LiFePO4 is the chemical formula for the cathode material in a Lithium-Iron-Phosphate battery. Lithium iron phosphate exists naturally in the form of the mineral triphylite. LiFePO4 is sometimes abbreviated as LFP. LiFePO4 chemistry offers a considerably longer cycle life than other lithium-ion chemistries. Under most conditions it …Apr 16, 2022. #1. Overkill Solar BMS ... I seem to really struggle with this BMS and the app. The first thing is the balancing. It seems to not take place, despite ticking both balancing and balancing while charging. One cell can start drifting outside the balancing start parameters, and nothing happens. I suppose I should see a B for balancing ...View and Download Overkill Solar BMS Series instruction manual online. BMS Series control unit pdf manual download. Also for: 120a 4s 12v bms, Jbd-sp04s020.My battery pack is 272amp, 4 cells, 12v. The cell spec is attached. I've connected with an Overkill Solar BMS - config also attached. I've top balanced the pack. Only way I can get to 100%, 272amp charge is at 14.4v ie 3.6v per cell. So, Im thinking (Im not confident as 100% new to this, so...Overkill Solar USB Module. Jiabaida JBD-UART Communication Module. Troubleshooting. If you are having trouble reading your batteries with …Apr 13, 2020 · Mar 5, 2021. #1. The Overkill Solar (OKS) BMS (4S 120A) is a badged version of the JBD BMS you can find on Aliexpress direct from the JDB store. Aside from risks I may take to purchase from Aliexpress and the unconditional warranty offered by OKS was there anything else modified in hardware or firmware by OKS that would set the two BMS versions ... Jan 27, 2023 ... ... solar professional. Please do your own research and always work safely ... Overkill Solar 12/24/48V BMS: High Quality and Beginner Friendly!100 pack of zip ties. Size: 2.5mm x 100mm. Beautiful lime green nylon.Email: [email protected]. Return Address: Overkill Solar LLC 3673 Exchange Ave, Suite 3 Naples, FL 34104Or build 2 4S packs and connect them in series for 24V. austrisv. •. mildly confirmed by Steve@Overkill. >I'm afraid not, the BMS will not operate without the correct number of cells. WileyCKoyote. •. you could use a step-up converter board 12to24 of around $3 for the last red lead of an 8s. it would bleed your battery a little of course...The types of radiation given off by the sun include both infrared rays, visible light and ultraviolet rays. All of these rays, or types of radiation, are part of the electromagneti...This is the USB interface Module for the Overkill Solar BMS (among others) Desktop software is free to download. This module is a USB to TTL UART adapter. It will make a new COM port available on your PC, which can be used with the provided software, or custom applications to monitor and adjust the parameters of the BMS.This PDF describes how to modify an Overkill Solar BMS for alternative cell counts. Overkill Solar normally stocks 3 basic BMS models, which are configured for the most common Lithium Iron Phosphate (LiFePO4) battery setups: 4 cell 12v nominal, 8 cell 24v nominal, and 16 cell 48v nominal. When using a different cell chemistry such…This is a Portable battery pack that we put together for demonstrations. We found this unused Bosch tool case that was just the right size for a Tesla Model S battery module with the BMS installed.It has a power switch on the outside which is connected to the BMS’s SW input, and the indicator light is connected to the 24v output (C- to B+).Email: [email protected]. Return Address: Overkill Solar LLC 3673 Exchange Ave, Suite 3 Naples, FL 34104Email: [email protected]. Return Address: Overkill Solar LLC 3673 Exchange Ave, Suite 3 Naples, FL 34104Looking to install solar panels on your property? Don’t get started before checking out this definitive guide. One of the many benefits of solar energy is that it is environmentall...Sep 17, 2020 · Overkill Solar official manual for the: JBD-SP04S020 (4S, 120A) JBD-SP10S009 (8S, 100A) I've only gave it a quick glance, but it looks very well put together and detailed! Well beyond the level of quality and clarity of virtually every other commodity BMS. This is a great asset for the community, one more positive reason Overkill Solar stands ... Email: [email protected]. Return Address: Overkill Solar LLC 3673 