YB5-FP JMT Lithium ion battery
Item code: 707.00.03
£ 43.99
RRP: £48.92
(Ex VAT £36.66)
Replacement for: 12N5-4B and 12N5.5-4A Batteries
Comparable in moderation and connections with: 
Yuasa Manufacturer Part Number 

Spacer (S) 
Batteries may be equipped with one or more spacers that are taped with adhesive tape under the battery so that the battery fits exactly into the original battery box. 

Indicator (I) 
All batteries are equipped with a battery condition indicator. Simply press the test button. When all three blue LEDs light up the battery is fully charged(ful). If it lights only 2 LEDs, it is only half charged (med). When only one LED is lit (low), the battery must be charged immediately. 

Replacing a standard lead-acid battery by a JMT lithium-ion batter can save you up to up to 5 kg in weight with minimum effort. 

JMT lithium-ion batteries have the following benefits: 
  • About 1/3 of the weight of comparable lead acid battery
  • Unbeatable ratio of cost/weight savings
  • Can be mounted in any position - no acid spillage
  • Does not contain heavy metals
  • Balanced discharge/charge of all cells by the integral balancer
  • Fast charging with high ampage systems (up to 90% fully charged in only 6 minutes)
  • Very low self-discharge - long shelf life (up to 5% per month)
  • Excellent performance at high temperatures (even up to 60° C)
  • Safe technology and high durability
Lead-acid batteries only use 30% of their capacity whilst nearly 100% of the capacity of lithium-ion batteries is used. For this reason, lithium versions of JMT batteries need only 1/3 of the capacity of a comparable lead-acid battery for the same starting power. 

A uniform charging of all the cells is ensured by a built-in processor (the "balancer"). 

The dimensions of the lithium-ion batteries (using adapters where necessary)correspond to the dimensions of the original lead-acid batteries and the connections are identical, thus the battery can be replaced easily in a few minutes. 

*** IMPORTANT *** 

Although JMT lithium-ion batteries discharge at a slower rate than coventional batteries it is vital that they are not allowed to go completely flat. Please regularly use the charge indicator on the top of the battey to assess it's state of charge especially if the bike has not been ridden for some time.

JMT lithium-ion batteries can be charged with conventional chargers but it is best to check that the charger is suitable for a lithium-ion battery. Some maintenance chargers have a recovery mode for sulphated lead acid batteries. These chargers should not be used with a lithium-ion battery as in recovery mode high voltage levels can damage them irreparably. If in doubt purchase a battery charger suitable for lithium-ion such as some of the examples below.

Although this lightweight battery is extremely suitable for everyday use, it should be noted that the starting capacity is reduced at temperatures below zero degrees Celsius. 

Technology - JMT lithium-ion batteries are manufactured using a cathode material of iron phosphate (LiFePO4) and lithium-polymer. The technology and the manufacturing process ensure the highest safety standard for lithium batteries.

12 V maintenance-free lithium-ion battery 
Recommended charging current 1.0 A 
Maximum charging current for fast charging 8 A 
Technical information
Voltage 12v
Capacity 1.58 Ah (10 Std) 19 Wh
Type Lithium Maintenance free
Manufacturer claimed CCA 96 A
SAE as measured by JMP battery tester    180 A
DIN as measured by JMP battery tester 170 A
EN as measured by JMP battery tester 100 A
Length 120 mm
Width 60 mm
Height 92 - 127 mm
Weight 0.421 kg
Terminal connection Front from above
Positive terminal Front left
Negative terminal Front right
Model Code Type From To Year
Kawasaki H2 750 Mach 4   H2F H2F-00001 H2F-23670 1972
Kawasaki H2 750 A Mach 4   H2F H2F-23671 H2F-32200 1973
Kawasaki H2 750 B Mach 4   H2F H2F-32201 H2F-42546 1974
Kawasaki H2 750 C Mach 4   H2F H2F-42547 - 1975
Kawasaki KH 250 B 1 KH250B KH250B-000001 KH250B-008600 1976
Kawasaki KH 250 B 2 KH250B KH250B-008601 - 1977- 1980
Kawasaki KH 400 A 3 S3F S3F-26200 S3F-33600 1976
Kawasaki KH 400 A 4 S3F S3F-33601 - 1977- 1978
Kawasaki S1 250 Mach 1   S1F S1F-00001 S1F-04690 1971- 1972
Kawasaki S1 250 A Mach 1   S1F S1F-04691 S1F-12000 1973
Kawasaki S1 250 B Mach 1   S1F S1F-12001 S1F-16299 1974
Kawasaki S1 250 C Mach 1   S1F S1F-16300 - 1975
Kawasaki S2 350 Mach 2   S2F S2F-00001 - 1972
Kawasaki S2 350 A Mach 2   S2F S2F-00000 - 1973
Kawasaki S3 400 Mach 2   S3F S3F-00001 S3F-14299 1974
Kawasaki S3 400 A Mach 2   S3F S3F-14300 S3F-26199 1975
Yamaha MT 125 5D7C RE114 RE114-000101 - 2014- 2015
Yamaha MT 125 5D7L RE114 RE114-000109 - 2014- 2015
Yamaha MT 125 BR31 RE114 RE114-100102 - 2016
Yamaha MT 125 BR33 RE114 RE114-100101 - 2016
Yamaha MT 125 A ABS 5D7D RE115 RE115-000091 - 2014- 2015
Yamaha MT 125 A ABS 5D7M RE115 RE115-000090 - 2014- 2015
Yamaha MT 125 A ABS BR32 RE115 RE115-105101 - 2016
Yamaha MT 125 A ABS BR34 RE115 RE115-100101 - 2016
Yamaha MT 125 A ABS BR35 RE292 RE292-000101 - 2017
Yamaha MT 125 A ABS BR36 RE292 RE292-010144 - 2018
Yamaha WR 125 R 22BB - - - 2014- 2017
Yamaha WR 125 R 22B1 DE071 DE071-001912 - 2009
Yamaha WR 125 R 22B3 DE071 DE071-000029 - 2010
Yamaha WR 125 R 22B5 DE071 DE071-005401 - 2011- 2012
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