K2 Energy® Lithium Ion™ Battery

General Description

K2 Energy® Lithium Ion™ Battery 12V 11AHR - If you’re searching for the most innovative and dependable batteries in the world, look no further than K2 Energy®. Utilizing the latest Lithium Ion™ Phosphate technology, they are able to produce incredibly effective energy solutions for use in medical, transportation and military applications.

They strive to create energy products that outperform traditional batteries in performance, safety, power and environmental benefits. Producing both energy and power battery cells, modules and systems, we are certain that their products will stand up to whatever challenge you may be facing and will last for years to come.

This is K2's K2B12V11EB with built-in Protection Circuit Model (PCM). A “PCM” is a Protection Circuit Module, that in its very simplest form controls the upper and lower voltage cut-off and has short circuit protection. K2 batteries also include balancing. K2 conforms to the University of Texas' patent requiring the highest quality raw materials. There are cheaper offshore choices which bypass quality and safety standards… BE CAREFUL! K2 Energy® is known for; superior cycle life, reliability, quality and safety.

Lithium Iron Phosphate (LFP) is a special kind of lithium battery that addresses the 4 major issues with current lithium technologies: Safety, Life, Power, and Environmental Friendliness. The discharge of a LiFePO4 stays at a higher voltage. You see a better working capacity than the SLA 12AH batteries, however, these are light at 2.87 lbs (3.83in x 2.53in x 5.94in). These are direct swaps for your standard 7.5A/hr SLA battery. (Terminal size F2).

K2 Lithium Ion™ battery technology delivers high power and energy density without compromising safety. 

  • Safety – K2 Lithium Ion™ does not experience thermal runaway.
  • Long Life – K2 Lithium Ion™ has low capacity loss and low impedance growth.
  • Lighter, Smaller – K2 Lithium Ion™ is light weight and up to 1/3 the size of conventional lead acid batteries.

K2 Lithium Ion™ can be cycled to 100% depth of discharge allowing our cells, batteries and systems to meet, often exceeding energy needs and even avoiding the need for redundant capacity.

Wings & Wheels is proud to be a K2 Energy® dealer.

Specifications
 Nominal Capacity @ C/5 (Ah) 11.1
Average Operating Voltage@ C/5 (V) 12.8
Weight (kg/lbs) 1.3 / 2.87
Height (mm/in) 97.3 / 3.83
Width (mm/in) 64.3 / 2.53
Length (mm/in) 151 / 5.94
Recommended Operation Conditions
Continuous Discharge (A) ≤ 11.1
Pulse Discharge (A) 30 Seconds  22.2
Charge Current (A) ≤ 5.5
Charge Voltage Cutoff (V) 14.6
Discharge Voltage Cutoff (V) 10.0
High Operating Temp (ºC) 60
Low Operating Temp (ºC) -20
Maximum Operating Conditions 
Continuous Discharge (A) ≤ 25
Pulse Discharge (A) 30 seconds 40
Charge Current (A) ≤ 11.1
Max Modules in Series 4
K2B12V11 Constant Current Time Profile @ 25°C
 C/20
(0.55 A)
C/2
(5.5 A)
1C
(11.1 A)
2C
(22.2 A)
2.25C
(25 A)
20 hrs 2 hr 60 min 29 min 27 min
  • K2B12V11EB Battery
PLEASE NOTE: This product has HAZMAT restrictions and is only available to ship within the 48 contiguous states by UPS Ground only. PLEASE DO NOT select United States Postal Service or any Air service even though it is an option during checkout.
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