---
product_id: 386160432
title: "SUNER POWER Waterproof 12W 12V Solar Battery Charger & Maintainer Pro, Built-in UltraSmart MPPT Charge Controller, 12 Volt Solar Panel Trickle Charging Kits for Car Automotive Boat Marine RV Trailer"
brand: "suner power"
price: "919 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/386160432-suner-power-waterproof-12w-12v-solar-battery-charger-and-maintainer
store_origin: RO
region: Romania
---

# 99% tracking efficiency 3-stage charging Waterproof design SUNER POWER Waterproof 12W 12V Solar Battery Charger & Maintainer Pro, Built-in UltraSmart MPPT Charge Controller, 12 Volt Solar Panel Trickle Charging Kits for Car Automotive Boat Marine RV Trailer

**Brand:** suner power
**Price:** 919 Lei
**Availability:** ✅ In Stock

## Summary

> ☀️ Charge Ahead with Confidence!

## Quick Answers

- **What is this?** SUNER POWER Waterproof 12W 12V Solar Battery Charger & Maintainer Pro, Built-in UltraSmart MPPT Charge Controller, 12 Volt Solar Panel Trickle Charging Kits for Car Automotive Boat Marine RV Trailer by suner power
- **How much does it cost?** 919 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/386160432-suner-power-waterproof-12w-12v-solar-battery-charger-and-maintainer)

## Best For

- suner power enthusiasts

## Why This Product

- Trusted suner power brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First:** Multiple built-in protections ensure your battery is safe from any mishaps.
- • **Built to Last:** Crafted with premium materials to withstand the harshest weather conditions.
- • **Effortless Maintenance:** Enjoy worry-free charging with automatic shut-off and resume features.
- • **Harness the Sun's Power:** Transform sunlight into energy with cutting-edge MPPT technology.
- • **Versatile Compatibility:** Perfect for a wide range of 12V batteries, from cars to boats.

## Overview

The SUNER POWER Waterproof 12W 12V Solar Battery Charger & Maintainer Pro is an advanced solar charging solution featuring Ultra-Smart MPPT technology for high efficiency, a 3-stage charging algorithm for optimal battery care, and robust safety features. Designed for versatility, it supports various 12V battery types and is built to endure extreme weather, making it the ideal choice for automotive, marine, and RV applications.

## Description

SUNER POWER Waterproof 12W 12V Solar Battery Charger & Maintainer Pro, Built-in UltraSmart MPPT Charge Controller, 12 Volt Solar Panel Trickle Charging Kits for Car Automotive Boat Marine RV Trailer

## Features

- 【Ultra-Smart MPPT Technology】This 12v solar panel battery charger is crafted with SUNER POWER's unique Ultra-Smart MPPT( Max Power Point Tracking) technology, the innovative MPPT allows to deliver high tracking efficiency of up to 99% and peak conversion efficiency of 98%, improving approximately 20%-30% utilization rate than other competitors
- 【Improved 3-stages Charging】The improved 3-Stages charging algorithm (Bulk, Absorption, Float) allows to charge 12-volt battery more effectively, ensures battery is safely recharged and increases battery life and performance
- 【Free Maintenance】The solar trickle charger stops charging when battery has full charge, and automatically resumes when battery has discharge, totally free maintenance. A fully-automatic, worry-free and smart 12volt solar charger
- 【Full Safety Protections】Built-in multiple protections including over-charge, over-discharge, over-voltage, over-current, over-load, short circuit, reverse polarity, and over-temperature, waterproof and spark-proof, the battery is fully protected
- 【Wide Compatibility】It's not just a solar powered battery charger, it's an advanced solar battery maintainer for 12-volt sealed lead-acid car, automotive, marine, RV, power sport, boat, dump trailer, motorcycle, trolling motor, tractor, ATV and deep-cycle batteries, including flooded, gel, AGM, SLA and maintenance-free, plus lifepo4 lithium batteries
- 【Superior Quality and Material】Made of premium Grade A+ solar cells with efficiency up to 21%-30%, tempered solar glass and durable corrosion-resistant frame, withstand extreme weather conditions like UV, anti-rusting, erosion, hail, and sandstorm
- 【Easy to Use】Using the most advanced MPPT technology, this 12 volt solar battery charger starts charging immediately when it detects a battery. Pre-designed holes allow for quick mounting with included suction cups, and all cables are plug and play, offering easy and quick using experience

