4S 40A BMS 12.6V Lithium Battery Charger Protection Board - Enhanced
4S 40A BMS 12.6V Lithium Battery Charger Protection Board - Enhanced is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
Delivery Options
We offer several delivery choices to fit your needs:
- FREE Delivery: $0. Enjoy Free AusPost Parcel Standard Delivery on orders over $100 in value. Exclusions may apply.
- AusPost Untracked Letter: $3. Delivery in 3-8 business days (untracked). No refunds or replacements without proof of receiving the order.
- AusPost Parcel Standard: $9. Tracked delivery in 2-6 business days.
- AusPost Parcel Express: $13. Express tracked delivery in 1-3 business days.
- Pickup: $0. Email us to arrange a pickup from our location in Huntingdale 3166 in Melbourne at support@zaitronics.com.au. More details can be found in our contact page.
Additional Information
- Non-metro addresses in WA, NT, SA & TAS may require extra time.
- Certain batteries (like LiPo) cannot be shipped by air, affecting Express Post availability.
- We recommend selecting tracked options for valuable items. Untracked orders will not receive tracking numbers or refunds without proof of delivery.
- Note: Wherever possible, we will combine orders to save on shipping and reduce packaging waste.
- Note: Orders containing backordered item will delay delivery until all items are available
Warranty & Refund Policy
Warranty & Refund Policy
Warranty & Refund Policy
- Standard Warranty: 12 months for all products. Low-cost hobby parts have a 90-day warranty unless safe handling is shown.
- Exceptions: Kits and interfaceable electronics may not be covered if damaged due to misuse.
- Returns: Contact support via your order confirmation email within 14 days of purchase. Items must be unopened and in original packaging. Proof of purchase is required.
- Defective/Damaged Items: Notify us within 30 days for a free refund or replacement. Exclusions apply.
- Return Shipping Costs: Paid by the customer unless the item is defective. Shipping costs are non-refundable.
4S 40A BMS 12.6V Lithium Battery Charger Protection Board - Enhanced
The 4S 40A Enhanced BMS is a robust battery protection solution for 4-series lithium battery packs built from 3.7V nominal cells such as 18650, 26650, and lithium polymer batteries. Designed for high current applications, it offers strong protection features without cell balancing.
This version includes upgraded components that support short-duration peak loads (up to 80A) and is well-suited for systems that require reliable high-current delivery.
Key Features:
- Supports 4S lithium battery packs (14.8V nominal, 16.8V max)
- Continuous Discharge Current: Up to 40A
- Peak Start Current: Up to 80A (short-term)
- Power Handling: Up to ~180W output
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Protection Functions:
- Overcharge
- Over-discharge
- Overcurrent
- Short-circuit
- Auto Recovery After Faults
- No balancing function – intended for matched cells or external balance management
- Compact design for easy integration into various systems