![Amazon.com: Ltvystore 18650 Battery Case Holder, 8 Pcs 2 Slots x 3.7V DIY Battery Storage Box, in Parallel Black Plastic Batteries Case for 2 x 18650 : Electronics Amazon.com: Ltvystore 18650 Battery Case Holder, 8 Pcs 2 Slots x 3.7V DIY Battery Storage Box, in Parallel Black Plastic Batteries Case for 2 x 18650 : Electronics](https://m.media-amazon.com/images/I/71EIMvDm5-L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Ltvystore 18650 Battery Case Holder, 8 Pcs 2 Slots x 3.7V DIY Battery Storage Box, in Parallel Black Plastic Batteries Case for 2 x 18650 : Electronics
![DIY Battery Pack PVC Heat Shrink Wrap Tube Length 3M Width 250±5MM for Big Battery Pack Power: Amazon.com: Industrial & Scientific DIY Battery Pack PVC Heat Shrink Wrap Tube Length 3M Width 250±5MM for Big Battery Pack Power: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/51I+Wpr1-iL._AC_UF1000,1000_QL80_.jpg)
DIY Battery Pack PVC Heat Shrink Wrap Tube Length 3M Width 250±5MM for Big Battery Pack Power: Amazon.com: Industrial & Scientific
![The 2020 Lithium-Ion Battery Guide: The Easy DIY Guide To Building Your Own Battery Packs (Lithium Ion Battery Book): Turner, Anthony: 9781952545078: Amazon.com: Books The 2020 Lithium-Ion Battery Guide: The Easy DIY Guide To Building Your Own Battery Packs (Lithium Ion Battery Book): Turner, Anthony: 9781952545078: Amazon.com: Books](https://m.media-amazon.com/images/I/618PIFsFlzL._AC_UF1000,1000_QL80_.jpg)
The 2020 Lithium-Ion Battery Guide: The Easy DIY Guide To Building Your Own Battery Packs (Lithium Ion Battery Book): Turner, Anthony: 9781952545078: Amazon.com: Books
![Amazon.com: Heyiarbeit 20Pcs 3x6 Cell Spacer 18650 Lithium Battery Plastic Holder Bracket for DIY Battery Pack 18.5mm Hole Dia : Tools & Home Improvement Amazon.com: Heyiarbeit 20Pcs 3x6 Cell Spacer 18650 Lithium Battery Plastic Holder Bracket for DIY Battery Pack 18.5mm Hole Dia : Tools & Home Improvement](https://m.media-amazon.com/images/I/71cq7b5eaPL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Heyiarbeit 20Pcs 3x6 Cell Spacer 18650 Lithium Battery Plastic Holder Bracket for DIY Battery Pack 18.5mm Hole Dia : Tools & Home Improvement
![100mm(3.95in) Width PVC Heat Shrink Wrap Tube 18650 21700 26650 Lithium Battery DIY Battery Pack 3M(9.9ft) Length Blue: Amazon.com: Industrial & Scientific 100mm(3.95in) Width PVC Heat Shrink Wrap Tube 18650 21700 26650 Lithium Battery DIY Battery Pack 3M(9.9ft) Length Blue: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/51D6eWNGobL._AC_UF1000,1000_QL80_.jpg)
100mm(3.95in) Width PVC Heat Shrink Wrap Tube 18650 21700 26650 Lithium Battery DIY Battery Pack 3M(9.9ft) Length Blue: Amazon.com: Industrial & Scientific
![Amazon.com: Heyiarbeit 5Pcs 3x4 Cell Spacer 21700 Lithium Battery Plastic Holder Bracket for DIY Battery Pack 21.7mm Hole Dia : Tools & Home Improvement Amazon.com: Heyiarbeit 5Pcs 3x4 Cell Spacer 21700 Lithium Battery Plastic Holder Bracket for DIY Battery Pack 21.7mm Hole Dia : Tools & Home Improvement](https://m.media-amazon.com/images/I/61RefoflNWL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Heyiarbeit 5Pcs 3x4 Cell Spacer 21700 Lithium Battery Plastic Holder Bracket for DIY Battery Pack 21.7mm Hole Dia : Tools & Home Improvement
