BikeMaster Battery Charger/Maintainer

Q: Can I leave it connected all winter?

My battery charger/maintainer is always connected to my motorcycle from about September through about May. It may or not be connected when the weather is consistently 60 degrees or warmer, since the bike starts without the battery needing to be charged when it's warm. Cold or really cold weather really seems to take a tool on motorcycle batteries. I will also say that it's very easy to use the charger, meaning that mounting it on a surface is easy and connecting the leads to the battery itself is easy.

Q: Will this work to charge a batter that is completely dead? I've hooked it up to the batter in my motorcycle, but the light is not coming on.

It appears the battery may need replacement if no light comes on when you connect it to the charger.

Q: What size fuse is needed for this charger?

I'm not sure I understand the question. I just hooked the charger up to my bike without worrying about the fuses on the bike.

Q: I just received this and can't seem to get it working. The charging light will not turn on. Any ideas on if it is a dud or is it something I'm doing?

I’ve had this happen a few times and ended up exchanging the battery maintainer. It WAS NOT because the battery was dead. I tested them on several batteries before returning.

Product ID: 105544434

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Details

Brand
BikeMaster
Color
Black
Item Weight
0.6 Pounds
Output Voltage
12 Volts
Input Voltage
12 Volts

⚡750mA constant charge output

🔋Supports all 12V lead acid battery types

🛡️Auto protection: reverse polarity, overcharge, short circuit

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BikeMaster Lithium-Ion Battery 2.0

Description

🔋 Never get stranded—charge smart, ride ready!

AUTOMATIC SAFETY PROTECTIONS - Reverse polarity, overcharge, and short circuit safeguards for worry-free use
DURABLE COMPACT CHROME DESIGN - Sleek, lightweight (9.6 oz) charger built to last with a 5-year warranty
UNIVERSAL 12 V BATTERY COMPATIBILITY - Works seamlessly with Wet, FA, AGM, and Gel batteries
CONTINUOUS MONITORING AUTO RESTART - Battery voltage monitored constantly; charging resumes only when needed
SMART 750 M A BULK MAINTENANCE CHARGING - Keeps your battery perfectly topped off without overcharging

The BikeMaster Battery Charger/Maintainer delivers a steady 750mA charge to all 12V lead acid batteries, including Wet, FA, AGM, and Gel types. Featuring fully automatic operation with built-in protections against reverse polarity, overcharging, and short circuits, it ensures your battery stays in peak condition. Its smart maintenance mode monitors voltage and recharges only when necessary, allowing safe, continuous connection. Compact and durable with a chrome finish, it comes backed by a 5-year warranty for reliable, long-term use.

Specifications

Manufacturer	BikeMaster
Brand	BikeMaster
Model	BikeMaster Battery Charger/Maintainer
Item Weight	9.6 ounces
Product Dimensions	9 x 5.5 x 4 inches
Item model number	TE4-0237
Is Discontinued By Manufacturer	No
Exterior	Chrome
Manufacturer Part Number	TE4-0237

Have a Question? See What Others Asked

Can I leave it connected all winter?

Will this work to charge a batter that is completely dead? I've hooked it up to the batter in my motorcycle, but the light is not coming on.

What size fuse is needed for this charger?

I just received this and can't seem to get it working. The charging light will not turn on. Any ideas on if it is a dud or is it something I'm doing?

Reviews

B**S

BIKEMASTER BATTER MAINTAINER/CHARGER

To use a line from a recent movie, "So far, so good." After years of storing my motorcycle (in my garage, at least) during the winters (here in Nebraska where it can get below zero degrees Fahrenheit) and having the battery run down and then needing to be charged before I could start the bike and ride it, I finally bought this maintainer/charger. It hooked up to the battery easily and I could mount the charger pretty easily to a shelf fairly close to the bike. The charger indicates (by red light or green light) when it's charging or when it's charged. I've started the bike a few times since then in about 20 degree weather and it's fired right up. So, I haven't owned the charger for very long, but so far, so good. Based on my short experience with the charger, it works well and is not expensive.

21.12.2021

M**.

Good buy

Love these had on 4 wheeler all winter and it started right up

8.03.2025

D**R

As advertised

I use this for my zero turn mower and my honda grom. Does what it should, keeps the battery charged when I don't use them enough. It's very comforting knowing that whatever it's plugged in to will start right up.

12.10.2023

C**C

Battery tender would buy again

Great battery, tender for the price would buy again

19.12.2023

A**R

Not good

This is my second bike master battery charger and Both of them stopped working after a few charges so be forewarned about this brand because I went back to him thinking after the first one it was a fluke but now my second one has gone out. Good luck

1.05.2022

D**N

Never a problem

Works great

27.09.2023

Z**S

Ecxelente

Excelente

1.05.2024

L**E

Works well

All ok

20.06.2023

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