Bluetti D40 DC-DC Battery Charger battery charger
Brand: SKU: 60287

Bluetti D40 DC-DC Battery Charger

£189.00 £149.00
Sold out
Pay in 3 £49.67×3
Pay in 4 £37.25×4
PayPal £49.67×3
Home Delivery Home delivery, Evri pickup & selected next day
Out of stock
  • This item is currently unavailable
  • Contact us for the latest restock estimate
  • We can recommend a suitable in-stock alternative
Returns
  • 30-day returns on unused items
  • Used items cannot be returned for change of mind
Collection Options Store collection and Evri Collection Points
Store Collection
  • Collect selected orders from our Nuneaton workshop
  • If stock is not already at the workshop, we can usually transfer it here for collection
  • To choose this option, go to checkout and select Pickup in store
  • We will confirm when your order is ready before you travel
Please wait for our confirmation before visiting, as some products need to be transferred to the workshop first.
Evri Collection Points
  • Evri Collection Points may be available at checkout for suitable smaller parcels
  • This is usually best for smaller general products only
  • At checkout, choose the Evri Collection Point or pickup option if it is shown
  • Larger, heavier or oversized items may require home delivery instead
Collection point availability depends on item size, postcode, courier eligibility and checkout options.
Warranty & Price Promise Cover, exclusions and matching policy
Portable Power Warranty
  • Cover varies by brand and model. See our warranty page for full terms.
  • Manufacturer cover usually applies to defects under normal use.
  • Batteries, cables, adapters, ports and accessories may differ.
  • Damage, liquids, misuse, poor storage and modification are usually excluded.
Warranty Page
Price Promise
  • We price match genuine UK retailer offers before you order
  • We will not be beaten on price where the product, specification, stock status and delivery terms match
  • Send us the live link and we will check the same brand, model, colour, condition and delivery terms
  • UK retailers only. Marketplace sellers, used items, finance-only deals, code-only deals, clearance pricing and pricing errors may be excluded
Contact Us
Payment Options at Checkout Flexible payment options from trusted providers
PayPal CREDIT
Pay Monthly with PayPal Credit
Representative APR (variable) 23.9%
T&C's apply.
clearpay
Pay in 4 with Clearpay
4 interest free payments of £0.00
T&C's apply.
Klarna.
Pay in 3 with Klarna
3 monthly payments of £0.00
T&C's apply.
Pay Monthly
Payment Options at Checkout
From 3 to 12 months, product dependent
Options shown at checkout.
Pay monthly and split payment options are shown at checkout. Availability depends on order value, product, eligibility, provider checks and provider terms.
Payment options
Bluetti Official Bluetti Warranty Manufacturer cover, replacement parts and product support Included
Warranty period
Manufacturer warranty included. The exact warranty period and component cover depend on the product and manufacturer.
What’s covered
Confirmed manufacturing defects affecting the original product within the applicable manufacturer warranty period.
Parts and support
TrailSurge can assist with warranty queries, technical support and available replacement parts or accessories. Please contact us with your order number, product model and details of the part or issue.
Full warranty policy WhatsApp support Contact us
Manufacturer cover is provided in addition to your statutory consumer rights.

Description

The Bluetti D40 DC-DC Battery Charger is built for customers who want reliable vehicle, RV or marine charging for a compatible BLUETTI setup. Designed to complement the AC200L, it helps charge and manage 12V power systems while travelling, working remotely or living off-grid.

Key specs and highlights

  • Compatible model: BLUETTI AC200L
  • DC output: 12V, 30A, 400W max
  • Battery compatibility: LiFePO4, AGM/gel, lead-acid and calcium batteries
  • Use case: RV, campervan, marine and mobile power installs
  • Protection: designed with house/starter battery protection features
  • Function: can help support 12V RV appliances when paired correctly

Ideal for

  • Campervan, motorhome and boat electrical setups
  • Customers using an AC200L as part of a mobile energy system
  • Off-grid users who want safer and more structured DC-DC charging

Note: Confirm compatibility with your BLUETTI model and vehicle battery setup before installation.

Explore more Bluetti power stations, solar panels and accessories at TrailSurge UK.

For more off-grid charging options, compare this Bluetti unit with our portable power stations and compatible portable solar panels.