![Amazon.com: XBERSTAR Li-Ion Battery Storage Box 3x7 18650 Holder for Uninterrupted Power Supply UPS DIY Battery Special Plastic DIY kit (Black) : Electronics Amazon.com: XBERSTAR Li-Ion Battery Storage Box 3x7 18650 Holder for Uninterrupted Power Supply UPS DIY Battery Special Plastic DIY kit (Black) : Electronics](https://m.media-amazon.com/images/I/61G-vXDl3sL._AC_UF894,1000_QL80_.jpg)
Amazon.com: XBERSTAR Li-Ion Battery Storage Box 3x7 18650 Holder for Uninterrupted Power Supply UPS DIY Battery Special Plastic DIY kit (Black) : Electronics
![Amazon.com: Fielect 20Pcs 18650 Lithium Battery Holder Bracket 2x7 18650 Battery Cell Spacer Plastic Li-ion Battery Pack Bracket Safety Spacer Radiating Shell for DIY Battery Pack : Tools & Home Improvement Amazon.com: Fielect 20Pcs 18650 Lithium Battery Holder Bracket 2x7 18650 Battery Cell Spacer Plastic Li-ion Battery Pack Bracket Safety Spacer Radiating Shell for DIY Battery Pack : Tools & Home Improvement](https://m.media-amazon.com/images/I/71gbscpN3kS._AC_UF894,1000_QL80_.jpg)
Amazon.com: Fielect 20Pcs 18650 Lithium Battery Holder Bracket 2x7 18650 Battery Cell Spacer Plastic Li-ion Battery Pack Bracket Safety Spacer Radiating Shell for DIY Battery Pack : Tools & Home Improvement
![Amazon.com: Heyiarbeit 2Pcs 4x10 Cell Spacer 18650 Lithium Battery Plastic Holder Bracket for DIY Battery Pack 18.5mm Hole Dia : Tools & Home Improvement Amazon.com: Heyiarbeit 2Pcs 4x10 Cell Spacer 18650 Lithium Battery Plastic Holder Bracket for DIY Battery Pack 18.5mm Hole Dia : Tools & Home Improvement](https://m.media-amazon.com/images/I/710j4WevUoL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Heyiarbeit 2Pcs 4x10 Cell Spacer 18650 Lithium Battery Plastic Holder Bracket for DIY Battery Pack 18.5mm Hole Dia : Tools & Home Improvement
![Amazon.com: Fielect 10Pcs 3x4 Cell Spacer 18650 Lithium Battery Holder Bracket for DIY Battery Pack, 18.4mm Hole Dia : Tools & Home Improvement Amazon.com: Fielect 10Pcs 3x4 Cell Spacer 18650 Lithium Battery Holder Bracket for DIY Battery Pack, 18.4mm Hole Dia : Tools & Home Improvement](https://m.media-amazon.com/images/I/61CMqrwl--L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Fielect 10Pcs 3x4 Cell Spacer 18650 Lithium Battery Holder Bracket for DIY Battery Pack, 18.4mm Hole Dia : Tools & Home Improvement
![uxcell 50 Pcs 26650 Lithium Ion Cell Double Battery Holder Bracket for DIY Battery Pack - - Amazon.com uxcell 50 Pcs 26650 Lithium Ion Cell Double Battery Holder Bracket for DIY Battery Pack - - Amazon.com](https://m.media-amazon.com/images/I/61SXTxok8SL._AC_UF894,1000_QL80_.jpg)
uxcell 50 Pcs 26650 Lithium Ion Cell Double Battery Holder Bracket for DIY Battery Pack - - Amazon.com
![sourcing map 18650 Battery Holder Bracket 6 x 3 18.4mm Diameter for DIY Battery Pack 10 Pcs : Amazon.com.au: Electronics sourcing map 18650 Battery Holder Bracket 6 x 3 18.4mm Diameter for DIY Battery Pack 10 Pcs : Amazon.com.au: Electronics](https://m.media-amazon.com/images/I/41BmKIpftdL._AC_SY580_.jpg)
