Simarine PICO Blue package Surface BLACK+SC503+ST107+SCQ25
Simarine PICO Blue package Surface BLACK+SC503+ST107+SCQ25
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The Simarine PICO Blue PK21N-3-SB package pairs a black surface-mount PICO monitor with SC503, ST107 and SCQ25 modules. It is intended for owners who want both battery-bank monitoring and a clearer picture of what individual appliances or charging sources are doing.
The package supports one main battery or bank, up to four auxiliary batteries and up to six tank-level or temperature measurements. The SCQ25 adds four individual current channels, useful for separating appliance consumption from charging input.
Features and benefits
- SC503 shunt supports up to 500A continuous current.
- SC503 includes two voltage inputs, two resistance inputs and a temperature-sensor socket.
- ST107 adds four resistance inputs and three voltage inputs.
- SCQ25 measures four current channels at up to 25A continuous per channel.
- ST107 and SCQ25 each include a programmable alarm signal relay.
- PICO displays system data and includes a barograph.
Package contents
One PICO display, one SC503 shunt, one ST107 tank/voltage module and one SCQ25 quad shunt.
Technical details
- Product code: PK21N-3-SB
- Display mounting: Surface
- Display colour: Black
- Main shunt: SC503, 500A
- Individual current channels: 4 × 25A
- Mount Type: Surface mount
- Colour: Black
Compatibility and installation
Select and configure the required tank and temperature sensors. Two SCQ25 channels can be combined for a higher current measurement when wired and configured as described by Simarine.
Explore our battery monitor kits and Simarine monitoring range. Contact our team with your system model and part numbers for help choosing.


Related equipment & options
Match the Simarine display or control system and the required module, sensor or SiCOM connection. Check what is already included in a package before adding separate components.
Explore related ranges
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Technical Question?
Need a little help with your order? Don't hesitate to call us on +44 (0)1752 604603 or email us at info@boatpartsuperstore.com and we will be happy to help.
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Some products may require additional processing or are supplied directly from our manufacturers. Where this applies, any extended lead time will be clearly displayed on the relevant product page.
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United Kingdom
- Flat Rate Shipping: £15.00
- Delivery Time: 1–2 business days
- Courier: DHL Express
- FREE delivery on all orders over £250
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Selected products are available for collection from our depot. Where collection is available, this option will be clearly shown on the relevant product page.
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Europe
- Flat Rate Shipping: £45.00
- Delivery Time: Typically 3–5 business days
- Courier: DHL International
Delivery times may vary depending on your location and customs processing.
United States
- Flat Rate Shipping: £60.00
- Delivery Time: Typically 3–5 business days
- Courier: DHL International
Rest of the World
- Delivery Time: Typically 3–10 business days
- Courier: DHL International
Shipping charges for destinations outside our standard shipping regions will be calculated at checkout where applicable. Delivery times vary depending on destination and customs clearance.
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For consumer purchases, responsibility for the goods remains with Boat Parts Superstore until your order has been delivered to the address provided, in accordance with applicable UK consumer legislation.
For business-to-business (B2B) transactions, unless otherwise agreed in writing, the risk of loss or damage passes to the customer once the goods have been collected by the carrier from our premises. We will gladly assist with any courier claims where possible, however claims relating to transit loss or damage remain subject to the courier's terms and conditions.
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Have another question? Just give us a call on +44 (0)1752 604603 or email us info@boatpartsuperstore.com
Returns & Warranty
We want you to be completely satisfied with your purchase. If you need to return an item, please contact our team within 14 days of receiving your order. Products must be returned unused, in their original packaging and in a resaleable condition unless they are faulty.
If your item arrives damaged or you believe it to be faulty, please contact us as soon as possible so we can advise on the appropriate next steps.
All product warranties are provided solely by the manufacturer and are subject to the manufacturer's own terms, conditions and warranty period. Any warranty claim must be made in accordance with the manufacturer's warranty process.
Please note that special order or bespoke items may not be eligible for return unless they are faulty or supplied in error.