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 41.91 x 23.88 x 1.52 cm; 1.46 kg |
| Part number | BC-50W-P |
| Material type | Abs |
| Power source type | Solar Powered, Battery Powered |
| Manufacturer | SUNER POWER |
| Item model number | BC-50W-P |
| ASIN | B08K2T4RPH |

## Product Details

- **Brand:** SUNER POWER
- **Colour:** Navy Blue
- **Product dimensions:** 41.9D x 23.9W x 1.5H centimeters
- **Output voltage:** 12 Volts (DC)
- **Specification met:** Energy Star

## Images

![SUNER POWER Waterproof 12W 12V Solar Battery Charger & Maintainer Pro, Built-in UltraSmart MPPT Charge Controller, 12 Volt Solar Panel Trickle Charging Kits for Car Automotive Boat Marine RV Trailer - Image 1](https://m.media-amazon.com/images/I/81qs8VFJiWL.jpg)
![SUNER POWER Waterproof 12W 12V Solar Battery Charger & Maintainer Pro, Built-in UltraSmart MPPT Charge Controller, 12 Volt Solar Panel Trickle Charging Kits for Car Automotive Boat Marine RV Trailer - Image 2](https://m.media-amazon.com/images/I/81w5q+VN0iL.jpg)
![SUNER POWER Waterproof 12W 12V Solar Battery Charger & Maintainer Pro, Built-in UltraSmart MPPT Charge Controller, 12 Volt Solar Panel Trickle Charging Kits for Car Automotive Boat Marine RV Trailer - Image 3](https://m.media-amazon.com/images/I/71ESELiZmZL.jpg)
![SUNER POWER Waterproof 12W 12V Solar Battery Charger & Maintainer Pro, Built-in UltraSmart MPPT Charge Controller, 12 Volt Solar Panel Trickle Charging Kits for Car Automotive Boat Marine RV Trailer - Image 4](https://m.media-amazon.com/images/I/811XXtGZRCL.jpg)
![SUNER POWER Waterproof 12W 12V Solar Battery Charger & Maintainer Pro, Built-in UltraSmart MPPT Charge Controller, 12 Volt Solar Panel Trickle Charging Kits for Car Automotive Boat Marine RV Trailer - Image 5](https://m.media-amazon.com/images/I/71Qgs8GLB9L.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: How many amps does the bc-5w pro generate?**
A: Max 0.27Amps for 5W; 0.56amps for 10w and 0.67amps for 12w

**Q: I plan on connecting this to our tractor full time. Can i still drive it without disconnecting it?**
A: Absolutely! Mine stays connected to my truck battery all the time and it works great! I live on an island and there are gaps between driving so this keeps my battery charged and ready when I get back to the island. I liked it so much I bought one for each of my vehicles.

**Q: Does this require a battery tender. I have a couple other solar charger which must have a tender to prevent overcharging**
A: Unlike other regular solar charger, the solar charger was built-in intelligent mppt charge controller chip to prevent over charge, over voltage, short circuit, no addtional battery tender is required.

**Q: The indicator light turned off and and it is almost dark. Does this mean**
A: The LED indicator is powered by sunlight, it will not come on if sunlight is not sufficient. Expose the solar panel to full sun, see if the light comes on? If not, pls get back to our support team thru email support@sunerpower.com

## Frequently Bought Together

- SUNER POWER Waterproof 12W 12V Solar Battery Charger & Maintainer Pro, Built-in UltraSmart MPPT Charge Controller, 12 Volt Solar Panel Trickle Charging Kits for Car Automotive Boat Marine RV Trailer
- OYMSAE 25Feet SAE to SAE Extension Cable Quick Disconnect Connector 16AWG,for Automotive,Solar Panel Panel SAE Plug(25FT(16AWG)), Charging Adapter
- LST 6FT 12V Ring Terminal SAE to O Ring Connecters Extension Cord Cable Connector for Battery Charger/Maintainer

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**Shop now:** [https://www.desertcart.ro/products/386160432-suner-power-waterproof-12w-12v-solar-battery-charger-and-maintainer](https://www.desertcart.ro/products/386160432-suner-power-waterproof-12w-12v-solar-battery-charger-and-maintainer)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-01-25*