sourcing map 18650 Battery Holder Bracket 6 x 3 18.4mm Diameter for DIY Battery Pack 10 Pcs : Amazon.com.au: Electronics
![Amazon.com: Tenergy 2 Pack 12V 2000mAh Battery Packs RC Battery w/Bare Leads for RC Airplanes, RC Car, DIY and More : Toys & Games Amazon.com: Tenergy 2 Pack 12V 2000mAh Battery Packs RC Battery w/Bare Leads for RC Airplanes, RC Car, DIY and More : Toys & Games](https://m.media-amazon.com/images/I/616gnhljw0L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Tenergy 2 Pack 12V 2000mAh Battery Packs RC Battery w/Bare Leads for RC Airplanes, RC Car, DIY and More : Toys & Games
![Amazon.com: Fielect 5Pcs 3x8 Cell Spacer 18650 Lithium Battery Plastic Holder Bracket for DIY Battery Pack 18.5mm Hole Dia : Tools & Home Improvement Amazon.com: Fielect 5Pcs 3x8 Cell Spacer 18650 Lithium Battery Plastic Holder Bracket for DIY Battery Pack 18.5mm Hole Dia : Tools & Home Improvement](https://m.media-amazon.com/images/I/41vkHz2RNXL._AC_SY580_.jpg)
Amazon.com: Fielect 5Pcs 3x8 Cell Spacer 18650 Lithium Battery Plastic Holder Bracket for DIY Battery Pack 18.5mm Hole Dia : Tools & Home Improvement
![Amazon.com: XBERSTAR DIY Kits 18650 Battery Case Holder,18650 Battery Insulator Ring,3S 40A 12V Li-ion Lithium Battery Protection Board PCB BMS,Pure Nickel Strips for DIY Lithium Battery Pack (Green) : Electronics Amazon.com: XBERSTAR DIY Kits 18650 Battery Case Holder,18650 Battery Insulator Ring,3S 40A 12V Li-ion Lithium Battery Protection Board PCB BMS,Pure Nickel Strips for DIY Lithium Battery Pack (Green) : Electronics](https://m.media-amazon.com/images/I/51cPstEZiIL.jpg)
Amazon.com: XBERSTAR DIY Kits 18650 Battery Case Holder,18650 Battery Insulator Ring,3S 40A 12V Li-ion Lithium Battery Protection Board PCB BMS,Pure Nickel Strips for DIY Lithium Battery Pack (Green) : Electronics
![Amazon.com: wendeekun Battery Box Battery Case, DIY Power Bank, ABS 10 x 18650 Portable DIY Normal Battery Box No Welding Mobile Power Case Kit(White) : Electronics Amazon.com: wendeekun Battery Box Battery Case, DIY Power Bank, ABS 10 x 18650 Portable DIY Normal Battery Box No Welding Mobile Power Case Kit(White) : Electronics](https://m.media-amazon.com/images/I/41rgug1BXBL._AC_UF894,1000_QL80_.jpg)
Amazon.com: wendeekun Battery Box Battery Case, DIY Power Bank, ABS 10 x 18650 Portable DIY Normal Battery Box No Welding Mobile Power Case Kit(White) : Electronics
![Amazon.com: Power Wheel Adapter with Fuse & Switch, Secure Battery Adapter for Makita 18V Lithium Battery, with 12 Gauge Wire, Good Power Convertor for DIY Ride On Truck, Robotics, RC Toys and Amazon.com: Power Wheel Adapter with Fuse & Switch, Secure Battery Adapter for Makita 18V Lithium Battery, with 12 Gauge Wire, Good Power Convertor for DIY Ride On Truck, Robotics, RC Toys and](https://m.media-amazon.com/images/I/61u4viKRPOL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Power Wheel Adapter with Fuse & Switch, Secure Battery Adapter for Makita 18V Lithium Battery, with 12 Gauge Wire, Good Power Convertor for DIY Ride On Truck, Robotics, RC Toys and
