Digital Device Battery Packs

Custom 18650, 21700 and lithium-polymer pouch packs for consumer electronics — power banks, speakers, lighting, personal-care devices and IoT products, with protection circuits and connectors matched to your design.

Typical Specifications

Item	Range / Option
Cell types	18650 / 21700 Li-ion, Li-polymer pouch
Configuration	1S single cell up to multi-cell series & parallel
Capacity	Built to your product requirement
Protection	PCM / BMS: over-charge, over-discharge, over-current, short circuit; NTC optional
Connection	JST, XT, wire harness, spring contacts — to your spec
Housing	Heat-shrink, plastic enclosure, private-label printing
Cell brands	EVE, Lishen, Samsung SDI (genuine Grade-A) — declared on the quote

* This table describes our capability range rather than fixed catalogue models. Capacity, dimensions and connectors are confirmed against your drawing or sample before quoting.

Custom digital device battery pack with protection circuit

Why Digital-Device Buyers Work With Us

Honest Cell Declaring

Brand and grade are written on every quote. If your product faces marketplace sampling or repeat orders, neither capacity nor cell grade can be vague.

Flexible MOQ

Sampling runs as needed; mass-production MOQ is agreed per model. Get your product built first, then scale.

In-House Protection Design

PCM selection and assembly are done in our own plant — current limits and temperature sensing can be tuned to your charging design.

Documents & Export

Cell supply-chain documents (UN38.3, MSDS, IEC 62133, CE, CB) on request, with export packing experience for small-format batteries.

Battery packs in production at the Chengbang factory

How to Start

Send us these — a photo or drawing of your current pack helps most: 1. application and device model; 2. voltage (S count) and capacity; 3. continuous / peak discharge current; 4. dimensions and connector; 5. target annual quantity.

We reply within 24 hours with a specification proposal and pricing tiers.

Send Your Requirement

Get a Quote for Digital Device Battery Packs

Tell us the device, voltage, capacity, dimensions and quantity — we reply within 24 hours on working days.