Capacity of my lithium battary is 100ah, if it discharge 70 %,would this charger to charge battery to full capacity?

Yes, provided that your battery cells are in good condition and are able to take/hold a charge, this charger will charge it to 100%

Will this charge lithium iron batteries like Shorai?

I've been using it on my Shorai battery for about 1 year and it works Great!

Can I get it with eu plug?

We don't offer the EU plug, but it can be used with an EU plug (100-240V).

How long will it take to charge 80 as (group 27) lithium lifepo4 battery? 20 hours, or few days? thanks

Instructions say it will take 125% of the battery AH capacity for the battery to charge, so I assume you multiply your amp hours by 125% to get a rough estimate

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OptiMATE Lithium 4s 0.8A, TM-471, 8-step 12.8V 0.8A sealed battery saving charger & maintainer

OptiMATE Lithium 4s 0.8A, TM-471, 8-step 12.8V 0.8A sealed battery saving charger & maintainer

Product ID: 17483206

Details

Brand
OptiMate
Color
Black Blue Red
Item Weight
16 ounces
Output Voltage
12 Volts (DC)
Product Dimensions
6"D x 8"W x

⚡0.8A precise charging current

🔋8-step lithium-specific charge cycle

🛡️Integrated BMS wake-up & protection

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Description

🔋 Charge smarter, last longer — never get stranded again!

CONNECT FORGET - Fully automatic operation means zero babysitting, just plug in and relax
BMS SAFE WAKE MODE - Seamlessly interfaces with battery management systems for ultimate safety
SMART LITHIUM REVIVAL - Resurrects deeply discharged LiFePO4 batteries others give up on
8 STEP PRECISION CHARGE - Tailored multi-stage charging optimizes battery health & longevity
PROACTIVE BATTERY HEALTH CHECK - Continuous pre/post charge testing warns you before battery failure hits

The OptiMATE Lithium 4s 0.8A TM-471 is a premium 12.8V sealed lithium battery charger and maintainer designed specifically for LiFePO4 chemistries. Featuring an 8-step charging algorithm and integrated BMS wake-up mode, it safely revives and maintains batteries that other chargers can’t. With automated testing and cell balancing, it ensures optimal battery health and longevity, making it the go-to choice for professionals who demand reliability and peace of mind.

Specifications

ASIN	B00Y38X7WI
Amperage	0.8 Amps
Battery Charge Time	6 Hours
Best Sellers Rank	#32,679 in Automotive ( See Top 100 in Automotive ) #167 in Battery Chargers
Brand	OptiMate
Built-In Media	Battery Charger, Battery Lead, Battery Clips
Color	Black, Blue, Red, Silver
Connector Type Used on Cable	clamps and ringlet connector
Current Rating	0.8 Amps
Customer Reviews	4.7 out of 5 stars 761 Reviews
Global Trade Identification Number	05425006145718
Input Voltage	12 Volts
Item Dimensions D x W x H	6"D x 8"W x 3"H
Item Type Name	OptiMate Lithium 4s 0.8A, TM471, 8-step 12.8V 0.8A Lithium Expert Battery Saving Charger & Maintainer
Item Weight	1 Pounds
Manufacturer	OptiMate
Mfr Part Number	TM-471
Model Number	TM-471
Number of Ports	1
Output Voltage	12 Volts (DC)
Product Dimensions	6"D x 8"W x 3"H
Specification Met	CEC
Unit Count	1.0 Count
Warranty Description	3 Years

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