Battery pack hardware for DIY builders
Sodium-ion and LFP cells, flexible busbars, compression plates. US stock, ships fast.
New tool
Find the parts that fit your battery
Pick your cell chemistry and pack voltage. The Component Selector shows the busbars, compression plates, BMS, chargers and build guides that fit, with the right size already selected.
1. Cell chemistry
2. Pack voltage
Free, no sign-up. Change cells, series count and current on the next page.
Battery pack parts for DIY builders, labs and startups
OGS stocks sodium-ion 18650 cells, LiFePO4 prismatic cells, insulated flexible copper busbars, compression plates and pre-programmed chargers, tested on our own bench in Michigan. Not sure what fits? The Component Selector matches parts to your chemistry, cell and pack voltage.
Featured products
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18650 Sodium-Ion Cell 4-Pack, Layered Oxide, 1,100 mAh 15C
5.0 / 5.0
(2) 2 total reviews
Regular price $17.99 USDRegular priceUnit price $4.50 eachSale price $17.99 USD -
Insulated Flexible Copper Busbar for Battery Packs, 150A to 350A Continuous
5.0 / 5.0
(1) 1 total reviews
Regular price From $9.99 USDRegular priceSale price From $9.99 USD -
Battery Pack Hardware Kit for 280Ah-320Ah Prismatic LFP and Sodium-ion Cells, 4S 12V to 16S 48V
Regular price From $209.00 USDRegular priceSale price From $209.00 USD -
48V LiFePO4 Inverter BMS for 16S LFP Packs, JK PB2A16S20P, 200A, CAN / RS485, Closed-Loop Ready
Regular price $209.00 USDRegular priceSale price $209.00 USD -
Battery Quick Disconnect Connector, 120A / 200A, IP67 Panel Mount
4.0 / 5.0
(1) 1 total reviews
Regular price From $29.99 USDRegular price$29.99 USDSale price From $29.99 USD -
48V Sodium-Ion Battery Charger for 16S Packs, NFPP or Layered Oxide, Pre-Programmed
Regular price From $299.00 USDRegular priceSale price From $299.00 USD
Popular Categories
BMS & Balancers 4S to 16S
Ships from Michigan, USA Seplos, JK, and Daly battery management systems (BMS)...
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Explore our Customer's DIY Projects
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Michigan Off-Grid Cabin – DIY Solar + Battery B...
Joseph O'ConnorHere’s a full breakdown of an off-grid energy system we helped design and troubleshoot for a cabin in Michigan. What started as a solar generator with lead-acid batteries eventually turned...
Michigan Off-Grid Cabin – DIY Solar + Battery B...
Joseph O'ConnorHere’s a full breakdown of an off-grid energy system we helped design and troubleshoot for a cabin in Michigan. What started as a solar generator with lead-acid batteries eventually turned...
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DIY Battery Pack with Sol-Ark Inverter, Whole H...
Joseph O'ConnorProject Details: LFP prismatic cells (REPT 280Ah) 16S2P configuration, 51.2V nominal, 560Ah (~28kWh Capacity) Nuvation BMS and custom stack switchgear – view options Compression end plates – view product Custom...
1 commentDIY Battery Pack with Sol-Ark Inverter, Whole H...
Joseph O'ConnorProject Details: LFP prismatic cells (REPT 280Ah) 16S2P configuration, 51.2V nominal, 560Ah (~28kWh Capacity) Nuvation BMS and custom stack switchgear – view options Compression end plates – view product Custom...
1 comment -
The RegenOasis - LAGI 2020 Fly Ranch Entries
Joseph O'ConnorAn oasis in the desert, the RegenOasis is a shade structure consisting of 91 solar Photovoltaic (PV) panels that also serves as a rainwater harvesting surface. The structure provides a...
1 commentThe RegenOasis - LAGI 2020 Fly Ranch Entries
Joseph O'ConnorAn oasis in the desert, the RegenOasis is a shade structure consisting of 91 solar Photovoltaic (PV) panels that also serves as a rainwater harvesting surface. The structure provides a...