Exchange Ave, Suite 3 Naples, FL 34104 Overkill Solar LLC Global Footprint. Contact. Email: [email protected]. Return Address: Overkill Solar LLC 3673 Exchange Ave, Suite 3 Naples, FL 34104. Apr 16, 2021 · Today we are Testing and Reviewing the Overkill Solar LifePo4 4s 12v BMS. What will we find out about the #overkillsolarbms or #jbdbms. This BMS is made by J... Having two suns might sound fun, but it would probably make for a pretty different environment here on Earth. Find out what would happen if we had two suns. Advertisement "A long t...Mar 19, 2023 ... Overkill Solar vs. XiaoXiang app. Is the Overkill really that much ... Hyundai Shingled Solar Panels - 15% better than other solar panels?Comes with 12 inch long 8ga wires soldered to the board as shown. BMS For 8 cell, 24v volt Lithium-iron-phosphate DIY batteries 100 amp continuous charge or discharge current Low Temperature Charging cutoff at -1c (2 probes) Remote shutoff switch Fully programmable with IOS app, Android app, or Desktop app User Manual: Click to Download…I purchased (4) of these from " Overkill Solar "for the 4 - 280 ah LifeP04 batteries I put together, I use them in a motorhome for the inverter/charger which can require 400 - 450 amp draw. They have worked flawlessly, the Bluetooth modual makes it easy to program and to view the state on all 4 batteries.Overkill Solar USB Module. Jiabaida JBD-UART Communication Module. Troubleshooting. If you are having trouble reading your batteries with …This is the comprehensive user's manual for all of the BMSs sold here. Version 2.1 has been updated to include the 16s BMS. Free PDF download.Overkill Solar iOS App allows users to connect with the Overkill Solar Battery Management System (BMS). It can monitor voltage of the cells, total capacity, charging and discharging current, and switch the …The Overkill Solar Naples office weathered the hurricane beautifully. Parts of Naples have heavy damage from flooding. We got lucky, as 30 miles to the north, large areas of Bonita Springs, Fort Myers, Cape Coral, …Battery cells (we recommend the Overkill Solar 100Ah LiFePO4 cells , which are the perfect size for our BMS modules). We also give very detailed diagrams, mechanical drawings, bill-of-materials, and BMS configuration parameters to ensure a smoother DIY experience. Bus bars (used to link the battery cells together.4. Params Setting: In this screen, you can read and write the BMS settings. See A ppendix A for recommended settings. 5. Function Setting: In this screen, the general BMS settings, can be set (external switch on/off, load check on/off, balance enable on/off, charge balance on/off, and NTC temp sensors on/off). 6.This is the place to find Help and Support for the Overkill Solar BMS as sold on Amazon.com ... Looking for anyone who has any libraries for connecting a 4S Overkill BMS with a Raspberry Pi via USB module. thanks. Share Sort by: Best. Open comment sort options. Best. Top. New ...The Overkill Solar BMS is from JBD. Overkill adds value to the JBD unit and provides an easy/better warranty. Reactions: dcGuide. mikefitz Solar Wizard. Joined May 28, 2020 Messages 2,946. Jun 28, 2022 #3 LLT POWER ELECTRONIC Competitive pricing, short delivery time if opting for air freight, accept PayPal.In this experiment, we connected 2 different 24v pure sine inverters to a used Tesla Model S battery module, and checked the power consumption of a variety of constant loads. The battery for this test is a used 2014 Tesla model S module which delivered 3,632 watt-hours during a full cycle load test. Actual load test data performed in our shop.Home / Accessories / Hardware Kit for M6 cell terminals – Fits common 277ah 280ah 310ah Cells and other M6 x1.0 LiFePO4 prismatic cell terminals (32 sets, Stainless)Oct 30, 2020 · LiFePO4 does not need a multistage charging profile. The manufacturer of our 100 ah cells, and the MFG of the common 280ah cells specifies charging at a rate of 0.5c up to a maximum voltage limit of 3.650 per cell. Based on the LiFePo4 charge curve the cells will reach nearly 100% charge at 3.500v per cell, so this is our recommended target ... This is the USB interface Module for the Overkill Solar BMS (among others) Desktop software is free to download. This module is a USB to TTL UART adapter. which can be used with the