FAQs & Troubleshooting FAQ Search Results PJ-663 Not your product? Search by FAQ ID number Search Back to FAQs & Troubleshooting. 2 Results 1.faqp00001491_001 How to charge the rechargeable Li-ion battery 2.faqp00001491_000 How to charge the rechargeable Ni-MH battery FAQs & Troubleshooting