Sunny Buddy - MPPT LiPo charger for solar cells - SparkFun PRT-12885

Index: SPF-03376 EAN: 5904422307325

A 3.7V lipol single cell charger to which a photovoltaic cell can be connected. The supply voltage is between 6 V and 20 V, the maximum current is 450 mA. The device is equipped with LT3652, which allows to track the maximum power point.

Sunny Buddy - MPPT LiPo charger for solar cells - SparkFun PRT-12885
€35.90
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Manufacturer: SparkFun

Product description: Sunny Buddy - MPPT LiPo charger for solar cells

A3.7V lipolsinglecellcharger to which a photovoltaic cell can be connected. The supply voltage is between 6 V and 20 V, the maximum current is450 mA. The device is equipped with LT3652(documentation), which allows to track the maximum power point.

The manufacturer providesa user guideand an example of aweather station.

Connection

On the board there is a soldered DC connector to connect the solar panel and a miniJST socket for one purpose ofthe Lipol battery. Additional photovoltaic cell can be connected after soldering optional goldpin or DC connectors. The manufacturer has also provided space for an additional battery socket.

Distribution of input leads.

Distribution of input leads.

MPPT maximum power point tracking system

Thanks to the built-in LT3652, Sunny Buddy can get maximum power from the connected solar cell.At this address you can see why MPPT is so important.

Output voltage vs. output current.

Specification of LiPol solar cell charger

  • Input voltage: 6 V to 20 V
  • Maximum charging current: 450 mA
  • Soldering DC input connector
  • Soldering miniJST connector for Lipol 3.7 V batteries
  • Built-in MPPT controller - LT3652(documentation)

We also offersolarcells.

Package width 7.5 cm
Package height 8 cm
Package depth 1.2 cm
Package weight 0.012 kg

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Product reviews

Sunny Buddy - MPPT LiPo charger for solar cells - SparkFun PRT-12885

5/5

Average grade

2

Customers opinion
The following opinions are collected
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and come from the post-purchase process.
Mirosław 03.10.2022 Confirmed purchase Translated review
Good workmanship and appearance. Good description (could be in pdf). Good layout for learning the basics of solar panels and battery charging. Considerable didactic value in skilled hands.
Mirosław 27.03.2024 Confirmed purchase

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