# MPPT solar battery charging module, 3.7V, CN3065

> MPPT solar charging module CN3065 for a single Li-Ion battery 3.7V (1S, e.g. 18650). Charging voltage 4.2VDC, no balancing. Accepts input from a solar panel 4.4-6V, maximum charging current 500mA. Includes short-circuit protection and status LED: red while charging, green when charged. PH2.0 connector, also supports 5V power input (miniUSB connector may vary by batch).

- Page: https://sigmanortec.ro/en/mppt-solar-battery-charging-module-37v-cn3065
- Price: 15.60 RON
- Availability: In stock; 1-2 zile
- Reference: 9004 · EAN: 5945271371709
- Category: Electronic components > Modules for Batteries > Charging and Balancing Modules
- Specifications: Technology: Lithium Ion; Load voltage: 4.2VDC; sway: Not; tension: AD; Number of cells: 1S
- Package (shipping data): 0.005 kg
- Updated: 2026-09-23
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 03:39 (Europe/Bucharest)

## Description

Solar charging module for a 3.7V Li-Ion battery, ideal for 18650 cells, with MPPT management on CN3065. Accepts 4.4-6V panel input and charges up to 500mA, includes short circuit protection and LED status indicator, red when charging, green when charged. Quick connection via PH2.0, also supports 5V power supply, miniUSB may vary depending on the batch.
The module for solar charging of accumulators (example 18650) based on the integrated CN3065.
This solar charger can charge a single lithium battery with a maximum charging current of 500mA at an input voltage from the solar panel of up to 6V (minimum 4.4V).
Specifications:
Solar panel voltage: 4.4 - 6V
Maximum charging current: 500mA
Interface: connector PH2.0 mm, 2 pins, spacing 2 mm
Short circuit protection: yes
Battery status indicator: Red - Charging, Green - Charging
Support for 5V charging: Yes (the MiniUSB connector may or may not be present depending on the batch. If it is not present, there is a connector instead of the MIniUsb port)