Top 10 Best 121r Battery Based On User Rating

1. ODYSSEY PC680 Battery, red top

  • 170 CCA; Better warranty: Limited 2-year full replacement warranty, not pro rata; Longer service life: With 3-10 years of service life, ODYSSEY batteries save consumers time, money, and aggravation
  • Longer cycle life: 70 percentage longer cycle life compared to conventional deep cycle batteries, up to 400 cycles at 80 percentage depth of discharge- high stable voltage for longer periods of time
  • Faster recharge: The highest recharge efficiency of any sealed lead battery on the market, capable of 100 percentage recharge in 4 – 6 hours; Mounting flexibility: Non-spillable design
  • Vibration resistance- design protects against high impact shock and mechanical vibration; Extreme temperature tolerant
  • This item is not for sale in Catalina Island
  • “Item is Hazmat and non-returnable

2. Interstate Batteries 12V 35Ah Deep Cycle Battery (DCM0035) Rechargeable Replacement Mobility Battery SLA AGM (Insert Terminal) Wheelchair, Trolling Motor, Scooter, RV

  • DEEP CYCLE MOBILITY BATTERY: Interstate Batteries DCM0035 professional-grade, high-quality battery developed specifically for wheelchairs & scooters. Longer life & more cycles for deep discharge usage – Interstate’s DCM batteries rated as the best performer for heavy-demand electric wheelchairs & electric scooters, making them Outrageously Dependable
  • DCM0035 BATTERY REPLACEMENTS: Compatibility Fit Guide located under Product Guides & Documents. ABEC WHEELCHAIRS, BEST TECHNOLOGIES, BURKE SCOOTER, DAMACO WHEELCHAIR, ELECTRIC MOBILITY SCOOTERS, EVEREST & JENNINGS, EXIDE BATTERIES, EXPERT POWER, GOLDEN TECHNOLOGY, HOMELITE, HOVEROUND, INVACARE, JAZZY, KUBOTA, LEISURE LIFT, MERITS HEALTH, MIGHTY MAX (ML35), ODYSSEY, OPTIMA, ORTHO KINETICS, PACE SAVER, PRIDE MOBILITY SCOOTERS, RANGER ALL SEASON, SONNENSCHEIN, UNIVERSAL POWER GROUP, WEIZE & more
  • RECHARGEABLE, MAINTENANCE-FREE, SPILL-PROOF: Rechargeable, maintenance-free, & spill-proof because of the AGM & VRLA technology (valve regulated) that eliminates spills & overpressure. 12 Volt, 35 Amp hours. 7.68” x 5.16” x 6.42” (LxWxH). Industry size Group U1 or GT9L. Insert terminal with bolt, replaces FLAG TY. This battery is not a replacement for Golf Cart batteries
  • HIGH-QUALITY, HIGH-PERFORMANCE BATTERY: No other brand puts their products through more rigorous testing than Interstate Batteries 7-Point Quality Protocol. We don’t meet industry standards – we exceed them & back our products with an unmatched warranty. 12-Month Performance Warranty (DCM0035) – please contact Interstate Batteries on Amazon for questions (1. Click Interstate Batteries under Buy Now button, 2. Click Ask a Question)
  • MOST TRUSTWORTHY POWER SOURCE: Since 1952, Interstate Batteries purpose has been to deliver the most Outrageously Dependable source of power to the world. Our customers come first, so we strive to create a positive experience for all. We recycle more batteries than we sell; please return to an Interstate All Battery Center near you so we can continue recycling

3. LOSSIGY LiFePO4 Battery 12V 200Ah Deep Cycle Lithium Iron Battery, Maintenance-Free Built-in 100A BMS, 4000+ Cycles, 280Amp Max, Perfectly replace all RV, Solar systems, Marine Batteries Application

  • 【Value for money】: LOSSIGY’s lithium iron phosphate batteries have excellent 4000~7000 cycles and up to 10 years service life. Compared with AGM / SLA batteries on the market, our batteries have higher energy density, more stable performance and higher power, and works well in various applications.
  • 【Lightweight】: Weighting only 47 lb for one module, our 12V 200Ah battery weighs in at only 1/3 the weight of AGM/SLA batteries! It doesn’t contain any heavy metals and rare metals, no pollution.
  • 【Excellent safety】:All types of batteries produced by LOSSIGY can be used in series or in parallel, and will not overheat not burn not explode under high temperature or overcharge. The built-in BMS system can perfectly protect the internal structure of the battery.
  • 【Wide Applications】: As such an excellent lithium battery, you can safely install it in any position. Such as Solar system, Marine, RV, Campers, Golf cart, Medical devices, Electric mobility scooter, Off-road, Off-grid Applications Etc.
  • 【What You Get】: 12V 200Ah Lifepo4 battery, Positive and negative copper core cable, Product parameter guide, and our 5 years worry-free warranty and friendly customer service.

