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 power

🔋800mA smart charging current

🛡️ETL/UL multi-level safety

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VT12704

Duties & taxes included

In stock

Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔌 Power up smart, stay charged longer!

ENERGY SAVING STANDBY - Zero power drain in standby mode keeps your energy bills low and battery safe.
PLUG PLAY SIMPLICITY - Connect and forget—automatic charging and maintenance with a 24-hour timer for hassle-free use.
SAFETY FIRST CERTIFIED - ETL/UL approved with overcharge, short circuit & reverse polarity protection for peace of mind.
SMART AUTO DESULFATION - Pulse current tech revives and optimizes battery life without lifting a finger.
ALL WEATHER VERSATILITY - Reliable charging & maintenance for all 12V lead-acid batteries—AGM, gel, flooded.

The MOTOPOWER MP00205A is a compact, fully automatic 12V 800mA battery charger, maintainer, and desulfator designed for all lead-acid battery types. Featuring advanced pulse current technology, it automatically detects and reverses sulfation to extend battery life. ETL/UL certified with multi-level safety protections and energy-saving standby mode, it offers effortless plug-and-play operation with a built-in 24-hour timer to optimize charging and maintenance cycles.

Specifications

ASIN	B06XWDZ2KQ
Amperage	800 Milliamps
Best Sellers Rank	#10,445 in Automotive ( See Top 100 in Automotive ) #38 in Battery Chargers
Brand	MOTOPOWER
Built-In Media	Battery Charger/Maintainer, Alligator Clamp Cable, Ring Terminal Cable, Instruction Manual
Color	black
Current Rating	0.8 Amps
Customer Reviews	4.5 4.5 out of 5 stars (15,051)
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
Manufacturer	MOTOPOWER
Mfr Part Number	MP00205A
Model Number	MP00205A
Number of Ports	1
Output Voltage	12 Volts
Specification Met	CE
UPC	709046785017

Reviews

S**R

Best fo price

Compact Works perfectly Easy Clear instruction Recommend for all

7.08.2022

C**N

This trickle charger was worth the price. It did exactly what I needed. Instructions were simple. Great features and easy to use. It was compatible with my car battery and my lawnmower garden tractor. The size is perfect. Very functional for if I need to leave it on for extended time. Will recommend it to others.

28.03.2026

W**.

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

J**C

Works great. I purchased a battery from Costco with manufacturing date 6 month ago. ChatGPT suggested that it should be fully charged before installing otherwise it may shorten the battery life. I purchased this charger and charged it for a few hours till the voltage is high enough. It never reached to a full charge though as the light has blinked (trickle charge) for hours as opposed to static (fully charged). Overall very pleased. It can also be used for jumping start if battery dies.

9.03.2026

M**1

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

A**R

Easy to use and works as expectes

15.03.2021

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