Battery To Battery Charger Boost Schaudt WA 121525

25A charging current, input current 28A, input voltage 12,0V-14,7V, output voltage 14,7V

Item Code 321495
Manufacturer Schaudt
Product Weight 0.40 kg
Packed Weight 0.50 kg
Dimensions 130 x 47 x 90 mm (LxWxH)
Shipping Parcel Post

Regular Price: €175.06

Special Price Excl. Tax: €131.29 Incl. Tax: €157.55



The Booster WA121525 is designed for optimum recharging of 6-cell 12V lead acid, lead-gel AGM and lithium batteries in travel trailers, regardless of the generator voltage.


  • Suitable for AGM, Gel, Flooded and Lithium batteries
  • Optional temperature sensor

Item Code 321495


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Parcel Post

Fast and safe shipping from Germany

All products of the Phaesun catalog are shipped from Memmingen, Germany with FedEx or GLS and when in stock, they are usually delivered in most European countries around 5 business days after ordering. The SOLARA products are shipped from Hamburg, Germany with UPS and they are usually delivered around 7 business days after ordering. UPS rates cannot be calculated automatically, so you may need need to consider additional charges (around 10 euros more) from what you see as shipping charges when you add the item(s) in the cart, please contact us for the exact cost before ordering. The Sunerg products are shipped from Italy and their shipping cost will also depend from the final destination, please contact us for more detais.

You may also choose to collect the items from any GLS ParcelShop or FedEx Pick-Up Point, please contact us if you wish to do so.

Worldwide shipping, ask us for a quote.

Road Cargo

Oversize products such as solar panels longer than 1,5 meters, batteries that weigh more that 15 kg and products that weigh more than 50kg are shipped with road freight the cost of which depends on the postal code the final destination and cannot be calculated automatically, please contact us for more details.


Certain batteries have longer lead times, for the Sonnenschein batteries the lead time is around 15-20 weeks, please contact us for a shipping estimate before ordering. 

For more details please see our Shipping section here>>>

More Info


Our catalog contains more than 2000 high quality and reliable products from the best manufactirers with long warranty periods proven in the field, and always the latest versions of the products. We are distributors of leader companies in off-grid solar with more than 20 years experience.

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​​​​​Secure payment via PayPal or Bank Transfer, please contact us for our bank account details.

We issue invoices with VAT shown separately, EU VAT registered businesses or buyers from other non-EU countries, may qualify for a VAT-free invoice. We'll refund you the VAT if you send us your business VAT number when ordering. There is no VAT applicable for Norway & Switzerland, please contact us for more information. 


Please don't hesitate to contact us for technical or other questions or if you can't find what you're looking for. The best way to contact us is via email or chat, we respond to most requests in less than 24 hours. We can help you find the right product or propose you a customized solution, please consult our off-grid systems overview here.

Ask us for a quote

Special prices for businesses and larger quantities, please ask us for a quote.


If you change your mind about the pirchase you can return us the products and get a refund or exchange it for up to 14 days from the day you received it, provided that it is still in its new, unused conditon and with its original packing, the buyer pays for the shipping costs. Please contact us before so we can give an RMA number and the address of return. We have a really low, approching zero rate of returns because we sell quality products.


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