provided software, or custom applications to monitor and adjust the parameters of the BMS. FYI for experimenters: The BMS communicates with a 5v TTL UART at 9600 baud. Email: [email protected]. Return Address: Overkill Solar LLC 3673 Exchange Ave, Suite 3 Naples, FL 34104 3001804. Short bus bar, each. 8s BMS 100a LifePo4 with 12" 8ga Wires. We are working on a revised design for the frames, they will be out of stock until it is ready. Kit includes 2 end frames, 4 threaded rods with nuts, and 3m VHB tape. Formed stainless frame fits our 100ah cells. Creates a sturdy modular battery assembly. Mount in any position. Nov 10, 2023 · Overkill Solar normally stocks 3 basic BMS models, which are configured for the most common Lithium Iron Phosphate (LiFePO4) battery setups: 4 cell 12v nominal, 8 cell 24v nominal, and 16 cell 48v nominal. When using a different cell chemistry such as classic lithium ion, the number of cells needs to be adjusted to reach a usable system voltage ... Return policy for battery cells: Save the original packaging! Cells are warranted for defects in manufacturing and materials for 1 year from the delivery date. No warranty is given for damage due to misuse or incorrect installation. Returns for any other reason will be accepted for 30 days from the delivery date, with a 10% restocking fee.Weight. 1 lbs. SKU. Wire_Assembly. Product ID. 6513826. Order custom crimped wire assemblies. Each crimped end is installed with a hydraulic die crimping machine and finished with adhesive lined heat shrink tubing. Wire type: 3/0 gauge, aka welding cable High Temperature Silicone Jacket (200°c) Ultra-fine Stranded Tinned copper conductors and ...Jul 10, 2020 · i have paralleled 3 24v overkill solar BMS together with 3 sets of batteries @100AH and they balanced each other while i watched using blue tooth monitors.it went across all batteries.very cool. then i charged them all at once and it worked fine. gonna add another battery pack for a set of 4. Last edited: Aug 29, 2020. Email: [email protected]. Return Address: Overkill Solar LLC 3673 Exchange Ave, Suite 3 Naples, FL 34104Email: [email protected]. Return Address: Overkill Solar LLC 3673 Exchange Ave, Suite 3 Naples, FL 34104 Email: [email protected]. Return Address: Overkill Solar LLC 3673 Exchange Ave, Suite 3 Naples, FL 34104 Are you a fan of Sun TV and don’t want to miss any of your favorite programs? The good news is that you can now access Sun TV live today with just a few simple steps. One of the ea...I purchased (4) of these from " Overkill Solar "for the 4 - 280 ah LifeP04 batteries I put together, I use them in a motorhome for the inverter/charger which can require 400 - 450 amp draw. They have worked flawlessly, the Bluetooth modual makes it easy to program and to view the state on all 4 batteries. Overkill Solar. SKU. SpiderShieldV2. Product ID. 6510990. This is a breakout shield for the Arduino Nano and UNO. Multi-footprint Breakout shield for the Arduino Nano and Uno, designed by Overkill Solar. Every I/O pin is broken out to a footprint that fits a variety of screw connections and pin headers Each connector footprint has 5v and GND ... Apr 16, 2021 · Today we are Testing and Reviewing the Overkill Solar LifePo4 4s 12v BMS. What will we find out about the #overkillsolarbms or #jbdbms. This BMS is made by J... This is the place to find Help and Support for the Overkill Solar BMS as sold on Amazon.com ... Looking for anyone who has any libraries for connecting a 4S Overkill BMS with a Raspberry Pi via USB module. thanks. Share Sort by: Best. Open comment sort options. Best. Top. New ...LiFePO4 does not need a multistage charging profile. The manufacturer of our 100 ah cells, and the MFG of the common 280ah cells specifies charging at a rate of 0.5c up to a maximum voltage limit of 3.650 per cell. Based on the LiFePo4 charge curve the cells will reach nearly 100% charge at 3.500v per cell, so this is our recommended target ...Email: [email protected]. Return Address: Overkill Solar LLC 3673 Exchange Ave, Suite 3 Naples, FL 341041,000 Amp Max Terminal Block. $ 79.95 – $ 159.90. All New Design, Made in the USA by Overkill Solar! 1,000 Amps Maximum current. 60 Volts DC Maximum voltage. 