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Battery Tender 021-0156 Battery Tender Plus 12V Battery Charger True Gel Cell Model
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| List Price: | $59.95 |
| Price: | $45.02 & eligible for FREE Super Saver Shipping on orders over $25. Details |
Availability: Usually ships in 24 hours
Ships from and sold by Amazon.com
13 new or used available from $38.27
Average customer review:
(53 customer reviews)
Product Description
The BatteryTender Plus 12V Battery Charger True Gel Cell Model is the most advanced charger/maintainer on the market especially designed for today's GEL acid batteries. The BT Plus uses micro-processor technology in a four stage charging profile to charge, improve, and float your battery so it is ready when your are. Constant current charging and regulated voltage patterns allow the battery to be recharged fully and safely without the fear of overcharging. GEL Batteries need a lower voltage recharge and the Deltran BatteryTender does this for your automatically.
Product Details
- Amazon Sales Rank: #395 in Automotive
- Size: --
- Color: Black
- Brand: Battery Tender
- Model: 021-0156
- Dimensions: 11.00" h x 4.00" w x 11.00" l, 2.20 pounds
Features
- Temperature-compensated to ensure optimum charge voltage according to ambient temperature
- Unique Gel Cell battery adjusted software allows for a slightly lower charge voltage and higher store voltage to protect sensitive true Gel Cell batteries
- Charges all lead-acid, flooded or sealed maintenance free batteries (AGM and Gel Cell)
- Complete 4-step charging program (initialization, bulk charge, absorption mode and float mode) allows for optimal constant battery levels without overcharging
- Automatically switches to float/maintenance voltage mode after fully charging the battery
Editorial Reviews
Amazon.com Product Description
| The Battery Tender Plus 12-volt/1.25-amp Battery Charger True Gel Cell model is the best way to deal with the challenge of keeping 12-volt vehicle batteries optimally powered when not in use, especially for users who own true Gel Cell batteries. It is not only able to charge any 12-volt lead-acid battery, its specially adjusted internal software allows for a slightly lowered voltage level that protects sensitive Gel Cell batteries from the dangers of overcharging. It is also designed to be easy to use in difficult spaces, to utilize a 4-step charging program and safely function in a fully automatic mode. Taken together this makes the special Gel Cell version of the Battery Tender Plus 12-volt/1.25-amp Battery Charger an excellent means of ensuring that all your batteries are fully charged and ready to go when you are.
The Gel Cell battery is similar to the AGM (Absorbed Glass Mat) battery in that its contents are sealed, but different because technically the AGM battery is still considered to be a wet cell. The guts of a Gel Cell contain a silica additive that causes it to set up or stiffen, first like Jell-O, then after subsequent discharge/charge cycles more like peanut brittle. Micro-cracks form in this gelled electrolyte that provide paths for the oxygen recombination reactions between the positive and negative plates. The recharge voltages on this type of cell are lower than the other styles of lead acid battery making it probably the most sensitive cell in terms of adverse reactions to over-voltage charging, and thus needing special care. Safe, 4-step Battery Charging for True Gel-Cell Batteries Key Features:
10-Year Limited Warranty |
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Customer Reviews
Most helpful customer reviews
39 of 39 people found the following review helpful.
Clarification on which BT+ to get
By George
I just talked to the manufacturer. The regular Battery Tender Plus will charge lead acid, SGM, and Gel cell batteries. THIS model is not a regularly available model from the manufacturer, and should ONLY be used for the TRUE GEL BATTERY that is on the newer BMW motorcyles. This charger is optimized for that battery and is not optimized for other battery types (although it will work, but not optimally since it will not provide the best voltages needed.) A gel cell battery is not the same as a true gel battery, hence the confusion that people are having.
So .. will it work? Yes. Is it recommended by the manufacturer and optimized for other battery types? No.
The above is from my conversation with a representative from Deltran. Please do not flame me if you don't agree with what the manufacturer told me. I suggest you call them if there are disagreements. I just wanted to post this to provide some clarification since I am in the market for the Battery Tender Plus. Deltran's recommendation was to go with model 02-0128 unless I have the appropriate BMW motorcycle.
Thanks.
18 of 18 people found the following review helpful.
What warranty?
By Michael R. Smith
I purchased this product in February of 2011 and it seemed to work fine. It says that this model can be used as a battery charger and it will change from charge mode to float/maintenance charge mode without damaging the battery like trickle chargers. In July of 2011 it just stopped working while it was connected to my classic car battery in float/maintenance charge mode. Of course I bought this model for its 10 year warranty, but now I find out that in addition to having to pay to ship it to the company, I also have to pay $15.95 for them to do Warranty Evaluation, & shipping & handling fees. When you pay $47.00 for an item and it costs you around $30.00 to pay for shipping & return shipping, what is the point of the warranty? This is supposed to be "the best" of battery chargers and they basically want me to pay for anything done to the unit. I am not impressed!
6 of 6 people found the following review helpful.
Great little unit - very versitile.
By A Microbiologist
This little charger works great and takes up very little space. Product dimensions are incorrectly listed as 11x4x11 inches and 2.4 lb - it is aproximately 4x3x3 inches, and can't weigh more than a half pound. It also lists the "Battery Tender 081-0069-6 Ring Terminal Harness with Black Fused 2-Pin Quick Disconnect Plug" as a "frequently bought together" item, but mine came with one. You only need more if you are planning to permanently mount them to more than one vehicle.
There seems to be some confusion as to what batteries this will charge. It is optimized for gel cells, which require a lower charging voltage than AGM or flooded. However, it is compatible with the latter 2 types. If you do not have true gel cell batteries, this is not the charger you want, but if you have a mix of 12V gel cell and 12V lead acid batteries, it will handle all of them. 021-0123 and 021-0128 are optimized for AGM batteries, compatible with flooded (STD), and not reccomended for gel cells. 021-0069 is optimized for flooded (STD) batteries, compatible with AGM batteries, and and not reccomended for gel cells. The 012-0156 does everything.
The only thing this charger won't do that I need is to charge 6V batteries, but at the price, I can't expect them to include that capability, so I'll buy their 6v model also.
