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  • Maximal Power Combo 9V MaximalPower 9V Battery and Charger Pack of 2 9V li-ion Rechargebale Batteries
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Maximal Power Combo 9V MaximalPower 9V Battery and Charger Pack of 2 9V li-ion Rechargebale Batteries

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Price: $26.62 & FREE Shipping on orders over $35. Details
Only 19 left in stock (more on the way).
Ships from and sold by Amazon.com. Gift-wrap available.
  • Value combo set with two 9V li-ion rechargebale batteries, and one 9V dual channel battery charger.
  • 9 Volt Battery Chemistry: Li-ion, Capacity: 550mAh
  • 9V battery is reusable and renewable to reduce waste and save the planet; ultra high power, superior performance and no memory effect
  • 1 year limited warranty
1 used from $20.00
Special Shipping Information: Due to federal and international regulations, this product can only be shipped within the 50 states.


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Frequently Bought Together

Maximal Power Combo 9V MaximalPower 9V Battery and Charger Pack of 2 9V li-ion Rechargebale Batteries + Maximal Power 9-Volts Li-ion 550mAh Rechargeable Battery
Price for both: $42.60

Buy the selected items together


Technical Details

  • Brand Name: MaximalPower
  • Model: Combo 9V
  • Item Package Quantity: 1

Product Details

  • Product Dimensions: 3 x 2.2 x 0.6 inches ; 5.4 ounces
  • Shipping Weight: 7 ounces (View shipping rates and policies)
  • Shipping: Currently, item can be shipped only within the U.S.
  • ASIN: B007VIZRAW
  • Item model number: Combo 9V
  • Batteries 2 9V batteries required. (included)
  • Average Customer Review: 4.6 out of 5 stars  See all reviews (58 customer reviews)
  • Amazon Best Sellers Rank: #37,283 in Electronics (See Top 100 in Electronics)
  • Date first available at Amazon.com: August 24, 2012

Product Description

MaximalPower 9 Volt / 9V battery and charger combo pack is a value combo set of two 9 volt li-ion rechargebale batteries and one 9V dual channel battery charger with LED light indicator. 9 Volt Li-ion Rechargeable Battery - MaximalPower 9 Volt rechargeable battery is li-ion replacement battery for all standard 9V battery and can be charged by 9V li-ion charger. It is reliable, reusable and renewable to reduce waste and save the planet. The battery requires 3 to 5 charges and discharges before achieving its maximum capacity. The battery life depends on the type of device or the accessory used and the temperature of the environment stored. 9V li-ion battery needs to be charged with 9V li-ion charger only. 9V Li-ion Battery Charger - Charging Current: 100mA per channel. Dual Channel: Two 9V li-ion batteries can be charged at the same time. LED Light Indicator: Charging - LED light turns red, Fully charged - LED light turns green.

Customer Reviews

This is one of the best value deals online.
Ronald H.
The supplied LED light works and the charger works even while charging just one battery.
MobyBike
Suggest to leave this light only on table tops, drawers, for easy retrieval.
tech1234

Most Helpful Customer Reviews

21 of 22 people found the following review helpful By SG on January 28, 2013
Verified Purchase
01/28/2013 - Used in cordless/hands-free Mics in church. Very good capacity - lasts 4+ hours and charges. works well so far and i plan on buying more if we get more of the same mics.

05/04/2013 - Update:
After twice weekly use, the batteries DO NOT last more than 20-30 mins now (always returned to charger after each use). I know that Lithium-ion batteries should last 1000+ recharges with 80% depth of discharge, and GOOD Ni-Cd batteries recharge 100s of times, so there is something suspect with these. ..

