Best 4 V Batteries in 2026

【1-3 Workdays Delivery & 24Hrs Service】Redodo has local warehouses in US with 1-3 workdays delivery time. Our online services with 24 hours quick feedback. If you have any questions, please feel free to contact us, we will provide help timely. We inject passion, integrity, respect, and professionalism into our LiFePO4 batteries and business. And we hope that Redodo Lithium Iron Phosphate battery not only power for you, but also bright your life with our excellent customer service.

【Long Life & Deep Cycle】Redodo Lithium Iron Phosphate (LiFePO4) battery can be recycled up to 4000~15000 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】Redodo 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.

【1-3 Workdays Delivery & Outstanding Service】Redodo has local warehouses in US with 1-3 workdays delivery time. Our online services with 24 hours quick feedback. If you have any questions, please feel free to contact us, we will provide help timely. We inject passion, integrity, respect, and professionalism into our LiFePO4 batteries and business. And we hope that Redodo Lithium Iron Phosphate battery not only power for you, but also bright your life with our excellent customer service.

【More Usable Capacity & Grade A】A full charge on the Redodo battery can run common appliances for consecutive days, like running an 80W refrigerator nonstop for 48hrs ( about 2-4 days ). Our LiFePO4 battery has a great 300Ah capacity with low self-discharge rate and low capacity loss, which is 40% more powerful than the same size lead acid battery.

【1/3 Lightweight & 4000-15000 Cycles】Redodo LiFePO4 Battery is smaller and 1/3 the weight of the lead acid battery at the same capacity, which is convenient for you to carry with. Meanwhile, Our rechargeable battery provides 4000-15000 cycles (10 times longer) & a 10-year lifetime compared to 200-500 cycles & a 3-year lifetime in lead acid battery. 2000-3000 cycles longer than other LiFePO4 battery on the market.

【3 Times Usable Energy & 1/3 Lightweight】Redodo LiFePO4 battery can be recycled up to 4000~15000 times with 10 years of service life. The Grade A LiFePO4 Cells is with higher energy density and highest-level safety based on UL certificates for the cells. With the advantages of 1/3 lightweight, low self-discharge rate, and 3 times usable energy, Redodo LiFePO4 battery can perfectly replace the lead-acid battery.

【Strong 100A BMS Protection】 Redodo 200Ah LiFePO4 battery built-in 100A BMS, which supports 100A max. continuous charge/discharge current, 1280W max. Load power and 2560Wh max. energy. Equipped with exceptional quality 100A BMS can also limit the continuous charge/discharge current, our 200Ah LiFePO4 battery can better protect the battery performance and prolong the cycle times. We do 100% testing for all 200ah batteries before shipping them to you.

【40.96kWh Max. Energy】 Redodo 12V 200Ah Lithium batteries can be connected in parallel or in series for larger capacity (Max.800Ah), and higher voltage(Max. 51.2V). The Max. energy is 40.96kWh, and Max. Load power is 20.48kW, which is easy for you to operate the 12V lithium batteries at any time and anywhere. Redodo 200Ah battery is perfect for solar home systems and outdoors applications, such as home backup power, RV, camping, sailboat, etc.

【Triple capacity of 3840Wh & Support Expansion】Redodo LiFePO4 battery 100Ah possesses industry-leading technology and is manufactured with advanced technology in the industry. This model has excellent and reliable performance with sufficient battery capacity, 3 packs batteries can consist a system of 3840Wh and suitable for electric energy storage.

【Long Life & Deep Cycle】Redodo 12V 100Ah Lithium battery can be recycled up to 4000~15000 times and provide up to 10 years of service life. Because of its safety and stability, 12V 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.

【Slow Power Loss】Redodo 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%. 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.

【Long Life & Deep Cycle】Redodo Lithium Iron Phosphate (LiFePO4) battery can be recycled up to 4000~15000 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.

【Double capacity of 5120Wh】Redodo 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, 4 packs batteries can consist a system of 5120Wh and suitable for electric energy storage.

【Slow Power Loss】Redodo 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%. 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.

【Automatic Self-heating】This Redodo 12V 100Ah Thermal LiFePO4 battery model is equipped with an automatic self-heating function that will be activated by the BMS when the battery is connected to a charger at -4°F to 4°F. The heating will be stopped when the battery temperature reaches 50°F and then the battery will be normally charged. This feature makes it no problem to charge the battery at low temperatures. The battery's working environment is no longer restricted, but more flexible and convenient to use.

