I normally use about 40-50khw pr day, and have 20kwp solar system, so normal use from batteries will be 25-35kwh a day. Assuming an average charging voltage of 28.8-volts (normal for a 24-volt system), I can expect to power a charger capable of 3.42kW/28.8-volts = 118.75-amps. If liquid leaking from the battery get into your eyes, do not rub your eyes. Another possibility was mounting the batteries on the truck. Most do more, including preventing excessive current draw. Above: Cable pass-throughs were made by cutting through the 1.5 square frame and reinforcing with a 1.5l piece of 1h x 2w tube, fully welded and ground on both sides. It’s far too expensive, impractical, and potentially dangerous to be viable under anything resembling normal applications. Founded in 2007, TCM is the RV community's number one source for news, reviews, guides, newbie advice, destination ideas, maintenance recommendations, modifications, and more. With unprecedented power requirements, Steve Hericks pushes the RV electrical envelope with a salvaged battery system from a Nissan Leaf electric car. (ex. The solution I developed is quite technical and required difficult modifications to the batteries that should not be attempted by anyone without the education, skills and extensive professional experience that I have been fortunate to obtain over the past four decades. Dimensions are : 12 L x 9 w x 2... 48v 14s BMS assembly Kit for 7 Nissan Leaf Lithium ion Battery G1 G2 The first generation of the LEAF was equipped with a 24 kWh battery pack, meaning Nissan utilized 24 battery modules with each module containing a 4-cell configuration. The door to access the driver’s rear side of the wheel well is now covered by an electrical panel attached the battery pack. 20V BMW Li-ion Battery $ 419.99 Add to cart-59%. Proceed with caution. The resulting battery bank has a capacity of 140-cells x 3.75-volts per cell (VPC) x 32Ah = 16.8kwh. 50AH FREE BusBar. This is not as optimal as a special battery-charging regulator used on sailboats, but is one-fifth the cost and works pretty well. In the Leaf’s car battery, each pack delivered up to 90-amps. Personally, I am very excited to have this system completed, and to test it in the field. I rejected this approach because the batteries would stay with the truck when the camper was dismounted. This means that none Nissan Leaf with the 30 kWh battery has this option. Before proceeding, be sure to read about Steve’s concept and required calculations in part one, “Future Shock: A Bold Vision For RV Power Systems”. A more complex BMS will actually use a higher cell to charge a lower cell. iRV2.com RV Community - Are you about to start a new … Here are my questions: This is not the most economical method, but it is quite painless and simple. Each battery pack has 7.5V x 64ah x 80% = .384kwh capacity 2. The second alternator belt system is completely separate from the engine equipment belt system. Nissan Leaf Battery G1 Module 24 Volt configuration Lithium Ion 1.5 kWh 500 watt per module Each Module has 4 cells ( 2 in Series and 2 in Parallel ) 8 volts 500 watts hour 66 amp hour Dimensions are : 12 L x 9 w x 2 thickness Weight is: 8 lb Voltage sensing terminal M4 nut. Neither was designed for the other, and the results are almost hard to comprehend. Will try to include 49 more modules when i get hold of it, to reduce strain on batteries. In fact, you can’t make a 12-volt battery with a Leaf battery or any lithium oxide technology. I very purposefully chose a large inverter with an integral charger that could handle lithium profiles. Seven packs in series gets you 42.0-58.4V which typically works well with 48-volt inverters. DC Meter... Tech Direct Inc. Odnoklassniki. Above: On the passenger’s side is a blue CAT5 cable connecting the BMS to the inverter to communicate ‘okay to invert’ and ‘okay to charge’. Above: Pack layout is 10-2S2P packs in the front compartment, 10-2S2P packs and 5-4P packs in the second compartment and 10-2S2P packs in the rear compartment. The remaining five packs have been opened and reconfigured to 1S4P, and then connected in parallel making 1S20P. DO NOT cause storage shock. 