1 comment -
Electric VW Beetle
Joseph O'ConnorProject in Bellingham, WA Nissan Leaf Gen 2 Modules 22S2P Module configuration 44 P-groups in series for 163V nominal Dilithium Design BMS with a Thunderstruck 180VDC charger
1 commentElectric VW Beetle
Joseph O'ConnorProject in Bellingham, WA Nissan Leaf Gen 2 Modules 22S2P Module configuration 44 P-groups in series for 163V nominal Dilithium Design BMS with a Thunderstruck 180VDC charger
1 comment
New Additions to the Store
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250A Battery Quick Disconnect Pair, Busbar Terminal, IP67 Panel Mount
Regular price $79.99 USDRegular priceSale price $79.99 USD -
48V LiFePO4 Inverter BMS for 16S LFP Packs, JK PB2A16S20P, 200A, CAN / RS485, Closed-Loop Ready
Regular price $209.00 USDRegular priceSale price $209.00 USD -
24V LiFePO4 Smart BMS for 8S LFP Packs, JK B2A8S20P, 200A, Bluetooth, 2A Active Balance
Regular price $119.00 USDRegular priceSale price $119.00 USD -
12V LiFePO4 Smart BMS for 4S LFP Packs, JK B2A8S20P, 200A, Bluetooth, 2A Active Balance
Regular price $119.00 USDRegular priceSale price $119.00 USD -
48V Sodium-Ion Inverter BMS for 16S Packs, JK PB2A16S20P, 200A, CAN / RS485, Pre-Programmed (NFPP or Layered Oxide)
Regular price $229.00 USDRegular priceSale price $229.00 USD -
24V Sodium-Ion Smart BMS for 8S Packs, JK B2A8S20P, 200A, Bluetooth, 2A Active Balance, Pre-Programmed (NFPP or Layered Oxide)
Regular price $129.00 USDRegular priceSale price $129.00 USD
Books & Resources
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Sale -
Energía solar autónoma - Off Grid Solar, Spanish Edition
Regular price $9.99 USDRegular price$14.99 USDSale price $9.99 USDSale
Blog
View all-
How to Spot Weld 18650 Cells (and Why Not to So...
Joseph O'ConnorA spot welder and pure nickel strip are the right way to join 18650 cells. Here is how to find the right weld setting, test every joint, and insulate the...
How to Spot Weld 18650 Cells (and Why Not to So...
Joseph O'ConnorA spot welder and pure nickel strip are the right way to join 18650 cells. Here is how to find the right weld setting, test every joint, and insulate the...
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Is Sodium-Ion Right for Your Build? Cold, Safet...
Joseph O'ConnorSodium-ion cells handle cold and abuse better than lithium, and they cost less per cycle. They also carry less energy per kilogram. Here is who they suit, who they don't,...
Is Sodium-Ion Right for Your Build? Cold, Safet...
Joseph O'ConnorSodium-ion cells handle cold and abuse better than lithium, and they cost less per cycle. They also carry less energy per kilogram. Here is who they suit, who they don't,...
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Sodium-Ion Pack Math: Voltage Window, Series Co...
Joseph O'ConnorSodium-ion cells charge almost as high as lithium-ion and drain far lower. That wide window decides your series count, your wire size and your BMS settings. Here is the math...
Sodium-Ion Pack Math: Voltage Window, Series Co...
Joseph O'ConnorSodium-ion cells charge almost as high as lithium-ion and drain far lower. That wide window decides your series count, your wire size and your BMS settings. Here is the math...
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Guide to Choosing the Best Battery Management S...
Joseph O'ConnorBattery Management Systems (BMS) are essential components in any DIY energy storage system, offering critical features like cell monitoring, balancing, and protection against overcharge and over-discharge. With so many options...
Guide to Choosing the Best Battery Management S...
Joseph O'ConnorBattery Management Systems (BMS) are essential components in any DIY energy storage system, offering critical features like cell monitoring, balancing, and protection against overcharge and over-discharge. With so many options...













