Polymer Li-Ion 3.7V 1000mAh Single Cell Battery 48x30x6mm
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Prices updated: 13 Oct 2026
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About this product
Single-cell polymer Li-ion battery rated 3.7 V and 1000 mAh, measuring 48 x 30 x 6 mm. Its flat format suits portable electronics, handheld devices and DIY projects with limited space. Charge it with a Li-ion/LiPo charger that stops at 4.2 V.
Specifications
- Chemistry
- Li-ion polymer
- Nominal voltage
- 3.7 V
- Capacity
- 1000 mAh
- Dimensions
- 48 x 30 x 6 mm
Frequently asked questions
What is the typical output voltage range?
A 3.7 V Li-ion cell ranges from about 4.2 V when fully charged down to about 3.0 V when nearly empty. Regulators or boards used with it must handle this full range.
Is it safe to leave it connected to a board with no protection?
It is not recommended. Without protection, over-discharge can permanently damage the cell and over-charge can be dangerous, so use a board with protection.