4. ACDelco Gold 48AGM 36 Month Warranty AGM BCI Group 48 Battery, Black

  • High density negative paste, improves performance and increases battery life
  • Enhanced life alloy or Silver Calcium stamped alloy increases cycle life and improves performance
  • Calcium lead positive grid, maximizes conductivity and allows for low resistance
  • Robust envelope separator with puncture resistant back, allows for increased acid circulation and prevents shorts. Improved acid circulation, helps the battery to remain cool, and extend battery life
  • Vent cap design that resists acid leakage
  • Battery comes with 7 year warranty

5. JITA 12V 100Ah LiFePO4 Lithium Battery RV Deep Cycle Battery, Built-in 100A BMS, 10 Year Life, 1280W Power Output for RV, Solar Power System, Marine, Home Energy Storage and Off Grid

  • [Lithium Iron Phosphate Battery]: JITA LiFePO4 Deep Cycle Battery provides 2000~5000 cycles, which is more than 10 times to Lead Acid Battery with 300~500 cycles. 10 Years Lifetime. 100Ah lithium battery can be recycled without producing harmful elements to the environment but lead acid battery release toxic sulfur oxide gas.
  • [Built-In BMS Protection]: JITA 12V Lithium Battery has Built-In BMS (Battery Management System) to maintain the voltage of every cell and protect it from overcharge, over-discharge, overload, overheating and short circuit. Built-in high temp cut off system prevents charging temp over 167 °F (75 °C). LiFePO4 battery is safer than lead acid, avoiding fire and explosion accident. Operating Temp: Charge: 0°C~50°C; Discharge: -20°C~60°C. 
  • [1/3 Lightweight & IP65 Waterproof]: JITA rechargeable lithium ion battery weighs only 24.2 lbs, just 1/3 weight of lead acid battery in the same capacity. It is easier to carry or move for marine, camping and off-grid. Our battery is IP65 waterproof with ABS hard case making you freely install it indoors or outdoors.
  • [Wide Application]: 12V LiFePO4 Battery is a great solar energy storage cell and power supply for 12V household appliances, such as refrigerators, washing machines, TV, monitors and air conditioners. It supplies power for various electric appliances of RV in a long-distance travel. Perfect for yachts, golf cart, van, trolling motor and medical devices.
  • [Capacity Expansion & After-sales]: 12V 100Ah Battery can be connected in parallels and in series for larger capacity and higher voltage. Connection in series: Up to 4 identical batteries for up to 48V. Connection in parallels: It can connect multiple batteries (no more than 4pcs be better). Our warehouse is in California, USA. Fast delivery. Professional technical team and customer service.

6. LiFePO4 Battery 12V 300Ah Lithium Battery – Built-in 200A BMS, Perfect for Replacing Most of Backup Power, Home Energy Storage and Off-Grid etc.

  • 【Deep Cycle Battery】: Our LiFePO4 battery provides 2000+ cycles compared to 300~500 cycles in lead acid battery. The service life of LiFePO4 batteries is 8 to 10 times that of standard lead-acid batteries. The weight of the lithium iron phosphate battery is 30% lighter than the lead-acid battery of the same capacity. Without memory effect, no matter what state the battery is, it can be used as soon as it is charged. We can provide technical support services at any time.
  • 【Lithium Iron Technology】: CHINS deep cycle lithium-ion battery has higher energy density, more stable performance and greater power. LiFepo4 battery will not burn when overcharged, overdischarged, overcurrent or short circuit, and can withstand high temperatures without decomposition. It can support fast charging and solar panel charging. Our LiFepo4 batteryis a green battery, it does not contain any heavy metals and rare metals and is more environmentally friendly.
  • 【Built-In BMS & Convenience & Maintenance Free】: Our LiFePO4 battery has built-in BMS (Battery Management System) to protect it from overcharge, over-discharge, over-current, and short circuit with excellent self-discharge rate. Built-in high temp cut off prevents charging over 122 °F (50 °C). Plus, Li-Ion batteries can be safer than Lead Acid batteries, which have no protection against ground faults. This product is your best choice for outdoor camping power and indoor easy installation.
  • 【Capacity Expansion】: Our Lifepo4 batteries can be connected in parallels and in series for larger capacity and voltage. Max connection in series: Up to 4 identical batteries for up to 48V connecting in series. Connection in parallels: it can connect multiple batteries, suggest no more than 4pcs in parallel. Allow to be extended up to 4 in series and 4 in parallel (Max 4S4P) to get more capacity (Max 800Ah) and higher voltage (24V, 36V, 48V). Other installation methods: 4S2P, 2S2P, 3S2P, etc.
  • 【Widely Used】: Our lithium iron phosphate batteries can be used in the following areas: Home energy storage system, UPS backup, lighting, digital/CCTV cameras, portable TV, e-Robot, electric vehicles, DIY loud speaker, 12V router, air pump, fish finder, golf car, trolling motor, motorhome/RV & camper, Houseboat, Travel Trailer, Dump Trailer and more. When the batteries are used in parallel or series, the battery voltage and capacity must be the same, and purchased in near time(within 6 month).