08/21/2013 - Update:
These batteries have a larger mAh capacity because they are "lower" voltage. If you don't need 9volts, like the included LED flashlight which ran for 53 hours(!) with usable light, these will work very well. If you need them for a "higher" voltage application these will have limited use. For me, these were used in a wireless microphone system that was near the base for the first month then I started using them farther from the base and they did not perform well. Below are the results of my tests:
Battery

9volt date voltage charged
#1 7/10/2013 8.26 3months ago
#2 7/10/2013 8.27 3months ago

#1 7/10/2013 8.31 10min charge to full
#2 7/10/2013 8.31 10min charge to full

#1 7/10/2013 8 after using included LED light for 1 hour

#1 7/12/2013 5.26 after 53 hours of LED
#2 7/12/2013 8.34 after 53 hours of charge

#1 8/21/2013 8.35 after 40days on charger
#2 8/21/2013 8.29 after 40days standby
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10 of 10 people found the following review helpful By B. Christensen on December 10, 2012
Verified Purchase
Bought these for a TENS/IF/MIC/EMS system, it eats 9v batteries. This is based on first cycle on the charges so take it for that. I am getting roughly twice the duration as I was using Duracell 9v batteries and substantial increase in amperage. Charge time is roughly 8 hours. The charger has fold in prongs so its easy to pack and travel with. If the batteries last through as many charge cycles as they should being li-ion, I will be very happy.
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7 of 7 people found the following review helpful By Dan on November 8, 2012
Verified Purchase
Seems to be a good choice. I got it to power a shure wireless guitar system, and it's lasting longer then the non-rechargeable batteries I was using before. Great!
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4 of 4 people found the following review helpful By Paul V. Tauterouff on June 16, 2013
Verified Purchase
I am a gigging musician and my wireless in ear monitor receiver uses a 9V battery. I got tired of spending so much money on alkaline batteries, so I invested in these rechargeable batteries. They have worked great. they last more than the length of our full show and have paid for themselves many times over. My singer also purchased them for his wireless microphone. I highly recommend them for anyone who wanted a good quality battery and it tired of spending money on ones that you end up throwing away when you are finished with them.
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2 of 2 people found the following review helpful By Raoul on January 16, 2014
Verified Purchase
I had decided to use rechargeable Lithium ion 9v batteries in my wireless microphone setup in the future to avoid worrying about running out of 'gas' during a presentation.
I purchased two samples of three different brands and ran three runs of each, depleting them to exhaustion each time. As you might expect, the facts were different from the claims about storage capacity.
If you're interested in trying rechargeables, based on my tests, I can recommend the EBL brand slightly over the Maximal. It's rated at 600mah, but tested out at 618mah. Maximal Energy at checked out at 482 vs 550 claimed. The others one I tested, Tenergy tested at 330maH vs 500maH claimed. I also included some Duracell alkalines which were in between the EBL and Maximal, but at several bucks a pop, are an expensive way to go.
The last time I checked, you can now buy a four-pack of EBLs for $30, including charger!
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2 of 2 people found the following review helpful By MobyBike on June 21, 2013
Verified Purchase
I wanted to mention the life of these batteries isn't even as good as a heavy duty 9V when used in a Harbor Freight cheap/free multimeter. But because I tend to leave the multimeter on 24/7 I went with rechargeable to save on batteries. I get 7-10 days (ambient temperature might be the variable) on a single charge, while I can go for months on alkaline. The supplied LED light works and the charger works even while charging just one battery. I charge it with solar and then use it to monitor the solar electric system that charged it.
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2 of 2 people found the following review helpful By Richard L. Sutherland on March 3, 2013
Verified Purchase
My wife and I frequently use a device (VariGamma Zapper) that requires a nine volt battery and would use up a nine volt battery on a daily basis, which was expensive. With this Maximal Power Combo Battery & Charger, one of us can use the Zapper while the battery is recharging. By the time the zapping is completed, the battery is recharged. Our savings in batteries quickly paid for this product.
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2 of 2 people found the following review helpful By H. Stein on January 23, 2013
Verified Purchase
Very long life batteries with convenient charger. People should know that conventional chargers will not work with this new battery chemistry. Flashlight a bonus.
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Most Recent Customer Reviews