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Product Features

LF1250N-BJ 12.8V 50Ah Self-Heating Power

Delivers 640Wh rated energy for RV, marine and low-temperature energy storage applications.

Automatic Self-Heating Under 0°C

Supports automatic self-heating when charging under 0°C for dependable cold-weather battery operation.

Cold-Weather Charge Range

Supports charging from -20°C~+55°C and discharging from -20~+60°C for low-temperature outdoor use.

Smart BMS Protection

Supports safer charge and discharge operation with intelligent battery management. Supports 50A continuous discharge and 100A peak discharge for demanding loads.

Hysincere Self-heating Series battery application scenario for cold weather and low temperature energy storage

LF1250N-BJ 12.8V 50Ah LiFePO4 Battery for Cold Weather RV and Outdoor Power

The LF1250N-BJ is a 12.8V 50Ah Self-Heating LiFePO4 Battery from the Hysincere Self-heating Series, designed for cold-weather RV, marine, outdoor and low-temperature energy storage applications. It delivers 640Wh rated energy with 50A continuous discharge performance. It also supports automatically self-heating when charging under 0°C.

The LF1250N-BJ is a 12.8V 50Ah Self-Heating LiFePO4 Battery from the Hysincere Self-heating Series, designed for cold-weather RV, marine, outdoor and low-temperature energy storage applications. It delivers 640Wh rated energy with 50A continuous discharge performance. It also supports automatically self-heating when charging under 0°C.

Hysincere battery smart BMS protection technology for LiFePO4 and energy storage battery systems

LF1250N-BJ Smart BMS Protection for 50A Continuous Discharge

The LF1250N-BJ is designed with smart BMS protection to support safer charge and discharge operation in cold-weather RV, marine, outdoor and low-temperature energy storage applications. It supports 50A continuous discharge, 100A peak discharge, IP65 protection, charging from -20°C~+55°C and discharging from -20~+60°C. It supports 4S4P configuration for flexible system design.

The LF1250N-BJ is designed with smart BMS protection to support safer charge and discharge operation in cold-weather RV, marine, outdoor and low-temperature energy storage applications. It supports 50A continuous discharge, 100A peak discharge, IP65 protection, charging from -20°C~+55°C and discharging from -20~+60°C. It supports 4S4P configuration for flexible system design.

Hysincere deep cycle battery life technology visual for long-lasting rechargeable battery performance

LF1250N-BJ ≥4000 Cycle Life Deep-Cycle LiFePO4 Battery

The LF1250N-BJ is built for long service life with ≥4000 cycle life, supporting stable rechargeable battery performance for B2B power applications. With 640Wh rated energy, 50A continuous discharge and 5-year warranty support, it is suitable for reliable long-term use in cold-weather RV, marine, outdoor and low-temperature energy storage applications.

The LF1250N-BJ is built for long service life with ≥4000 cycle life, supporting stable rechargeable battery performance for B2B power applications. With 640Wh rated energy, 50A continuous discharge and 5-year warranty support, it is suitable for reliable long-term use in cold-weather RV, marine, outdoor and low-temperature energy storage applications.

Technical Specifications

LF1250N-BJ Product Parameters

Main Parameters
ModelLF1250N-BJNominal Voltage12.8V
Maximum Charge Voltage14.6VDischarge Cut-off Voltage10V
Nominal Capacity50AhRated Energy640Wh
Electrical Performance
Maximum Charge Current50AMaximum Continuous Discharge Current50A
Maximum Peak Discharge Current (5S)100AMaximum Series & Parallel4S4P
Temperature & Protection
Charge Temperature-20°C~+55°CDischarge Temperature-20~+60°C
IP Rating of EnclosureIP65Protection LevelIP65
Physical & Installation
TerminalsM6Dimension229*144*213mm
Weight5.9kg
Lifecycle & Compliance
Cycle Life≥4000LCD ScreenNO
Certification(EU) 2023/1542 CE MSDS UN38.3
Download Datasheet PDF

FAQ

What applications is the LF1250N-BJ battery suitable for?

The LF1250N-BJ is suitable for cold-weather RV, marine, solar and outdoor battery systems. It is designed as a automatic self-heating when charging under 0°C with 12.8V nominal voltage, 50Ah capacity and 640Wh rated energy.

Can the LF1250N-BJ charge in cold weather?

Yes. The LF1250N-BJ belongs to the Self-heating Series and is designed to automatically self-heat when charging under 0°C. Its specified charge temperature range is -20°C~+55°C, and discharge temperature range is -20~+60°C.

What are the charging and discharge specifications of the LF1250N-BJ?

The LF1250N-BJ uses 12.8V nominal voltage, 14.6V maximum charge voltage and 10V discharge cut-off voltage. It supports 50A maximum charge current, 50A maximum continuous discharge current and 100A maximum peak discharge current.

Can the LF1250N-BJ be connected in series or parallel?

The catalog lists 4S4P connection support for the LF1250N-BJ or its series. For safe system design, series/parallel wiring, charging equipment, fusing and communication settings should be confirmed before installation.

What temperature range, cycle life and warranty does the LF1250N-BJ provide?

The LF1250N-BJ is specified for charging within -20°C~+55°C and discharging within -20~+60°C. The catalog cycle life is ≥4000, and the series is listed with 5 years warranty support. Actual service life depends on depth of discharge, load profile, charging method and operating environment.

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