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

🔋5-60Ah battery range

🛡️8-step patented care

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Description

🔌 Charge smarter, last longer—never miss a beat with CTEK Lithium US!

SAFE SURGE FREE - Reverse polarity protection and clean voltage delivery protect your vehicle’s electrical system.
COMPACT POWERHOUSE - Lightweight 1.8 lbs design with 14.4V output fits seamlessly into any professional toolkit.
EFFORTLESS PLUG PLAY - Connect and forget with simple, spark-free operation—no battery removal needed.
PRECISION 8 STEP CHARGING - Patented program tests and maintains battery health for peak LiFePO4 performance.
ULTIMATE BATTERY LONGEVITY - Float and pulse maintenance extend battery life even during long inactivity.

The CTEK 56-926 Lithium US is a fully automatic 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 safe, spark-free operation with reverse polarity protection and clean voltage delivery. Compact and lightweight, it maximizes battery life and performance with float and pulse maintenance, making it the go-to charger for professionals demanding reliability and longevity.

Specifications

ASIN	B00EUF6UM8
Amperage	4.3 Amps
Best Sellers Rank	#24,109 in Automotive ( See Top 100 in Automotive ) #132 in Battery Chargers
Brand	CTEK
Built-In Media	LITHIUM US CHARGER 12V
Color	Silver/Black
Compatible Devices	LiFePO4 batteries
Current Rating	4.3 Amps
Customer Reviews	4.8 4.8 out of 5 stars (844)
Global Trade Identification Number	07350009569262
Input Voltage	120 Volts (AC)
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
Output Voltage	14.4 Volts
Specification Met	CEC
UPC	608067725333
Unit Count	1.0 Count
Warranty Description	LIMITED WARRANTY

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152941CFA

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In stock

Sold byAmazon SenegalDelivered 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 Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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