12V 240A YT7B-BS/YT12B-BS Lithium Motorcycle Battery with Smart BMS, Lightweight & Waterproof - Replacement for YT9B-BS/YT14B-BS - Fits for Motorcycle, Moped, ATV, Generators

★★★★★ 4.8 57 reviews

US$28.00
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US$28.00
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Free shipping Free 30-day returns

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Management number 227349248 Release Date 2026/05/09 List Price US$28.00 Model Number 227349248
Category
  • Smart BMS Protection​​: Built-in Battery Management System prevents overcharge/over-discharge/short circuit and extreme temperatures (-20°C~60°C), eliminating thermal runaway risks for 300% safer operation than lead-acid batteries.
  • Lightweight & High-Power​​: Only 0.6kg (1/2 weight of lead-acid) delivers 240CA cold cranking amps, enabling 50,000+ starts and 2,000+ cycles for 5+ years lifespan.
  • 12-Month Warranty​​: Free replacement for manufacturing defects (contact via Amazon Message directly due to Amazon’s battery return policy).
  • Universal Compatibility​​: Directly replaces YT7B-BS, YT9B-BS, YT12B-BS, YT14B-BS batteries; fits for Ducati, Yamaha,Polaris, ATV, generators, and Moped.
  • Pure Copper Terminals: Reinforced copper terminals support high current transmission and provide front/side/top multi-angle installation options, suitable for complex vehicle spaces.
  • Maintenance-Free & Eco-Friendly​​: Zero activation/watering needed. Lead-free LiFePO4 chemistry (non-toxic) resists leakage even when tilted, meeting RoHS standards.
  • Extreme Temperature Resilience​​: Starts instantly at -20°C to 60°C with stable voltage output, ideal for winter Motorcycles and summer ATV use.

ASIN B0FDWNP26D
Size 240A YT7B/YT14B/YT12B/YT9B-BS
Voltage 12 Volts
Terminal Copper post terminal
Brand Name maxlithium
Manufacturer Hong kong Juli Technology Co.,Limited
Model Number 12V lithium motorcycle battery
Automotive Fit Type Universal Fit
Included Components 12V 4Ah Lithium Motorcycle Battery with 2 Copper post terminal *1, 12mm Spacer*1, 20mm Spacer*2, M5 Screws*2
Manufacturer Part Number 12V lithium motorcycle battery
Item Dimensions D x W x H 2.56"D x 5.9"W x 3.66"H
Compatible with Vehicle Type ATV, Motorcycle, Snowmobile, UTV
Manufacturer Warranty Description 12-MONTH WARRANTY: We provide customers with at least a 1-YEAR warranty service (If it is a product quality problem, we will provide you with the repair or replace a new battery for free). Because Amazon does not handle returns for battery-related products, so if you have any questions. Please contact us directly via Amazon message. Lead Acid battery chargers MUST NOT be used on LiFePO4 batteries because they cannot monitor and output the correct CC and CV as needed and they always default to a trickle FLOAT charge. You must only use a specified LiFePO4 charger.

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4.8 out of 5
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57 ratings | 23 reviews
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