A
Alex P.Verified Buyer
01/09/2025
Fast shipping too
Impressed with the quality for the price. Will be back for more.
CTEKCTEK 40-658 NXT 5 Fully Automatic 4.3 amp Battery Charger and Maintainer 12V
$121.99
FREE delivery · Delivery by Oct 18
- Free shipping over $25
- Next-business-day ship
- Easy returns
Guides & Resources
Product guides for this item are not available online yet. Contact us if you need documentation.
Shipping Information
Free shipping on orders over $25. Most items ship next business day after your order is placed.
Returns Policy
Returns are accepted when the product is in its original, unopened container. Contact us if you have questions about your order.
Product facts
About This Item
- All-in-one 12 V charger: Supports lead-acid (WET, MF, Ca/Ca, AGM, EFB, GEL) and lithium-ion (LiFePO₄) batteries from approx. 1.2 Ah up to 160 Ah.
- “Connect & Forget” convenience: Fully automatic operation — simply connect, select the mode, and let it manage the rest; great for cars, motorcycles, seasonal storage and more.
- Safe, user-friendly design: Spark-free operation, reverse polarity protection, compact robust housing (IP65 rated), and included Connect U-terminal for a permanent battery mount.
- Revives & reconditions exhausted batteries: Built-in desulphation and “Recond” modes recover deeply discharged or sulphated lead-acid batteries — extending battery life and performance.
- Automatic temperature compensation: Smart temperature sensors adjust the charging voltage for extreme hot or cold conditions (-4 °F/ -20 °C to +122 °F/ +50 °C) for optimal results.
- *Recondition your battery once per year and after deep discharge to maximize lifetime and capacity.
Details
Product Description
All-in-one 12 V charger: Supports lead-acid (WET, MF, Ca/Ca, AGM, EFB, GEL) and lithium-ion (LiFePO₄) batteries from approx. 1.2 Ah up to 160 Ah.
“Connect & Forget” convenience: Fully automatic operation — simply connect, select the mode, and let it manage the rest; great for cars, motorcycles, seasonal storage and more.
Safe, user-friendly design: Spark-free operation, reverse polarity protection, compact robust housing (IP65 rated), and included Connect U-terminal for a permanent battery mount.
Revives & reconditions exhausted batteries: Built-in desulphation and “Recond” modes recover deeply discharged or sulphated lead-acid batteries — extending battery life and performance.
Automatic temperature compensation: Smart temperature sensors adjust the charging voltage for extreme hot or cold conditions (-4 °F/ -20 °C to +122 °F/ +50 °C) for optimal results.
Recondition your battery once per year and after deep discharge to maximize lifetime and capacity.
Technical data
Product Specifications
- <li class="a-spacing-mini"><span class="a-list-item">All-in-one 12 V charger
- Supports lead-acid (WET, MF, Ca/Ca, AGM, EFB, GEL) and lithium-ion (LiFePO₄) batteries from approx. 1.2 Ah up to 160 Ah.</span></li>
- <li class="a-spacing-mini"><span class="a-list-item">Safe, user-friendly design
- Spark-free operation, reverse polarity protection, compact robust housing (IP65 rated), and included Connect U-terminal for a permanent battery mount.</span></li>
Brand
Brand Story
CTEK brand
Brand
CTEK
CTEK products available at District Mailing Auto.
Storefront
At District Mailing Auto
Browse the CTEK products we carry in the Auto catalog.
Next
Shop CTEK
Open the CTEK brand page to see every item currently in stock.
Customer Reviews
4.5
Based on 15 reviews
S
Sam T.Verified Buyer
03/22/2025
Great quality
Exactly as described. Good value and I would order again.
R
Riley N.Verified Buyer
06/08/2025
No complaints
Quick delivery and the product exceeded my expectations.
M
Maria K.Verified Buyer
08/17/2025
Would buy again
Does what it is supposed to do. Happy with this purchase.
T
Ted R.Verified Buyer
02/03/2025
Works perfectly
Setup was simple and it has worked reliably since day one.
P
Pat M.Verified Buyer
11/28/2025
Better than expected
Reliable product and smooth buying experience on this site.
C
Chris W.Verified Buyer
07/05/2025
Highly recommend
Good experience overall from checkout to delivery.
J
Jordan L.Verified Buyer
04/15/2025
Very happy with this
Packaging was secure and the item was in perfect condition.
E
Emma S.Verified Buyer
12/14/2025
Exactly what I needed
Easy to order and arrived quickly. Product matched the listing and works great.
D
Dana H.Verified Buyer
10/02/2025
Solid purchase
Quality feels premium and it fits my needs well.
A
Alex P.Verified Buyer
01/09/2025
Fast shipping too
Impressed with the quality for the price. Will be back for more.
S
Sam T.Verified Buyer
03/22/2025
Great quality
Exactly as described. Good value and I would order again.
R
Riley N.Verified Buyer
06/08/2025
No complaints
Quick delivery and the product exceeded my expectations.
M
Maria K.Verified Buyer
08/17/2025
Would buy again
Does what it is supposed to do. Happy with this purchase.
T
Ted R.Verified Buyer
02/03/2025
Works perfectly
Setup was simple and it has worked reliably since day one.