Battery Tender 10 Bank Multibank Charger - 40 AMP (4 AMPs Per Bank) - Selectable 12V / 6V - Smart and Switchable 12V Multi Battery Charger and Maintainer - 021-0134-DL-WH
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30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
Only 3 left in stock, order soon!
Arrives
Saturday, Sep 27
Features
- 10 Charging Stations: Charge up to ten 12 volt or 6 volt batteries at 4 AMPs simultaneously; automatically switches from full charge mode to float charge mode for optimal long-term battery health
- Connect and Forget: With a low maintenance design, our universal vehicle charger and maintainer is compact, lightweight, and easy to operate even in small storage space for your convenience
- Includes: One 10 Bank Multibank Charger Unit, ten separate alligator clips and a 6-foot AC power cord for simple and convenient use - 3 Year general limited warranty
- Extend Battery Life: Compatible with all 12V or 6V lead-acid, flooded, AGM, gel cell batteries, and 12V (LiFeP04) Lithium batteries; complete 4-step charging program works the battery with overcharging or discharging.
- Safety Features: This battery charger features reverse polarity protection, a 25-hour safety timer shutoff, and is designed for spark-proof operation
- Stay Charged: Provides a full charge to your vehicles battery before switching to float mode to maintain proper voltage levels for safe, long-term storage without overcharging
Brand: Battery Tender
Color: Black/Green
Product Dimensions: 7"D x 19"W x 7.5"H
Item Weight: 13 Pounds
Output Voltage: 12 Volts
Manufacturer: Battery Tender
Brand: Battery Tender
Model: Battery Tender 210134
Item Weight: 13 pounds
Product Dimensions: 22 x 15.4 x 10.2 inches
Country of Origin: China
Item model number: 210134
Is Discontinued By Manufacturer: Yes
Exterior: Painted
Manufacturer Part Number: 210134
OEM Part Number: 021-0134
Amperage: 2 Amps
Voltage: 12 Volts
Date First Available: December 1, 2006
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Sep 27
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Great charger. does switch between 6 and 12 volt per bank. expensive but worth it
Reviewed in the United States on May 1, 2023 by mark leiss
Have only owned the product for a month, but am completely satisfied. Does everything I would have expected. I collect motorcycles and never remove the batteries. I'm too lazy to move a charger from bike to bike. I've plugged in most of the bikes plus a car that I seldom use in the winter and leave them on. No worries. Only negative I've found is the leads from the charger to the battery are only 6 feet long. If you require more, you need to purchase a 25 foot extension. 31 feet is much more than I need. Wish I could purchase leads of 10 to 15 feet long.
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Reviewed in the United States on February 1, 2009 by AAB
The fact that I only need 1 of these units to maintain all the batteries that don't get used in the winter is great.
Reviewed in the United States on December 15, 2023 by Brandon Latimer
Bought two of these. Neither worked or functioned correctly. Turn it on and the lights all blink then go of. Hook up a battery and nothing. Push the select buttons, nothing. Don't waste your time or money.
Reviewed in the United States on February 2, 2025 by J. Weber
This product delivers as advertsied and then more. We have many vehicles, and products that require their batteries to be charged. We needed a product that could be left on 24/7, not over heat nor damage / kill all types of batteries. Additonally we wanted to see status of charge. This unit fits the bill. Plug and play. Have had many other brands prior. this unit beats them all. "Five stars"
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Reviewed in the United States on March 20, 2013 by Steven Nelson
Don’t normally post reviews but I’ve had this charger since Apr 2018 in NC... has not been turned off in over 2 years and has been charging back hoe, tractors, boats, gators, extra batteries with zero starting issues. We always had battery issues in the winter and this charger has been rock solid since we started using.
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Reviewed in the United States on December 16, 2020 by Amazon Customer Amazon Customer
I own 75 acres and have a lot of equipment with 12 volt batteries to maintain it. I have 8 or the 10 charging positions going most of the time, I absolutely think this is a must have in the winter too. I've had many batteries go bad because I don't remember to charge them every now and then during cold months. Now, I just keep them on the charger all winter ad haven't lost a single battery. I now have a charging station in my garage for 12 volt, 6 volt and 40 volt batteries. very convenient for me. This 12 volt charger is the center piece. The other chargers surround it.
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Reviewed in the United States on February 12, 2014 by Gerry
6V, 12V, flooded, AGM, even Lithium. This unit does it all!
Reviewed in the United States on July 10, 2022 by CMPinNE