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Battery to Battery Charger / Maintainer 12V to 12V / 3A, Pro Batt M
Battery to Battery Charger / Maintainer 12V to 12V / 3A, Pro Batt M
Battery to Battery Charger / Maintainer 12V to 12V / 3A, Pro Batt M
Battery to Battery Charger / Maintainer 12V to 12V / 3A, Pro Batt M
Battery to Battery Charger / Maintainer 12V to 12V / 3A, Pro Batt M

Battery to Battery Charger / Maintainer 12V to 12V / 3A, Pro Batt M

show customer reviews Article No.: BM12123 Shipping weight: kg per piece, Shipping as parcel Availability: stock Lieferfrist: 1 to max. 5 working days *
89,00 EUR incl. statutory VAT 19%
plus Shipping costs

Battery - to - Battery Charger / Maintainer Pro Batt M

12V to 12V, max. 3A, IP68

for Car, Boat, Camper, Solar, Motor home, Solar

The battery maintainer is a charging device that enables an extra battery bank to be kept 'topped up' from the main battery bank which has the charging device(s) connected to it (e.g. battery charger, solar cell / wind turbine etc). The unit transfers approximately 3A (12V) and requires the charging devices to be turned on to work. It is best suited at keeping a starter battery topped up and maintained by the charge that your house bank receives.

How does it work?
This unit is activated when the main battery has reached about 13.3V and allows excess power to be transferred from the primary charging system to charge / maintain an auxiliary battery bank. Please note that this product has no fast charge / boost ability but simply mirrors the input voltage with a small voltage drop (depending on the current flow), the final charge voltage would be around 0.2V lower than the primary charge voltage. This is more than enough to keep a battery topped up and supply any small loads, such as: the battery internal discharge and the engine management system discharge (up to about 1A continuous). This product should not be used on a battery with a sustained heavy discharge or drain as it does not have the ability to pass high currents, for higher currents see the Voltage Sensitive Relays or the Battery to Battery Chargers sections of the catalogue.
This maintainer has the ability to charge and maintain the charge, even if the battery is low (in a long time frame for example a 100A battery at 50% discharge could take about 1-2 days) it would never do this if the current discharge from that battery is in excess of 2A.

Power Saving
The battery maintainer uses FETs instead of relays and as such uses very little power itself (less than 1mA). This allows your solar harvest to be more efficiently distributed rather than lost across inefficient relays.

Installation
It is simple to install and is a low cost product. Saving time on installation and money on repeatedly replacing destroyed flat batteries.

Delivery contains:

  • Battery to Battery Charger 12V/12V 3A Pro Batt M

Further helpfull informations you will find here: FAQ Seite

Technical Details:

  • Nominal Input voltage: 12V DC
  • Nominal Output voltage: 12V
  • activating voltage: Primary Battery >13,3V
  • deactivating voltage: Primary Battery <12,8V
  • Charging voltage: 0,2V < as input voltage
  • Standby current: <2mA
  • charging current: max. 3A
  • Protection: IP68
  • Fan: no Fan
  • Connection wires: 1 meter, AWG12 / 4mm²
  • Dimensions (LxWxH): 140 x 45 x 40mm
  • Weight: 0,5kg

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You have questions regarding the order process or the item?

Just contact an employee of our customer service team.

You can reach us by phone from Monday to Friday between 8:00 and 18:00 clock.
Tel: +49 6024 6341 560 or by fax +49 6024 6341 569
Of course we are also available via e-mail: kontakt@fraron.de


You would like to see the product before you purchase it, or you need personal conversation?

In case you like you can see all items in our show room in Mömbris.
We are also available from Monday to Friday between 8:30-12:30 and 13:30.18:30


What payment methods are available?

  • Cash / EC card payment for pick-up in the office branch in Schöllkrippen
  • Transfer / Payment by bank transfer
  • COD ( cash on delivery is only available for parcel shipments within Germany ) You pay the shipment at the deliverer.
  • PayPal including Buyer Protection (for EU countries plus Liechtenstein, Norway, Iceland)
  • Credit Card (Visa / Mastercard)


How long is the delivery-time / transportation-time

The stock status is indicated on the product page. In stock items will be shipped according to the method of payment or immediately after payment.
Transportations within Germany handed by DHL, abroad by DHL or DPD.
The transportation-time in Germany will be 1-2 business days. DHL deliver also on Saturday in Germany.
Forwarding goods like batteries we ship via the forwarder Emons, the terms range from 2-3 business days within Germany and abroad can not be stated flat rate, please contact us.

Customer reviews

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