The 9V Companion That Charges 1,000+ Times

9V devices never lack applications — they lack a battery that truly understands them. We specialize in the electronic design and manufacture of rechargeable lithium batteries, built on protection PCBs, charging-management ICs and constant-voltage output circuitry. We've upgraded the humble 9V dry cell into a smart power source that plugs in, recharges and lasts for thousands of cycles. One circuit board frees your multimeters, smoke detectors and microphones from endless battery replacements.