Can I used to booster the dead battery in my car

A small car battery can easily hold 60 amp hours. At .8 amps per hour (but only 80% efficient), it would take almost 100 hours to charge. That is, mathematically. However, this is not made to charge a dead battery (or even a low battery). It is made to keep a properly charged battery from becoming discharged. The most important thing--if a battery does not show a sufficient charge when you attach the charger leads, the charger will not turn on. It needs to know it is hooked to a battery, and not just shorted out, so it looks for at least a few volts. So...........no.

How long can the charger be hooked up to the battery on a motorcycle in maintenance mode?

The charger maintains the battery at approximately 13.6 to 13.7 volts DC. It should be safe to leave this charger connected to batteries indefinitely when the ambient temp is 50F or below -- the lower the ambient temp is the more voltage a battery can handle. I have my Motopower chargers hooked up to my boat and Sea Doo batteries, and I plug them for about 24 hours every couple weeks to keep them topped off. The only batteries that I keep connected full time are my tractor and whole-house generator, and I use a "true float" maintainer that automatically "goes to sleep" when the battery reaches its full charge (each battery has its own full charge voltage level).

How long is the power cord and how long is the other (battery supply?) cord? Thanks in advance.

The AC power cord is about 25inches, while the DC cable is about 5ft. The SAE alligator clamps cable and the SAE ring terminal cable are both at the length of 15inches. Thank you!

Will this charger consume energy if left hooked up to the battery? does any led lights stay on when unplugged from 120v but still hooked to the batter

Hi no. No lights should be on when charger is not plugged in to power even while the connectors are still connected to the battery.

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MOTOPOWER MP00205A 12V 800mA Fully Automatic Battery Charger/Maintainer for Cars, Motorcycles, ATVs, RVs, Powersports, Boat and More. Smart, Compact and Eco Friendly

Product ID: 256785441

Details

Brand
MOTOPOWER
Colour
black
Item weight
300 Grams
Output voltage
12 Volts
Product dimensions
5.1D x 10.4W x

⚡12V output for versatile vehicle compatibility

🔋800mA smart charging & maintenance current

🛡️ETL/UL certified multi-level safety protection

¥9010

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

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Description

🔌 Power up smartly, stay charged effortlessly!

PLUG PLAY SIMPLICITY - Just connect and go—fully automatic charging and maintenance with a built-in 24-hour timer for optimal battery health.
SMART DESULFATION TECH - Automatically detects and reverses battery sulfation to extend battery life without manual effort.
ALL IN ONE BATTERY CARE - Charge, maintain, and desulfate your 12V batteries effortlessly with one compact device.
CERTIFIED SAFETY ASSURANCE - ETL/UL certified with overcharge, short circuit, and reverse polarity protection for worry-free operation.
ECO FRIENDLY ENERGY EFFICIENT - Zero power draw in standby mode and spark-free connection for safe, sustainable use.

The MOTOPOWER MP00205A is a compact, fully automatic 12V battery charger and maintainer delivering 800mA of smart current. It features advanced pulse current desulfation technology to optimize battery performance and extend lifespan. ETL/UL certified with multi-level safety protections, it supports a wide range of vehicles including cars, motorcycles, ATVs, RVs, and boats. Designed for energy efficiency and ease of use, it automatically switches to maintenance mode with a 24-hour timer, ensuring your battery stays healthy without any manual intervention.

Specifications

ASIN	B06XWDZ2KQ
Amperage	800 Milliamps
Best Sellers Rank	#10,055 in Automotive ( See Top 100 in Automotive ) #48 in Battery Chargers
Brand	MOTOPOWER
Built-In Media	Battery Charger/Maintainer, Alligator Clamp Cable, Ring Terminal Cable, Instruction Manual
Color	black
Colour	black
Compatible Devices	cars, motorcycles, ATVs, RVs, water sports, boats
Current Rating	0.8 Amps
Customer Reviews	4.5 out of 5 stars 15,848 Reviews
Global Trade Identification Number	00709046785017
Input Voltage	12 Volts
Item Dimensions D x W x H	5.1D x 10.4W x 3.8H centimeters
Item Weight	300 Grams
Item weight	300 Grams
Manufacturer	MOTOPOWER
Mfr Part Number	MP00205A
Model Number	MP00205A
Number of Items	1
Number of Packs	1
Number of Ports	1
Output Voltage	12 Volts
Output voltage	12 Volts
Product dimensions	5.1D x 10.4W x 3.8H centimeters
Specification Met	CE
Specification met	CE
UPC	709046785017

Reviews

S**R

Best fo price

Compact Works perfectly Easy Clear instruction Recommend for all

7.08.2022

C**.

Macht was er verspricht. Gutes Handling

Macht genau was er soll, einfache Montage, bis jetzt hält er alles Versprechungen und meine Batterie macht keine Problem mehr.

2.09.2026

W**.

ممتاز حسب التجربة

سهل الاستخدام، يعمل بصورة جيدة. استخدمته على سيارة بي ام التي استخدمها لفترات متباعدة. فحافظ على البطارية دون رسائل انخفاض الشحن التي تظهر على شاشة السيارة. المهم يتوصل بالطريقة الصحيحة. حتى لا تتاثر إلكترونيات السيارة.

9.01.2026

D**N

Perfect

Works great for my ruckus

31.08.2026

J**T

Super achat

Super merci

3.09.2026

M**1

Buena opcion

Son totalmente originales, funcionan muy bien para hacer una carga lenta a alguna bateria, lo cual puede ayudar a mantener la salud de la bateria, y como mantenedor de baterias funciona muy bien, siendo compacto no ocupa espacio y permite tener bien si se almacenan las baterias. Muy recomendable calidad precio

5.11.2024

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¥9010

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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