![Tenergy 12V Battery Pack Bundle with Fast Charger Ideal for DIY Projects, Medical Equipments, LED Light Kit, RC Models, Portable 12V DC Devices and More Tenergy 12V Battery Pack Bundle with Fast Charger Ideal for DIY Projects, Medical Equipments, LED Light Kit, RC Models, Portable 12V DC Devices and More](https://m.media-amazon.com/images/I/71tfHC7B-GL._AC_UF1000,1000_QL80_.jpg)
Tenergy 12V Battery Pack Bundle with Fast Charger Ideal for DIY Projects, Medical Equipments, LED Light Kit, RC Models, Portable 12V DC Devices and More
![Fielect 20Pcs 2x4 Cell Spacer Battery Holder Brackets Plastic 18.5mm Hole Dia for 18650 Lithium Battery DIY Battery Pack : Amazon.ca: Tools & Home Improvement Fielect 20Pcs 2x4 Cell Spacer Battery Holder Brackets Plastic 18.5mm Hole Dia for 18650 Lithium Battery DIY Battery Pack : Amazon.ca: Tools & Home Improvement](https://m.media-amazon.com/images/I/71Jh6HtzukL._AC_SY355_.jpg)
Fielect 20Pcs 2x4 Cell Spacer Battery Holder Brackets Plastic 18.5mm Hole Dia for 18650 Lithium Battery DIY Battery Pack : Amazon.ca: Tools & Home Improvement
![2P Nickel Plating Strip 0.15x27mm (16.4ft/roll) Spacing 20.25mm used for 2 Parallel 18650 Batteries Spot Welding DIY 18650 Battery Pack - - Amazon.com 2P Nickel Plating Strip 0.15x27mm (16.4ft/roll) Spacing 20.25mm used for 2 Parallel 18650 Batteries Spot Welding DIY 18650 Battery Pack - - Amazon.com](https://m.media-amazon.com/images/I/61x5sAk-K7L._AC_UF894,1000_QL80_.jpg)
2P Nickel Plating Strip 0.15x27mm (16.4ft/roll) Spacing 20.25mm used for 2 Parallel 18650 Batteries Spot Welding DIY 18650 Battery Pack - - Amazon.com
![Amazon.com: RuiLing 5-Pack 18650 Battery Holder 3 Slots x 3.7V Battery Storage Case DIY Batteries Clip Box with Pin : Electronics Amazon.com: RuiLing 5-Pack 18650 Battery Holder 3 Slots x 3.7V Battery Storage Case DIY Batteries Clip Box with Pin : Electronics](https://m.media-amazon.com/images/I/71uGye2ExgL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: RuiLing 5-Pack 18650 Battery Holder 3 Slots x 3.7V Battery Storage Case DIY Batteries Clip Box with Pin : Electronics
![Amazon.com: Jex Electronics Three/3X AAA DIY Battery Holder Case Box 4.5V with Power & Switch Bare Wire Ends (BH3A3B) : Electronics Amazon.com: Jex Electronics Three/3X AAA DIY Battery Holder Case Box 4.5V with Power & Switch Bare Wire Ends (BH3A3B) : Electronics](https://m.media-amazon.com/images/I/41nW19lQNGL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Jex Electronics Three/3X AAA DIY Battery Holder Case Box 4.5V with Power & Switch Bare Wire Ends (BH3A3B) : Electronics
![Amazon.com: YXQ 18650 Battery Holder 1 Cell Spacer Single Bracket Storage Box Protection Board for DIY Battery Pack (36Pcs) : Electronics Amazon.com: YXQ 18650 Battery Holder 1 Cell Spacer Single Bracket Storage Box Protection Board for DIY Battery Pack (36Pcs) : Electronics](https://m.media-amazon.com/images/I/61bafPnxKtL._AC_UF894,1000_QL80_.jpg)
Amazon.com: YXQ 18650 Battery Holder 1 Cell Spacer Single Bracket Storage Box Protection Board for DIY Battery Pack (36Pcs) : Electronics
