Side terminal charging posts offer a practical way to access battery connections without removing cables. This guide highlights five reliable options that improve charging, jump-starting, and diagnostics for GM-style side terminals and related battery configurations. Each product below is assessed for conductivity, fit, and installation ease to help you choose the right post for your vehicle or equipment.
| Product | Brand | Key Benefit |
|---|---|---|
| 2pcs Side Battery Terminal Bolts | Unbranded | Easy replacement for worn terminals; compatible with many side-post setups |
| Schumacher BAF-1 Zinc-Coated Posts | Schumacher Electric Store | High conductivity; easy installation; RoHS compliant |
| Ampper 3/8″-16 Brass Posts | Ampper Store | Brass provides solid contact; GM side-post compatibility |
| Biaungdo Zinc Alloy Posts (2 Pairs) | — | Converts side terminals to top posts; compact tuning of fit |
| Tech Team #808 Solid Lead Posts | Tech Team Store | Solid lead for maximum conductivity; reliable GM compatibility |
2pcs Side Battery Terminal Bolts
Two side post battery bolts provide a straightforward replacement option for worn or dirty terminals and enable charging a battery not installed in a vehicle. They are designed for side-mount terminals and are compatible with many vehicles using 3/8-16 threads. The posts extend sufficiently to attach jumper cables, streamlining charging and maintenance without removing cables. This solution reduces hassle and helps ensure reliable connections in everyday use.
- 2 pieces for convenient replacement or upgrade
- 3/8-16 threaded side post mounts
- Suitable for batteries with side-mount terminals
- Extends connections to accommodate jumper cables
- Designed to replace worn or damaged terminals
Schumacher Electric Zinc-Coated Side Terminal Charging Posts
The Schumacher BAF-1 charging posts use heavy-duty zinc coating to achieve high conductivity. Installation is straightforward, with a kit that includes one positive and one negative terminal. The posts are RoHS compliant, aligning with environmental and safety standards. This option is suited for automotive, marine, and power sports batteries where reliable, repeatable charging is needed.
- Three times more conductive than typical posts due to zinc coating
- Includes one positive and one negative terminal
- Easy screw-in installation
- RoHS compliant for safer materials
Ampper 3/8″-16 Thread Brass Side Post Battery Terminal Posts
These male brass side post terminal posts are designed for GM 3/8″ battery posts, with SAE 3/8″-16 threading. They enable side-post extensions to connect with standard top-post leads. The posts extend to about 19 mm positively and 17 mm negatively, offering a reliable interface for charging and diagnostics. Brass construction provides robust conductivity and resistance to corrosion in typical battery environments.
- 1 pair (2 pieces) for a complete setup
- Brass material for strong conductivity
- GM 3/8″ post compatibility
- Extensions to standard top posts
Biaungdo Zinc Alloy Battery Side Terminal Charging Posts
These posts convert side terminals to standard top-post formats, featuring a hex nut ring for wrench tightening. The thread diameter is 8 mm, with a 10 mm thread length. Positive posts seal with a 17-19 mm diameter, while negative posts measure 15-17 mm. They’re designed for car batteries with side terminals and are not intended for power sport batteries. This kit helps you gain easy access to charging points without disassembling cables.
- Includes hex nut ring for secure tightening
- 8 mm thread diameter; 10 mm thread length
- Positive and negative post dimensions specified for fit
- Designed for automotive side-terminal batteries
Tech Team #808 Solid Lead Side Terminal Posts
Tech Team #808 posts are made from solid lead to maximize conductivity and reduce resistance during charging, jump-starting, and power testing. They are engineered for a universal GM-style side-terminal fit with clean 3/8-16 threads for straightforward installation. These posts support safer, quicker charging and diagnostics without removing battery cables, providing a dependable option for GM side-terminal configurations.
- Solid lead construction for low resistance
- 3/8-16 thread; universal GM fitment
- Includes posts suitable for charging, jump-starts, and diagnostics
- Designed to withstand vibration and maintain secure connections
Buying Guide: Side Terminal Charging Posts
Key considerations when selecting side terminal charging posts include compatibility, material and conductivity, installation ease, and durability. The following factors help compare options from different brands and designs.
- Compatibility: Check thread size (commonly 3/8-16) and whether the post fits your vehicle’s GM-style side terminals. Some products convert side terminals to top-post interfaces, which is useful for adding jumper points or diagnostic access.
- Material and Conductivity: Brass and lead offer high conductivity, while zinc-coated posts provide corrosion resistance and improved durability. Consider the operating environment (auto, marine, or power sports).
- Installation: Look for posts that screw in easily and stay secured under vibration. Kits with included positive and negative posts simplify setup.
- Durability and Compliance: RoHS compliance and materials designed for long-term performance reduce maintenance needs and ensure safety standards are met.
- Application Scope: Some options are best for top-post conversions, others maintain side-terminal access for charging and diagnostics without removal of existing cables.
- Maintenance: Consider ease of cleaning and resistance to corrosion, especially in harsh climates or humid environments.