70% Usable Capacity  Nissan Leaf Battery (G1) $ 97.00 $ 39.99 Add to cart; Out of stock-11%. I have conducted this exercise to test the boundaries of what’s possible, and to project a bold vision for what may be possible in the future with lithium battery technology. My second charging source could be an onboard AC generator. In a recent study 283 Nissan Leafs manufactured between 2011 and 2017, had their SoH (State of Health) measured 1.382 times. Doesn’t it run like 23V setup? If you buy a 12-volt lithium ion Group 27 or Group 31 replacement battery, a BMS is located inside the battery and operates without your knowledge or involvement. So yeah, then your wiring would be correct. Anyone else using a different solution? I have a 4-gauge cable with a 175-amp connector beside my vehicle’s light harness. This is lethal territory. Twitter. Nominal voltage 7.5V. Most electric car batteries are constructed with 48-cells in series (48S) to output 360-volts nominal and over 400-volts fully-charged. I have not needed to remove the battery system since I installed it. All Rights Reserved. Contact us about anything at all—we’ll find a way to help. In the camper battery set-up, the same batteries deliver a maximum of 23-amps. 8 volts Usable Capacity: 70% Initially, the Nissan Leaf was introduced with twice the number of modules. 1. Its battery pack, despite being exactly the same size and shape as the 24kWh one, is not backwards compatible with the earlier 24kWh Leaf. Got a question? There’s only one way to find out. It is also not a fully redundant system since it shares a common charger with the AC shore system. Inside are 48 battery packs, connecting buss bars, and some control equipment. A BMS is a necessity if you plan to use lithium batteries. Total: 132 ah Voltage range (41-58V) I also didn’t want to modify the camper irreversibly since it will eventually be reverted to the factory configuration and sold. So you need to make sure you size your bms to your packs. Add to Cart. Any other lithium battery construction will require a BMS in the battery design and construction. It provides 60-amps when the battery is nearly full and up to 150-amps when the battery is nearly empty. Each Module has 4 cells ( 2 in Series and 2 in Parallel ) DO NOT short circuit the (+) and (-) in the wrong way around. That raises an important question; Can you make a 12-volt compatible battery with a Nissan Leaf RV battery? Make no mistake, the future will be powered by lithium. In order for batteries to maintain their high capacity, the cells all need to be kept in the same voltage range artificially to maintain equivalent power contributions to the battery. Winnetka, CA 91306 USA Knowledge is Power! And it monitors all DC power used in the camper. In the second generation of the LEAF, Nissan focused on creating a higher capacity lithium-ion battery pack that featured optimized lithium-ion storage. DO NOT connect terminal directly to an electric outlet or cigarette charger. Any packs/cells that are connected in parallel, the BMS will electrically see it as 1. I finally hit on the idea of making a spacer and attaching it to the bottom of my camper. 30-packs are connected in three series sets of 10 parallel packs making 6S20P. Tesla is New Auto, and came to cars with a Silicon Valley … I needed a solution to keep the Nissan Leaf’s batteries with the camper. 24V Leaf battery setup. It contains the BMS (Battery Management System) and power management equipment. If liquid leaks onto your skin or clothes, wash well with fresh water immediately. Join the #1 RV Forum Today - It's Totally Free! (This post was last modified: 12-11-2019, 05:15 PM by. DO NOT charge or discharge in such a condition. 8 volts At maximum charge rate, this charger can recover a fully discharged battery in; 13.44Wh (battery capacity) / 3.168kW (charger capacity) = 4.24-hours. I see Batrium offers a solution but Im looking for other options. I hope you are still with me. 13.077kwh (our energy needed)/.384kwh/battery = 34 battery packs 3. so 47.6kwh max rated capacity. DIY Battery Modules. 500 watts hour  Certified 18650 Cell Reclamation Technician, Please come join in general chit-chat and randomness at, (this chat is not directly affiliated with SecondLifeStorage; VALID email req'd), (This post was last modified: 09-16-2020, 03:25 AM by, Battery Pack Design, Planning, and Building. In respect from this link, a single cell have an average voltage of 3.8V, and 3.65-4.1V (or maybe 4.0V for safety) range for 80% of … The 2011 Nissan Leaf uses a 24 kWh battery and it has 48 modules with 4 cells per module. DO NOT use, leave cell close to fire or inside of a car where temperature may be over 60'C. One key issue regarding using Leaf battery packs is that the packs cannot be disassembled into a usable cells below the pack’s level. The most cost efficient and quickest charge will be from AC shore power. 63A Breaker. I can across a site selling leaf batteries in 24V configurations. Stop using the battery if odor or deformation is detected during use or storage. I'm buying Nissan Leaf G1 Modules ( 6) to build a 24v Battery.

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