![Amazon.com: 18650 Battery Case Holder with Lead Wire Bundle, 4 Pcs DIY Battery Storage Boxes, 1 Slots, 2 Slots, 3 Slots, 4 Slots Black Plastic Batteries Case with Pin : Electronics Amazon.com: 18650 Battery Case Holder with Lead Wire Bundle, 4 Pcs DIY Battery Storage Boxes, 1 Slots, 2 Slots, 3 Slots, 4 Slots Black Plastic Batteries Case with Pin : Electronics](https://m.media-amazon.com/images/I/41vzlbIRWdS._AC_UF894,1000_QL80_.jpg)
Amazon.com: 18650 Battery Case Holder with Lead Wire Bundle, 4 Pcs DIY Battery Storage Boxes, 1 Slots, 2 Slots, 3 Slots, 4 Slots Black Plastic Batteries Case with Pin : Electronics
![DIY Lithium Batteries: How to Build Your Own Battery Packs: Toll, Micah: 9780989906708: Amazon.com: Books DIY Lithium Batteries: How to Build Your Own Battery Packs: Toll, Micah: 9780989906708: Amazon.com: Books](https://m.media-amazon.com/images/I/71dDogqaxDL._AC_UF1000,1000_QL80_.jpg)
DIY Lithium Batteries: How to Build Your Own Battery Packs: Toll, Micah: 9780989906708: Amazon.com: Books
![Amazon.com: Fielect 5Pcs 5x5 Cell Spacer 18650 Lithium Battery Plastic Holder Bracket for DIY Battery Pack 18.4mm Hole Dia : Tools & Home Improvement Amazon.com: Fielect 5Pcs 5x5 Cell Spacer 18650 Lithium Battery Plastic Holder Bracket for DIY Battery Pack 18.4mm Hole Dia : Tools & Home Improvement](https://m.media-amazon.com/images/I/41v-zHmCmrL._AC_SY580_.jpg)
Amazon.com: Fielect 5Pcs 5x5 Cell Spacer 18650 Lithium Battery Plastic Holder Bracket for DIY Battery Pack 18.4mm Hole Dia : Tools & Home Improvement
![Amazon.com: Fielect 2Pcs 6x15 Cell Spacer 18650 Lithium Battery Plastic Holder Bracket for DIY Battery Pack 18.5mm Hole Dia : Tools & Home Improvement Amazon.com: Fielect 2Pcs 6x15 Cell Spacer 18650 Lithium Battery Plastic Holder Bracket for DIY Battery Pack 18.5mm Hole Dia : Tools & Home Improvement](https://m.media-amazon.com/images/I/719yxt6EnfL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Fielect 2Pcs 6x15 Cell Spacer 18650 Lithium Battery Plastic Holder Bracket for DIY Battery Pack 18.5mm Hole Dia : Tools & Home Improvement
![Amazon.com: LHIABNN DIY Power Bank - Make Your Own External Battery Pack,2 Output 3 Input (Mirco,Type C,Lighting) - Battery Not Include (Blue) : Toys & Games Amazon.com: LHIABNN DIY Power Bank - Make Your Own External Battery Pack,2 Output 3 Input (Mirco,Type C,Lighting) - Battery Not Include (Blue) : Toys & Games](https://m.media-amazon.com/images/I/51StYEcPrJL._AC_UF894,1000_QL80_.jpg)
Amazon.com: LHIABNN DIY Power Bank - Make Your Own External Battery Pack,2 Output 3 Input (Mirco,Type C,Lighting) - Battery Not Include (Blue) : Toys & Games
![Amazon.com: Tenergy NiMH Battery Pack 12V 2000mAh High Capacity Rechargeable Battery w/Bare Leads Replacement Battery Pack for DIY, Medical Equipments, LED Light Kit, RC Models, Portable 12V DC Devices and More : Amazon.com: Tenergy NiMH Battery Pack 12V 2000mAh High Capacity Rechargeable Battery w/Bare Leads Replacement Battery Pack for DIY, Medical Equipments, LED Light Kit, RC Models, Portable 12V DC Devices and More :](https://m.media-amazon.com/images/I/61keU06D5vL._AC_UF894,1000_QL80_.jpg)