TYKOOL LFP51913G Lithium Starting Battery 12.8V for Motorcycle and Generator

3x Starting Current
10x More Start Cycles
5x Service Lifetime
30% Of Original Weight

TYKOOL LFP51913G Lithium Starting Battery 12.8V for Motorcycle and Generator

SKU: LFP51913G

(1 Reviews)

$106.99

$109.99

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Product Features

Replacement for K1100LT/RS, K1200LT, K1200GT, K1200Lt, K1200Gt, K1200Rs, K1200S, K1200RS, K1300GT, K75, K75RT, R1100GS, R1100R, R1100RS, R1100RT, R1100S, R1100ABS, R1150GS, R1150R, R1150RS, R1150RT, R1200C, R1200RT,K75, K75C, K75S, R50/5, R60/5, R75/5, R80GS, R80ST
STRONG 420CCA STARTING POWER: Delivers a solid 420CCA output—approximately twice the cranking performance of typical 51913 lead-acid batteries. Ensures fast and dependable engine starts for BMW and Moto Guzzi motorcycles, even after extended storage periods.
EXTREME LIGHTWEIGHT ADVANTAGE: Weighing only 2.4 lbs, this lithium battery is about 80% lighter than conventional 51913 batteries. The significant weight reduction improves handling, balance, and suspension responsiveness on classic motorcycles such as the BMW K75 and R1100GS.
DIN 51913 EXACT FITMENT: With precise dimensions of 7.24 x 3.19 x 6.73 inches (184 x 81 x 171 mm), this battery is designed as a direct replacement for DIN 51913 battery compartments. Installs easily without the need for spacers or modifications.
BUILT-IN LCD VOLTAGE DISPLAY: Equipped with an integrated LCD Digital Display for instant voltage checks. Monitor battery charge status and electrical system performance at any time without requiring additional diagnostic tools.
BMW R & K SERIES APPLICATIONS: Engineered for compatibility with BMW R1100RT (1993-2005), R1100GS (1994-1999), and K75 / K75RT (1992-1996). Provides stable voltage delivery for reliable ignition and consistent performance of onboard electronics.
MOTO GUZZI MODEL COMPATIBILITY: Suitable for Moto Guzzi California 1100 (1997-2013) and Stone series motorcycles. The durable LiFePO4 internal structure helps reduce the risk of internal damage caused by strong engine vibrations common in large V-twin platforms.
SMART BMS PROTECTION SYSTEM: Features an advanced internal BMS to manage battery health and protect against overcharge, deep discharge, overheating, and short circuits. Rated for over 2500 charge cycles. Requires a regulated charging system below 15.0V and should only be charged with LiFePO4-compatible chargers.

LFP51913G

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Features
Specifications
Compatible Models
Shipping & Return

FAQ

Review

LiTime brand-new group 24 Bluetooth LiFePO4 battery propels industry-advancing innovations in performance, safety, energy efficiency and energy density. It demonstrates LiTime's continued drive to push the boundaries of lithium battery industry.

Advanced Monitoring and Protection

Stay in control with the digital display that shows real-time voltage and charge percentage. The built-in Battery Management System (BMS) offers comprehensive protection, ensuring safe operation by guarding against overcharging, overcurrent, and short circuits. With this intelligent system, your battery is always protected, leading to longer-lasting and more reliable performance.
Reliable and Stable BMS Protection

Inside, the battery is equipped with a full-function Battery Management System (BMS) that ensures optimal performance and safety. It provides comprehensive protection against overcharge, over-discharge, over-current, and short-circuit issues. Additionally, the cells are balanced for better efficiency and longer lifespan.
Direct Replacement for Lead-Acid Batteries

Upgrade to a more efficient and hassle-free solution with this 1:1 replacement for traditional lead-acid batteries. It requires no activation, no acid leaks, and no maintenance, making it easy to install and use right away. Enjoy the benefits of reliable, clean energy with minimal effort.
Boost Your Efficiency with TYKOOL's Advanced Power Solution

