Can you use this on an AGM or lead acid battery too?

This charger has the special programming for charging and protecting Li batteries. CTEK Offers other excellent chargers for other type batteries. The short answer is no.

Why does this "lithium charger" have a "desulphation" charging phase?

Good catch :) the diagram on this page is incorrect for this charger. Go pick up the manual (its online). Step 1 is ACCEPT. I've been very happy with mine, 2+ years ownership.

Can i leave it on all winter or should i remove it from time to time? i have an f80 m3 as another individual. thanks!

I keep mine hooked up all the time when the vehicle is not in use. I have mine for about two years without any issues. The CTEK is build to keep battery at optimum level, never over charging, but maintaining. You shouldn't have any issues leaving hooked during the winter.

Do i have to buy multiple chargers for acid,agm and lithium?

You can use same charger for acid and agm but lithium charger is only for lithium batteries

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56-926 Lithium US | Fully Automatic Lithium Ion Phosphate LiFePO4 Battery Charger | 5.0Ah - 60Ah | Maintenance Charging up to 120Ah

Product ID: 6838915

Details

Brand
CTEK
Color
Silver/Black
Item Weight
1.8 pounds
Output Voltage
14.4 volts
Product Dimensions
5.6"D x 11.8"W

⚡4.3A fast charging

🔋Supports 5-60Ah batteries, maintains up to 120Ah

🛡️8-step patented LiFePO4 battery care

₱17185

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Sold byAmazon PhilippinesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔌 Charge smarter, last longer—never get left powerless again!

SAFETY FIRST ALWAYS - Spark-free start and reverse polarity protection keep you and your vehicle safe every time.
EFFORTLESS PLUG PLAY - Connect and forget with simple, fully automatic operation—no manual fuss.
VERSATILE CAPACITY RANGE - Charges 5.0Ah to 60Ah batteries and maintains up to 120Ah, perfect for all your LiFePO4 needs.
ULTIMATE BATTERY LONGEVITY - Patented 8-step charging and maintenance program extends LiFePO4 battery life like no other.
CLEAN STABLE POWER DELIVERY - No voltage spikes or surges—ensuring your vehicle’s electrical system stays flawless.

The CTEK 56-926 Lithium US is a fully automatic 12V LiFePO4 battery charger designed for 5.0Ah to 60Ah batteries, with maintenance charging up to 120Ah. Featuring a patented 8-step charging process, it ensures optimal battery health and longevity while delivering clean, spark-free power with built-in safety protections. Compact and user-friendly, it’s the go-to charger for professionals and enthusiasts who demand reliable, hassle-free battery care.

Specifications

ASIN	B00EUF6UM8
Amperage	4.3 A
Best Sellers Rank	#22,077 in Automotive ( See Top 100 in Automotive ) #120 in Battery Chargers
Brand	CTEK
Built-In Media	LITHIUM US CHARGER 12V
Color	Silver/Black
Compatible Devices	LiFePO4 batteries
Current Rating	4.3 A
Customer Reviews	4.7 out of 5 stars 854 Reviews
Global Trade Identification Number	07350009569262
Input Voltage	120 volts_of_alternating_current
Item Dimensions D x W x H	5.6"D x 11.8"W x 2.1"H
Item Type Name	LITHIUM US CHARGER 12V
Item Weight	1.8 pounds
Manufacturer	CTEK
Mfr Part Number	56-926
Model Number	56-926
Number of Items	1
Output Voltage	14.4 volts
Product Dimensions	5.6"D x 11.8"W x 2.1"H
Specification Met	CEC
UPC	608067725333
Unit Count	1 Count
Warranty Description	LIMITED WARRANTY

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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₱17185

Duties & taxes included

In stock

Sold byAmazon PhilippinesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Philippines.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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