8x 3/8-16 Studs. All Hardware is 304 Stainless Steel.This is the comprehensive user's manual for all of the BMSs sold here. Version 2.1 has been updated to include the 16s BMS. Free PDF download.Along with wind and hydropower, solar energy is a sustainable and environmentally friendly alternative source of energy that continues to rise in popularity. There are two common t...Overkill Solar. SKU: 8ga-gnd-strap: Product ID: 6510975: Reviews There are no reviews yet. Be the first to review “2pc RF Grounding Strap – 23″ 8ga fine stranded wire (Surplus)” Cancel reply. Your email address will not be published. Required fields are marked *This is basic information on how to use the JBD BMS LIFEPO (Overkill Solar) RS485 interface connected to the RS485 to TCP adapter USR-DR302 in Home Assistant, using jbdtool or jbd for Windows to publish MQTT messages to MQTT broker on Home Assistant For the moment, I’m leaving my post on the other forum on how to … Overkill Solar iOS App allows users to connect with the Overkill Solar Battery Management System (BMS). It can monitor voltage of the cells, total capacity, charging and discharging current, and switch the charging and discharging ports on or off. Features: - change bluetooth advertising name - unl… Product ID. 6514868. Set of Red and Black Inverter hookup cables. 4 gauge Silicone (200°c) tinned copper wire 3/8" Tinned copper lugs 4 foot length 120 Amp current rating This cable set is good for medium sized inverters. Power handling capability: 12v system: 1500 watts (1.5kw) 24v system: 3000 watts (3kw) 48v system: 6000 watts (6kw) Need it…. 8ga 12" (standard), 8ga 24" (+$8), No Wires (-$14) SKU. 16s100aNoWire. Product ID. 5008246. Without wires soldered to the board. You will need to solder your own wires. Do not bolt connections directly to the circuit board. BMS For 16 cell, 48v volt Lithium-iron-phosphate DIY batteries 100 amp continuous charge or discharge current Low ... 4s BMS 120a LifePo4 with 24″ 8ga Wires. Rated 5.00 out of 5 based on 2 customer ratings. ( 2 customer reviews) $ 158.54. Comes with 24 inch long 8ga wires soldered to the board as shown. BMS For 4 cell, 12v volt Lithium-iron-phosphate DIY batteries. 120 amp continuous charge or discharge current.Feb 9, 2023 · The team from Overkill Solar provides this app f... We are having a closer look at the #Overkill Solar BMS app and going through all the settings and functions. The team from Overkill Solar ... Email: [email protected]. Return Address: Overkill Solar LLC 3673 Exchange Ave, Suite 3 Naples, FL 34104Email: [email protected]. Return Address: Overkill Solar LLC 3673 Exchange Ave, Suite 3 Naples, FL 34104Overkill Solar official manual for the: JBD-SP04S020 (4S, 120A) JBD-SP10S009 (8S, 100A) I've only gave it a quick glance, but it looks very well …These chips can be configured for a limited range of cell counts as outlined below. This configuration is done manually. After correctly configuring the balance wire connections, use the Overkill Solar BMS app to set the “Number of Cells” parameter to match. The procedure: Determine your cell count. Make sure your BMS can support this cell ...Overkill Solar normally stocks 3 basic BMS models, which are configured for the most common Lithium Iron Phosphate (LiFePO4) battery setups: 4 cell 12v nominal, 8 cell 24v nominal, and 16 cell 48v nominal. When using a different cell chemistry such as classic lithium ion, the number of cells needs to be adjusted to reach a usable system …Overkill Solar. SKU: 8pcs-8ga-pvc-12in-8mm: Product ID: 6515542: Reviews There are no reviews yet. Be the first to review “Surplus Wire Assembly – 8pcs – 12″ 8ga wires with 6mm lugs” Cancel reply. Your email address will not be published. Required fields are marked *Jan 10, 2022 · The solution may be a password reset. The newest version of JBD’s desktop app includes a tool to clear the password, which actually makes the whole password function useless at best. There is a screenshot included in the zip file with instructions, since the app does not display english labels on that page. Y ou can now use our release of ... Email: [email protected]. Return Address: Overkill Solar LLC 3673 Exchange Ave, Suite 3 Naples, FL 34104Overkill Solar LLC now has customers in at least 55 countries plus every US state, and every Canadian province except Nunavut and Yukon. Also, between employees, contractors, and vendors, we have business operations in 3 countries. Thank You for supporting us! Sincerely, Steve.Along with wind and hydropower, solar energy is a sustainable and environmentally friendly alternative source of energy that continues to rise in popularity. There are two common t... Overkill Solar LLC Global Footprint. Contact. Email: [email protected]. Return Address: Overkill Solar LLC 3673 Exchange Ave, Suite 3 Naples, FL 34104. 