Designed for those who demand the best, this high-tech battery offers unparalleled reliability and performance. Engineered with precision, it guarantees stable power delivery and outstanding longevity, making it ideal for tough and high-demand situations. The compact, durable build ensures protection from external damage, providing you with a long-lasting and efficient energy source you can depend on every time.
Powering the Future with TYKOOL’s Lithium Technology

TYKOOL is at the forefront of lithium battery innovation, driven by a commitment to superior performance and safety. Through extensive research and development, TYKOOL has crafted advanced solutions tailored for motorcycles, generators, and even lawnmowers with precise size compatibility. Our cutting-edge technology ensures exceptional power, long-lasting reliability, and unmatched efficiency for all your energy needs, no matter the application.

THIS BATTERY FITS THESE VEHICLES

Motorcycle+

Make	Engine	Model	Year(s)	TYKOOL Battery Model
BMW	1100cc	K1100LT/RS	1990 - 1995	51913
BMW	1200cc	K1200LT, GT	2005 - 2009	51913
BMW	1200cc	K1200LT, GT, RS, S	1999 - 2005	51913
BMW	1200cc	K1200RS	1997 - 2005	51913
BMW	1300cc	K1300GT	2009 - 2011	51913
BMW	1600cc	K1600GT, GTL	2011 - 2017	51913
BMW	750cc	K75	1993 - 1995	51913
BMW	750cc	K75RT	1992 - 1996	51913
BMW	1100cc	R1100GS	1994 - 2000	51913
BMW	1100cc	R1100R	1994 - 2000	51913
BMW	1100cc	R1100RS, RT	1993 - 2000	51913
BMW	1100cc	R1100S, ABS	1998 - 2005	51913
BMW	1150cc	R1150GS, R	2000 - 2005	51913
BMW	1150cc	R1150R, RS, RT	2001 - 2006	51913
BMW	1200cc	R1200C	1998 - 2005	51913
BMW	1200cc	R1200RT	2005 - 2013	51913
BMW	850cc	R850R	1995 - 1997	51913

Shipping:

1. USA Dispatch Locally, Free Shipping.

2. Product processing time is usually 3 working days.

3. Product Standard shipping time is usually 3-5 days.

4. Learn more about our Shipping Policy.

Return:

1. If you are not satisfied with the products, customers can return or request a refund for products within 30 days of receipt.

2. Learn more about our Return & Refund Policy.

Model	51913G
Type	LiFePO4
Single cell brand	60C
Size	18578170mm
Weight	1.405kg
Negative position	L
Rated voltage	12.8V
Rated Capacity	7.0Ah
CCA	420CCA
Interior Resistance	7.0mΩ
Rated Charge Current	≤7A
Maximum charging power	≤70A

Continuous discharge current	≤70A
Instantaneous discharge current(5S)	≤210A
Short circuit protection	NO
Over Discharge Protection Voltage	8.0V
Over Discharge Recovery Voltage	9.2V
Over Charge Protection Voltage	15.6V
Over Charge Recovery Voltage	15.2V
Equalizing voltage	3.65V
Charge discharge cycle	1500 cycles
Self Discharge Rate	≤30mv
Adaptive temperature	-20℃~80 ℃

FAQS

How do I charge a lithium battery?

TYKOOL Lithium LiFePO4 batteries perform best when charged by a LiFePO4-compatible battery charger. LiFePO4 batteries require a different charging profile and voltage requirements compared to traditional battery chargers. Chargers designed for different chemistries may work, but they may not charge a TYKOOL Lithium battery to full capacity. It’s important to select a charger that has a LiFePO4-compatible constant-current constant-voltage (CC/CV) charging profile, provides the correct charging voltage for your battery, does not exceed the charge current (amp) for the battery, and has a charge indicator LED to let you know when the battery is fully charged. If you need help finding a compatible charger for your TYKOOL Lithium battery, or if you want to check your current charger compatibility, please reach out to our support team.
What vehicles/devices are these batteries compatible with?