7. Odyssey PC1200MJT Automotive and LTV Battery

  • fit type: Vehicle Specific
  • Package Dimensions: 7.87 L x 6.66 H x 6.8 W (inches)
  • Package Weight : 38.2 pounds
  • Part Number: PC1200MJT

8. Optima Batteries DH6 YellowTop Dual Purpose Sealed AGM Battery

  • 12-Volt, 800 Cold Cranking Amps, Size: 10. 94″ x 6. 89″ x 7. 48″ tall, Weight: 54 pounds, SAE Post, . 300+ discharge/recharge cycles
  • Up to 3x longer long and maintained free with 140 minutes reserve capacity @25 Amps for constant performance
  • Optimal starting power even in bad weather; deep-cycle and cranking power.
  • Fifteen times more resistant to vibration for durability and mountable in virtually any position.
  • This item is not for sale in Catalina Island
  • Fit type: Vehicle Specific

9. Zooms 12V 100Ah LiFePO4 Deep Cycle Battery, Rechargeable Lithium Iron Phosphate Battery, Built-in 100A BMS, 4000 Cycles Battery for RV, Camping, Solar Home, Boat, etc.…

  • 【Long Life & Deep Cycle】Zooms Lithium Iron Phosphate (LiFePO4) battery can be recycled up to 4000~8000 times and provide up to 10 years of service life. Because of its safety and stability, LiFePO4 battery can perfectly replace the traditional lead acid battery. This model uses prismatic LiFePO4 cells with better stability, higher energy density, and lighter weight, making the batteries good enough at high temperature performance, high power output, low self-discharge rate.
  • 【Advanced Technology】Zooms LiFePO4 battery possesses industry-leading technology and is manufactured with advanced technology in the industry. This model has excellent and reliable performance with sufficient battery capacity, supporting battery expansion for up to 4 series & 4 parallel and suitable for electric energy storage.
  • 【Slow Power Loss】Zooms LiFePO4 battery have high energy density, which makes it possible to ensure long-term recycling. The capacity of the monomer is still greater than 80% after 2000 cycles. This model can be repeatedly charged and discharged without any memory effect. The battery can be charged and used no matter what state it is in.
  • 【Excellent Product Service】Zooms provides a five-year warranty for its battery. Our service team provide professional information and services, and respond quickly to solve problems in a timely manner. We will help analyze the customer’s problems within 24 hours, help solve the problems, recover the battery usage and introduce the best use method.
  • 【High Safety Performance & Environmentally Friendly】 Zooms LiFePO4 battery is green battery and it doesn’t contain any heavy metals and rare metals, and are better environmental friendly. Almost all outdoor power sources use LiFePO4 batteries as they’re very safe and can be used in a variety of application scenarios.

10. Optima Batteries OPT8014-045 8014-045 D34/78 YellowTop Dual Purpose Battery

  • 12-Volt, 750 Cold Cranking Amps, Size: 10″ x 6 7/8″ x 7 13/16″ tall, Weight: 43.5 pounds, Dual SAE & GM Post
  • Reserve capacity of 120 minutes for constant performance
  • Optimal starting power even in bad weather. Case Material: Polypropylene.Internal Resistance: 0.0028
  • Fifteen times more resistant to vibration for durability. Post type is Dual SAE/GM
  • This item is not for sale in Catalina Island
  • C20 Capacity – 55 Ampere hour

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