SOLPERK Solar Battery Charger Maintainer Kit 20W
- 20W maximum power, 12 V
- SAE connector
- MPPT controller included
- 360-degree adjustable bracket with 2 mount screws
- 15 x 13.2 x 0.7 inches, L x W x H
- 3 lb
- Monocrystalline silicon in an aluminum frame
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A small solar trickle-charger kit for keeping a twelve-volt battery topped up on a boat, car, RV or motorcycle. It maintains a battery rather than running gear, and the listing shows an SAE connector only.
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ASIN: B08GX19KT9Model: FD-EP-230201-1688Category: Solar Panels
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Overview
A boat, RV or motorcycle owner who wants a battery kept topped up gets a small monocrystalline panel with a controller and an adjustable bracket. The kit mounts with screws and connects through an SAE plug.
A smart controller and an adjustable bracket are the reason to look, aimed at maintenance charging during storage. Its low power rating means it will not recharge a flat deep-cycle bank quickly.
Who it's for
A boat, RV, car or motorcycle owner whose battery stands unused for weeks and loses charge. A buyer who wants to power equipment or charge a big bank needs a higher-output panel.
Pros and cons
- MPPT controller included
- Adjustable bracket and screws
- Small and light
- Low output for large batteries
- SAE connector only listed
- No clamp or ring terminal adapters listed
Performance notes
Sunlight on the cells makes a small direct current, and the MPPT controller adjusts the load so more of that power reaches the battery. A trickle rate offsets self-discharge rather than recharging a drained battery quickly. Panel angle toward the sun and any shade strongly change the output.
Specifications
| Brand | Solperk |
|---|---|
| Model | FD-EP-230201-1688 |
| Dimensions & fit | |
| Item weight | 3 pounds |
| Item Dimensions L x W x H | 15 x 13.2 x 0.7 inches |
| Capacity & performance | |
| Output Voltage | 12 volts |
| Amperage Capacity | 8 A |
| Power & efficiency | |
| Maximum Power | 20 wattslower than 52% of 24 solar panels |
| Maximum Voltage | 12 voltslower than 50% of 21 solar panels |
| Construction & materials | |
| Material Type | Aluminum, monocrystalline silicon |
| Included components | |
| Included Components | 20W panel, user manual, controller charger, 360-degree adjustable bracket, 2 mount screws |
| Other details | |
| Connector Type | SAE |
Closest rivals on specs
FlexSolar Solar Battery Trickle Charger Kit 20W- Item Weight 3 vs 1.7 pounds (+76%)
Tactacam Reveal Folding Solar Panel 7.2W- Maximum Power 20 vs 7.2 watts (+178%)
Frequently asked questions
How do I mount the Solperk 20W solar panel?
The kit includes a 360-degree adjustable bracket and 2 mount screws. The listing gives no step-by-step instructions.
What battery does the Solperk panel connect to?
It is a 12 volt kit for boat, car, RV, motorcycle and marine batteries, using an SAE connector.
Can the Solperk 20W panel run appliances?
No. It is a maintainer and trickle charger with a 20 watt panel.