Our 12V lithium phosphate (LiFePO4) batteries are designed to start a wide range of 12-volt systems, including:

- Motorcycles (Scooters,cruisers, sport bikes, dirt bikes)

- ATVs/UTVs (all-terrain vehicles)

- Boats/PWC (personal watercraft, jet skis)

- Snowmobiles

- Lawn mowers, tractors, and riding lawn equipment

Check your owner’s manual or contact us to confirm sizing and terminal type for your specific model.
Will this battery fit my vehicle?

We provide detailed sizing charts (length x width x height) and terminal type (top-post, side-post, etc.) in the product description. If unsure, message us with your vehicle’s make/model/year, and we’ll confirm compatibility.
Can I use my existing lead-acid battery charger?

Yes, but we recommend a LiFePO4-specific charger for optimal performance. Standard lead-acid chargers may work if they have a float mode (<14.6V). Avoid chargers with “equalization” modes, as they can damage LiFePO4 batteries.
Is Tykool battery available to use in my e-bike?

We are sorry, No. Currently we do not supply lithium type motive battery for electric vehicles like electric bikes,tricycles and cars.
Is a higher charging current safe for lithium batteries?

Yes, as long as it stays within safe limits. A charging current below 50% of the battery capacity is optimal, and any current not exceeding the battery’s rated capacity is safe. Lower current increases safety but takes longer, while higher current (within limits) reduces charging time.

Are Lithium Batteries Safe?

TYKOOL Lithium batteries are 100% safe & reliable. Our signature chemistry, Lithium Iron Phosphate (LiFePO4), does not contain rare earth elements (like Cobalt) or heavy metals, is non-toxic, including no lead or acid, is non-corrosive, does not off gas, requires no watering or maintenance, can be placed in any orientation, and unlike other lithium batteries will not explode or catch fire. In addition, each TYKOOL Lithium battery is protected from over heating, over charging, and short circuiting, by a battery management system (BMS) microchip that also extends the lifespan and is contained in a rugged, waterproof case (although enough water can conduct electricity between the terminals, so don’t submerse the battery). For best performance & reliability we recommend using a LiFePO4 charger.
Why choose LiFePO4 over traditional lead-acid batteries?

- Lightweight: Up to 70% lighter than lead-acid batteries, reducing vehicle weight.

- Longer lifespan: 5-10x more cycles (2,000+ cycles at 80% depth of discharge).

- Faster charging: Charges 3x faster than lead-acid.

- Zero maintenance: No water refilling or acid leaks.

- Reliable starts: Stable power output even in low temperatures.
Does this battery include a built-in BMS (Battery Management System)?

Yes! All our batteries feature an advanced BMS for:

- Overcharge/discharge protection

- Short-circuit prevention

- Over current protection

- Cell balancing for maximum safety and longevity.
Can this battery handle cold weather?

Yes! Our batteries operate in temperatures from -4°F to 140°F (-20°C to 60°C). Unlike lead-acid, LiFePO4 delivers consistent cranking power in freezing conditions (ideal for snowmobiles).
How do I choose the right charger current for my 12V lithium battery?

Charger selection depends on battery capacity. A 12V 1A charger works with all capacities and offers the highest safety. A 12V 2A charger is suitable for batteries up to 4Ah, while a 12V 3A charger is recommended for batteries 5Ah and above for faster charging within a safe range.

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Wallyvance

2025 / 11 / 04

The product arrived very quickly, the packaging was secure, and so far it's working well.

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TYKOOL LFP51913G Lithium Starting Battery 12.8V for Motorcycle and Generator

Advanced Monitoring and Protection

Reliable and Stable BMS Protection

Direct Replacement for Lead-Acid Batteries

Boost Your Efficiency with TYKOOL's Advanced Power Solution

Powering the Future with TYKOOL’s Lithium Technology

THIS BATTERY FITS THESE VEHICLES

FAQS

Customer Reviews

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What others are saying

Wallyvance

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