4. Params Setting: In this screen, you can read and write the BMS settings. See A ppendix A for recommended settings. 5. Function Setting: In this screen, the general BMS settings, can be set (external switch on/off, load check on/off, balance enable on/off, charge balance on/off, and NTC temp sensors on/off). 6. Mar 5, 2021. #1. The Overkill Solar (OKS) BMS (4S 120A) is a badged version of the JBD BMS you can find on Aliexpress direct from the JDB store. Aside from risks I may take to purchase from Aliexpress and the unconditional warranty offered by OKS was there anything else modified in hardware or firmware by OKS that would set the two … Email: [email protected]. Return Address: Overkill Solar LLC 3673 Exchange Ave, Suite 3 Naples, FL 34104 This is the place to find Help and Support for the Overkill Solar BMS as sold on Amazon.com ... Looking for anyone who has any libraries for connecting a 4S Overkill BMS with a Raspberry Pi via USB module. thanks. Share Sort by: Best. Open comment sort options. Best. Top. New ...10 gauge x 12" (discontinued), M6 Threaded Terminals, 8 gauge x 12" (Standard), 8 gauge x 24" (+$22), No wires (-$8) SKU. 4s120aNoWire. Product ID. 5008203. Without wires soldered to the board. You will need to solder your own wires. Do not bolt connections directly to the circuit board. BMS For 4 cell, 12v volt Lithium-iron-phosphate DIY ...Are you a fan of Sun TV and don’t want to miss any of your favorite programs? The good news is that you can now access Sun TV live today with just a few simple steps. One of the ea...6 × 6 × 1 in. Wire Length. 8ga 12" (standard), 8ga 24" (+$8), No Wires (-$14) SKU. 16s100a8ga24. Product ID. 5008245. Comes with 24 inch long 8ga wires soldered to the board as shown. BMS For 16 cell, 48v volt Lithium-iron-phosphate DIY batteries 100 amp continuous charge or discharge current Low Temperature Charging cutoff at 0c Fully ...I’m using 3x DIY 190ah batteries each with a 4S Overkill Solar BMS. What Cell Cap. Voltages are recommended for 10% up to 100% and everywhere in between? These are my current settings which don’t seem right: Attachments. 3402E280-58FC-41AC-B378-4A14F8D33CC4.png. 728.6 KB · Views: 25 Y. yeahnah New Member ...This PDF describes how to modify an Overkill Solar BMS for alternative cell counts. Overkill Solar normally stocks 3 basic BMS models, which are configured for the most common Lithium Iron Phosphate (LiFePO4) battery setups: 4 cell 12v nominal, 8 cell 24v nominal, and 16 cell 48v nominal. When using a different cell chemistry such… iPhone App: Overkill Solar Mobile App; Android App: Overkill Solar Mobile App; USB module to PC/desktop application. Click here for Software Downloads and Support Resources. A great resource for general DIY power education is www.Mobile-Solarpower.com. FYI for experimenters: The BMS communicates with a 5v TTL UART at 9600 baud. 3001804. Short bus bar, each. 8s BMS 100a LifePo4 with 12" 8ga Wires. We are working on a revised design for the frames, they will be out of stock until it is ready. Kit includes 2 end frames, 4 threaded rods with nuts, and 3m VHB tape. Formed stainless frame fits our 100ah cells. Creates a sturdy modular battery assembly. Mount in any position.Jan 1, 2024. #4. Yes, the Overkill (Rebranded JDB) BMS is innacurate. Would be nice if the iPhone software had a way to “Reset to 100%.”. If you find a way, please say. Perhaps a different BMS software can talk to the BMS. I could not find either a new app nor could I find a way to “calibrate” the SOC.When it comes to choosing a solar company, it can be difficult to know where to start. With so many options available, it can be hard to determine which company is best suited for ... Email: [email protected]. Return Address: Overkill Solar LLC 3673 Exchange Ave, Suite 3 Naples, FL 34104 Email: [email protected]. Return Address: Overkill Solar LLC 3673 Exchange Ave, Suite 3 Naples, FL 34104 8s BMS 100a LifePo4 without Wires. $ 128.14. Without wires soldered to the board. You will need to solder your own wires. Do not bolt connections directly to the circuit board. BMS For 8 cell, 24v volt Lithium-iron-phosphate DIY batteries. 100 amp continuous charge or discharge current. Overkill Solar. Overkill Solar iOS App allows users to connect with the Overkill Solar Battery Management System (BMS). It can monitor voltage of the cells, total capacity, charging and discharging current, and switch the charging and discharging ports on or off. Features: - change bluetooth advertising name -...
