Housing MaterialPlasticPlasticPlasticPlasticPlasticPlastic
Nominal voltage12.8V12.8V12.8V12.8V12.8V12.8V
Nominal capacity50Ah75Ah100Ah150Ah200Ah300Ah
Operating voltage10V-14.6V10V-14.6V10V-14.6V10V-14.6V10V-14.6V10V-14.6V
Max charging current50A75A100A100A100A100A
Max discharge current50A75A100A100A100A100A
Dimension299*138*208mm256*165*210mm256*165*210mm337*180*212mm337*180*212mm522*240*218mm
Cyclelife≥ 6000 cycles≥ 6000 cycles≥ 6000 cycles≥ 6000 cycles≥ 6000 cycles≥ 6000 cycles
Battery weight6kg not include installation components7.3kg not include installation components10.5kg not include installation components16kg not include installation components22kg not include installation components30.5kg not include installation components
Working temp range-10℃-50℃-10℃-50℃-10℃-50℃-10℃-50℃-10℃-50℃-10℃-50℃
Storage temp range-20℃-60℃-20℃-60℃-20℃-60℃-20℃-60℃-20℃-60℃-20℃-60℃
IP GradeIP21/65IP21/65IP21/65IP21/65IP21/65IP21/65

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Why Choose Keqi Energy

B2B Solar Solutions OEM/ODM

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OEM/ODM Process

Requirements Discussion → Technical Evaluation → Sample Development → Mass Production → Quality Inspection → Delivery  and Support

*After the order is confirmed, production will be completed within 3 to 14 working days. We strictly adhere to production standards and ensure high-quality, on-time delivery.

At KEQI Energy, we recognize that every customer is unique, and we are dedicated to meeting the specific needs of our clients in the solar energy industry. We offer customized production services that enable us to create products tailored to your precise requirements, including solar lights, solar inverters, and energy storage solutions. Our team of experienced professionals collaborates closely with clients to ensure we fully understand their preferences and industry demands. Utilizing the latest technology and techniques, we deliver high-quality, customized products that stand out in the market. Whether you need a unique lighting solution for your commercial space or a specialized solar product not readily available, we are here to assist you. Contact us today to learn more about our customized production services and how we can help you achieve your solar energy goals!

At KEQI Energy, we believe that product quality is of utmost importance. We have implemented a rigorous quality control system that covers every detail of the production and shipping process. From the selection of raw materials to the final inspection of finished products, we adhere to strict production and shipping standards to ensure that our products meet the highest quality requirements. Our production facilities are equipped with the latest technology and staffed by experienced professionals who are dedicated to producing high-quality products. We also conduct regular training and quality control checks to ensure that our production and shipping processes remain at the highest level. Our commitment to quality has earned us the trust and loyalty of our customers, and we will continue to uphold our high standards in all aspects of our business!

At KEQI Energy, we take product quality and customer satisfaction very seriously. We have a strict quality control system in place to ensure that our products meet the highest standards of quality and safety. All of our products come with a corresponding warranty period, and we encourage our customers to communicate with us prior to purchasing to determine the specific warranty period for their desired product. Our commitment to quality extends beyond the sale of our products, and we provide excellent after-sales service to ensure that our customers are satisfied with their purchase. We believe that our dedication to product quality and customer satisfaction is what sets us apart in the industry, and we will continue to strive for excellence in all aspects of our business.

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