【Grade-A Cells And Upgraded 100A BMS】Redodo 100Ah self-heating LiFePO4 batteries with Automotive Grade LiFePO4 cells have uncompromising quality and higher energy density with better stability, which makes it possible to ensure long-term recycling. And highest-level safety is based on UL Testing Reports for the cells inside the battery and upgraded BMS with heating pads to protect it from overcharging, over-discharging, over current, and short circuits with excellent self-discharge rate.

【Deep Cycle & Lighter Weight】Redodo Lithium Iron Phosphate (LiFePO4) battery can be recycled up to 4000 times(@100% DOD) to 15000 times(@60% DOD) and provide up to 10 years of service life. Because of its safety and stability, the LiFePO4 battery can perfectly replace the traditional lead acid battery. This model uses prismatic LiFePO4 cells with 1/3 the weight of the lead-acid battery at the same capacity, lighter and more portable for you to move it.

【2×Energy Density & 10 years Lifespan】Redodo mini 12V 100Ah LiFePO4 batteries adopt advanced Grade A LiFePO4 Cells and it has UL/UN38.3/FCC/CE/ROHS certificated. The compact 1/2 mini body with 2 times higher energy density, lasting longer, more stable performance and superior efficiency. Its own built-in BMS to ensure the battery safety, 10 years lifespan and 4000-15000 cycles.

【1/2 Mini Case & Ultra Solidity】Unique and customized case, the dimension of Redodo mini 12V 100Ah battery is ONLY L10.24*W5.24*H8.96 inch. Save about 1/2 space when you install it. Increased the exhaust holes, good for heat dissipation and extend the life of the battery. The case is well built with new technology and very sturdy, highly abrasion/shock resistance. IP65 protection class. With removable handles, it is portable and one of the best choices for RV, camping, solar home system and boat.

【Experience the Newly Enhanced】The internal structure has been optimized with new structural parts to make the battery more compact, enhance the high performance of the cells and ensure the safety. 100Ah capacity with 100A BMS, the long-term performance and reliability make the cost 100% worth it and can provide reliable electric support when you use multiple appliances.

【1-3 Workdays Delivery & Outstanding Service】Redodo has local warehouses in US with 1-3 workdays delivery time. Our online services with 24 hours quick feedback. If you have any questions, please feel free to contact us, we will provide help timely. We inject passion, integrity, respect, and professionalism into our LiFePO4 batteries and business. And we hope that Redodo Lithium Iron Phosphate battery not only power for you, but also bright your life with our excellent customer service.

【Larger Capacity & Highest Energy Density】Redodo 12.8V 200Ah Plus is not only 3 times the energy density of a lead-acid battery but also much lighter and more powerful than comparable LiFePO4 battery on the market. You are worry-free even on a cloudy day because the reliable and usable 200Ah capacity could keep power for you with a 100% charge/discharge ability.

【Voltage & Capacity Expansion】Redodo 12.8V 200Ah Plus LiFePO4 Battery can be connected in parallel and in series to obtain larger capacity (Max 800Ah ) and higher voltage (25.6V, 38.4V, 51.2V). So they could be used for wild applications such as RV, solar home systems, marine, etc.

【2 Times Larger Energy & Perform More Stable】Redodo 24V 100Ah LiFePO4 battery could run two times longer than 12V 100Ah LiFePO4 battery. Generally, 1*24V 100Ah equals 2*12V 100Ah, which can save time and cost for extra wires to expand the energy and no need to balance the voltage. Redodo 24V LiFePO4 battery better protects the battery performance and prolongs the cycle times, and the higher voltage of 24V makes it more stable.

【Strong 100A BMS & Grade-A Cells】Redodo 24V 100Ah LiFePO4 battery built-in 100A BMS, which supports 100A max. continuous charge/discharge current, 2560W max. load power and 2560Wh max. energy. Equipped with exceptional quality 100A BMS can also limit the continuous charge/discharge current, the 100Ah lithium battery 24V with A-Grade cells make the battery quality reliable.

【Max. 20.48KWh Solar Home System】Redodo 24V lithium batteries can be expanded to max 4P2S (8*batteries, S refers to Series, P refers to Parallel) as a 51.2V 400Ah LiFePO4 battery system. The max. energy is 20.48kWh. With longevity and solid building feature, Redodo battery is a better choice for a solar home system that requires higher power or longer battery run time. It is a great off-grid 24V lithium battery!