Looking to install solar panels on your property? Don’t get started before checking out this definitive guide. One of the many benefits of solar energy is that it is environmentall.... Skin rocks
Overkill Solar. SKU: 8pcs-8ga-pvc-12in-8mm: Product ID: 6515542: Reviews There are no reviews yet. Be the first to review “Surplus Wire Assembly – 8pcs – 12″ 8ga wires with 6mm lugs” Cancel reply. Your email address will not be published. Required fields are marked *Please check your cell polarity with a volt meter before connecting the BMS! This type of cell has been shipped by other suppliers with the labels on backwards. We have seen an excessive number of BMSs ruined recently because the customer's cells had the labels on backwards Most cheap prismatic cells on the market have…Oct 22, 2023 ... DIY Solar Tracker || How much solar energy can it save? ... Solar Panels Explained - Unravel the Mysteries of How Solar ... Excessive Overkill•184K ...Email: [email protected]. Return Address: Overkill Solar LLC 3673 Exchange Ave, Suite 3 Naples, FL 34104Set of Red and Black Inverter hookup cables. 3/0 gauge Silicone (200°c) tinned copper wire 3/8" Tinned copper lugs 4 foot length 500 Amp current rating This cable set is good for large inverters. Power handling capability: 12v system: 6000 watts (6kw) 24v system: 12,000 watts (12kw) 48v system: 24,000 watts (24kw) Need it longer/shorter?…Feb 9, 2023 · The team from Overkill Solar provides this app f... We are having a closer look at the #Overkill Solar BMS app and going through all the settings and functions. The team from Overkill Solar ... Today we are Testing and Reviewing the Overkill Solar LifePo4 4s 12v BMS. What will we find out about the #overkillsolarbms or #jbdbms. This BMS is made by J...If you want to reduce your carbon footprint and move your home toward clean energy, then solar panels are a good place to start. Many government programs are pushing solar panels f...Email: [email protected]. Return Address: Overkill Solar LLC 3673 Exchange Ave, Suite 3 Naples, FL 3410410 gauge x 12" (discontinued), M6 Threaded Terminals, 8 gauge x 12" (Standard), 8 gauge x 24" (+$22), No wires (-$8) SKU. 4s120aNoWire. Product ID. 5008203. Without wires soldered to the board. You will need to solder your own wires. Do not bolt connections directly to the circuit board. BMS For 4 cell, 12v volt Lithium-iron-phosphate DIY ...Email: [email protected]. Return Address: Overkill Solar LLC 3673 Exchange Ave, Suite 3 Naples, FL 34104Overkill Solar LLC does not advise or support any DC systems in excess of 48v nominal design voltage. Using cheap inverters or other low-quality equipment can damage the BMS in a way that will not be apparent until the batteries explode. 8ga 12" (standard), 8ga 24" (+$8), No Wires (-$14) SKU. 16s100aNoWire. Product ID. 5008246. Without wires soldered to the board. You will need to solder your own wires. Do not bolt connections directly to the circuit board. BMS For 16 cell, 48v volt Lithium-iron-phosphate DIY batteries 100 amp continuous charge or discharge current Low ... While the sun is a star, not all stars are considered suns. In order to be classified as a sun, any given star must have planets orbiting around it, and not all stars do. However, ...Oct 14, 2021 ... USB interface Module for the Overkill Solar BMS Used for viewing and changing BMS parameters with the desktop application. Industrial LiFePo4 Cell – 100ah 3.2v – 200 Amp Discharge Rating. Rated 5.00 out of 5 based on 6 customer ratings. ( 6 customer reviews) $ 128.14. Industrial Grade-A Lithium-Iron-Phosphate cells. M10 Stainless steel (NOT Aluminum) threaded stud terminals. Minimum Capacity: 100 amp-hours. .