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12V 12Ah, StarkPower, Lithium Phosphate Battery (LiFePO)

2 customer reviews

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  • 12V 12Ah
  • Lithium Iron Phosphate (LiFePO4)
  • Battery Management System
  • 3000 charge cycles
  • 5x more charge cycles than lead acid

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Technical Details

  • Brand Name: StarkPower
  • Model Number: SP-12V12-EP
  • Item Package Quantity: 1

Product Description

StarkPower's "UltraEnergy" Lithium Iron Phosphate (LiFePO4) battery is the ultimate in weight versus power technology. This is a drop in replacement for your Lead-acid battery, and will require no change to your existing system. It can be placed in scooters, wheelchairs, UPS Backups, photography or anything that uses a sealed lead acid battery.
LifePO4 contains no poisonous lead, no acid, and does not create gasses during charge, as traditional Lead-Acid batteries do. Compared to lead-acid, Lithium Iron Phosphate batteries are also extremely light, have much lower self-discharge, do not sulfate, and are environmentally friendly.
StarkPower "UltraEnergy" Models have a Battery Management System (BMS). BMS monitors the key operational parameters during charging and discharging such as voltages, currents and internal temperatures.

Model No. SP-12V12-EP
Voltage: 12V
Capacity: 12Ah, 154Wh
Chemistry: LiFePO
Weight: 3.7lbs (1.7kg) Dimensions: 5.9"(L) x 3.9"(W) x 3.7"(H), [150mm(L) x 98mm(W) x95mm(H)]
Life Cycles: 2,000 @ 80% DOD
BMS YES (Internal)
Max Charge Voltage: 14.6V
Discharge Cut-off Voltage: 8.2V
Max Charge Current: 12A
Max Discharge Current: 30A
Operating Temperature: -22°F to +140°F, (-30°C to +60°C)
Connectors - T2 (F2, 0.25 inch, 6.4mm) Spade Terminals

FEATURES: Ultra light. One fifth the weight of lead-acid batteries on average Twice to four times the service life of lead-acid batteries Drop-in replacement for your OEM battery Fast recharge rate No explosive gasses during charge, no lead, no acid Environmentally friendly

SAFETY: Internal over charge protection. Internal low voltage protection. Internal short circuit protection. Internal cell balancing. Auto Restart function. No presence of toxic substances.

Product Details

  • Product Dimensions: 5.9 x 3.9 x 3.7 inches ; 3.7 pounds
  • Shipping Weight: 4 pounds
  • Item model number: SP-12V12-EP
  • Batteries 4 Lithium Metal batteries required.
  • Average Customer Review: 5.0 out of 5 stars  See all reviews (2 customer reviews)
  • Amazon Best Sellers Rank:
  • Product Warranty: For warranty information about this product, please click here
  • Date first available at September 25, 2012

Customer Reviews

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Most Helpful Customer Reviews

8 of 8 people found the following review helpful By ELPQ35 on January 10, 2013
Purchased these batteries as replacements in my Currie SLA 14AH battery pack (was SLA 10AH OEM but I upgraded those SLA with 14AH rated batteries, 20lbs). My battery pack now weighs a little under 8lbs. The higher nominal voltage (26.4 LifePO4 vs. 25.2 SLA) gave the bike a noticeable power boost. If anyone else is looking to do this low cost upgrade, its easy. You just need to take out your old battery, connect the new ones, modify the case to fit your new batteries. You DO NOT have to remove the inline fuse. Consider it as added safety in case the BMS of the LifePO4 batteries does not work. If you don't want to modify your case to fit the 12AH batteries, get the 9AH batteries. They will fit perfect in the Currie OEM case. Also, buy the Stark Power charger to go with your batteries. You will have to add a XLR connector on the end if you want to use your original Currie battery pack case. DO NOT USE you old SLA charger even though it will work. Hope this helps. Thanks.

UPDATE: 1/11/13
Batteries got their first use on my 36 mile commute to and from work. Batteries lasted ALOT longer than the SLA batteries. By lasting longer, I mean they maintained high output thru 75% of my ride where the SLAs started to reduce performance around 40-50%. I increased my ride speed from 15MPH to 18MPH (75min vs. 60min for 18miles). I called StarkPower to discuss and first I must say that they are A+++ seller. We talked about the details of my battery usage and he gave me some tips on how to maintain the batteries overtime. He told me that if I started to see the batteries start to get imbalanced due to the series configuration, i needed to parallel the batteries together and/or charge them with with a 12V charger to help balance out the batteries. I'm an electrical engineer so I know what he means but if you're not, no worries. It's really a simple process. StarkPower also sells 12V chargers so you could always buy 1 when you purchase your batteries.
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By MICHAEL STEINBARTH on March 16, 2014
Verified Purchase
Battery is light and keeps charge twice as long as deep cells. No issue with battery memory as far as I can tell.
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