Tecmate Optimate TM-391 Optimate Lithium 4S Tester Maintainer Bms Reset
Tecmate Optimate TM-391 Optimate Lithium 4S Tester Maintainer Bms Reset
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Tecmate/ Optimate TM-391 Lithium 4S Tester Maintainer Bms Reset
Optimate lithium 4s 6a 10step 12.8v sealed battery saving charger tester & maintainer w/ bms reset
Specifications
| Model | Optimate Lithium 4S Tester Maintainer Bms Reset |
| Product Type | Optimate Lithium 4S Tester Maintainer Bms Reset |
| Weight | 2.12 lb |
| Dimensions | 11.75 x 7 x 3.25 in |
| Brand | Tecmate / Optimate |
| Manufacturer Part Number | TM-391 |
| UPC | 5425006146661 |
Frequently Asked Questions
How much does this product weigh?
This item weighs approximately 2.12 lb.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

