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Product introduction

The NJ1212-20 DC-DC charger is widely compatible with various alternators, providing efficient and precise charging management for AGM, submersible, gel, and deep-cycle lithium batteries. With a rated current of 20A, standard power of 250W, and an operating voltage of 12V, it employs three-stage intelligent charging technology to automatically charge the battery to 100% full capacity, optimizing the charging curve throughout the process to effectively extend battery life and provide users with greater peace of mind.

This product integrates battery isolation and charging functions in a compact, robust, and durable design, weighing only 1.3kg. It is easy to install in various mobile environments such as RVs, commercial vehicles, boats, and yachts, adapting to complex working conditions and offering stable and reliable performance. The product has obtained CE certification and can be customized in terms of appearance color, logo, and packaging according to customer needs.

 Specification

 Specification
Model NJ1212-20 NJ1212-40 NJ1212-60
Transformation 12V
Input Battery Voltage Range     8V ~ 16V DC
Rated Charging Current 20A     40A 60A
Charging Voltage Range Lead Acid: 13.2V ~ 14.7V
Lithium: 12.6V ~ 14.6V
Rated Max Power 250W     500W 750W
Residual ripple of output voltage at rated current < 50 mV
Eficiency     90 %
ldle power consumption     0.4 A
Operational temperature
(Ambient)
    -20℃ ~50℃
Temperature Compensation     -3mV/C°/2V
Dimensions(mm) 211x175x68 261×175×68 311×175×68
Weight(kg) 1.3 1.9 2.4
Terminal Size     M6 x 10mm
Terminal Torque 2.2 - 2.6lbf - in / 24.5 - 29.4N - cm
Certification     CE
Online Inqury
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steven.jin@raenchi.com
+86 16605771157